/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-28.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 12:46:32,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 12:46:32,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 12:46:32,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 12:46:32,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 12:46:32,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 12:46:32,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 12:46:32,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 12:46:32,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 12:46:32,670 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 12:46:32,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 12:46:32,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 12:46:32,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 12:46:32,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 12:46:32,671 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 12:46:32,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 12:46:32,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 12:46:32,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 12:46:32,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 12:46:32,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 12:46:32,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 12:46:32,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 12:46:32,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 12:46:32,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 12:46:32,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:46:32,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 12:46:32,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 12:46:32,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 12:46:32,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 12:46:32,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 12:46:32,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 12:46:32,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 12:46:32,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 12:46:32,872 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 12:46:32,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2023-12-19 12:46:33,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 12:46:34,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 12:46:34,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-28.i [2023-12-19 12:46:34,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd75cb62/973080d5acf44a00ad263580bd48f753/FLAGf991da6aa [2023-12-19 12:46:34,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dd75cb62/973080d5acf44a00ad263580bd48f753 [2023-12-19 12:46:34,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 12:46:34,038 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 12:46:34,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 12:46:34,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 12:46:34,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 12:46:34,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f60f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34, skipping insertion in model container [2023-12-19 12:46:34,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 12:46:34,167 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_operatoramount_amount250_file-28.i[916,929] [2023-12-19 12:46:34,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:46:34,302 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 12:46:34,317 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_operatoramount_amount250_file-28.i[916,929] [2023-12-19 12:46:34,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 12:46:34,380 INFO L206 MainTranslator]: Completed translation [2023-12-19 12:46:34,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34 WrapperNode [2023-12-19 12:46:34,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 12:46:34,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 12:46:34,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 12:46:34,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 12:46:34,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,460 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2023-12-19 12:46:34,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 12:46:34,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 12:46:34,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 12:46:34,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 12:46:34,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,526 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 12:46:34,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 12:46:34,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 12:46:34,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 12:46:34,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 12:46:34,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (1/1) ... [2023-12-19 12:46:34,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 12:46:34,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:34,613 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) [2023-12-19 12:46:34,634 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 [2023-12-19 12:46:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 12:46:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 12:46:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 12:46:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 12:46:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 12:46:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 12:46:34,733 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 12:46:34,735 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 12:46:35,255 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 12:46:35,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 12:46:35,284 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 12:46:35,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:46:35 BoogieIcfgContainer [2023-12-19 12:46:35,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 12:46:35,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 12:46:35,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 12:46:35,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 12:46:35,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 12:46:34" (1/3) ... [2023-12-19 12:46:35,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdc80c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:46:35, skipping insertion in model container [2023-12-19 12:46:35,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:46:34" (2/3) ... [2023-12-19 12:46:35,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cdc80c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 12:46:35, skipping insertion in model container [2023-12-19 12:46:35,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 12:46:35" (3/3) ... [2023-12-19 12:46:35,291 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-28.i [2023-12-19 12:46:35,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 12:46:35,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 12:46:35,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 12:46:35,347 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;@38637037, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 12:46:35,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 12:46:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 114 states have (on average 1.5701754385964912) internal successors, (179), 115 states have internal predecessors, (179), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-19 12:46:35,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:35,374 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:35,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:35,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:35,379 INFO L85 PathProgramCache]: Analyzing trace with hash 27701164, now seen corresponding path program 1 times [2023-12-19 12:46:35,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:35,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431804943] [2023-12-19 12:46:35,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:35,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:35,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431804943] [2023-12-19 12:46:35,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 12:46:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810959152] [2023-12-19 12:46:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:35,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:35,566 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) [2023-12-19 12:46:35,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 12:46:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:35,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 12:46:35,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2023-12-19 12:46:35,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 12:46:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810959152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:46:35,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:46:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 12:46:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115895126] [2023-12-19 12:46:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:46:35,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 12:46:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:35,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 12:46:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 12:46:35,869 INFO L87 Difference]: Start difference. First operand has 160 states, 114 states have (on average 1.5701754385964912) internal successors, (179), 115 states have internal predecessors, (179), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-19 12:46:35,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:35,925 INFO L93 Difference]: Finished difference Result 317 states and 571 transitions. [2023-12-19 12:46:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 12:46:35,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 293 [2023-12-19 12:46:35,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:35,935 INFO L225 Difference]: With dead ends: 317 [2023-12-19 12:46:35,935 INFO L226 Difference]: Without dead ends: 158 [2023-12-19 12:46:35,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 12:46:35,944 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:35,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:46:35,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-19 12:46:35,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-12-19 12:46:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 113 states have internal predecessors, (174), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 260 transitions. [2023-12-19 12:46:36,004 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 260 transitions. Word has length 293 [2023-12-19 12:46:36,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:36,005 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 260 transitions. [2023-12-19 12:46:36,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-19 12:46:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2023-12-19 12:46:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-19 12:46:36,010 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:36,010 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:36,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:36,217 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 [2023-12-19 12:46:36,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:36,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1560696242, now seen corresponding path program 1 times [2023-12-19 12:46:36,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:36,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054205037] [2023-12-19 12:46:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:36,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:36,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:36,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [299080730] [2023-12-19 12:46:36,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:36,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:36,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:36,303 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) [2023-12-19 12:46:36,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 12:46:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:36,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 12:46:36,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1836 proven. 57 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2023-12-19 12:46:36,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:46:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 69 proven. 57 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-19 12:46:36,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:36,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054205037] [2023-12-19 12:46:36,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:36,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299080730] [2023-12-19 12:46:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299080730] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:46:36,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:46:36,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 12:46:36,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240943102] [2023-12-19 12:46:36,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:46:36,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 12:46:36,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:36,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 12:46:36,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 12:46:36,929 INFO L87 Difference]: Start difference. First operand 158 states and 260 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-19 12:46:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:37,145 INFO L93 Difference]: Finished difference Result 320 states and 522 transitions. [2023-12-19 12:46:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 12:46:37,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 293 [2023-12-19 12:46:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:37,148 INFO L225 Difference]: With dead ends: 320 [2023-12-19 12:46:37,148 INFO L226 Difference]: Without dead ends: 163 [2023-12-19 12:46:37,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 12:46:37,149 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 314 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:37,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 513 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 12:46:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-19 12:46:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2023-12-19 12:46:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 115 states have internal predecessors, (172), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 258 transitions. [2023-12-19 12:46:37,198 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 258 transitions. Word has length 293 [2023-12-19 12:46:37,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:37,212 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 258 transitions. [2023-12-19 12:46:37,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-19 12:46:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 258 transitions. [2023-12-19 12:46:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-19 12:46:37,215 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:37,215 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:37,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 12:46:37,415 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 [2023-12-19 12:46:37,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:37,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:37,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1162126330, now seen corresponding path program 1 times [2023-12-19 12:46:37,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:37,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726398916] [2023-12-19 12:46:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:37,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:37,478 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:37,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800044463] [2023-12-19 12:46:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:37,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:37,479 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) [2023-12-19 12:46:37,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 12:46:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:37,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 12:46:37,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-19 12:46:37,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 12:46:37,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726398916] [2023-12-19 12:46:37,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:37,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800044463] [2023-12-19 12:46:37,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800044463] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:46:37,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:46:37,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 12:46:37,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423153188] [2023-12-19 12:46:37,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:46:37,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 12:46:37,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:37,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 12:46:37,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 12:46:37,684 INFO L87 Difference]: Start difference. First operand 161 states and 258 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:37,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:37,894 INFO L93 Difference]: Finished difference Result 434 states and 691 transitions. [2023-12-19 12:46:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 12:46:37,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2023-12-19 12:46:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:37,897 INFO L225 Difference]: With dead ends: 434 [2023-12-19 12:46:37,897 INFO L226 Difference]: Without dead ends: 274 [2023-12-19 12:46:37,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 12:46:37,898 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 235 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:37,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 600 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 12:46:37,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-12-19 12:46:37,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 180. [2023-12-19 12:46:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5149253731343284) internal successors, (203), 134 states have internal predecessors, (203), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2023-12-19 12:46:37,929 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 294 [2023-12-19 12:46:37,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:37,930 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2023-12-19 12:46:37,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2023-12-19 12:46:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-19 12:46:37,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:37,933 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:37,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:38,139 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 [2023-12-19 12:46:38,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:38,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:38,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1717539330, now seen corresponding path program 1 times [2023-12-19 12:46:38,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:38,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736868006] [2023-12-19 12:46:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:38,198 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:38,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078851712] [2023-12-19 12:46:38,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:38,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:38,204 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) [2023-12-19 12:46:38,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 12:46:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:38,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 12:46:38,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-19 12:46:38,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 12:46:38,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:38,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736868006] [2023-12-19 12:46:38,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:38,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078851712] [2023-12-19 12:46:38,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078851712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:46:38,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:46:38,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 12:46:38,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003362375] [2023-12-19 12:46:38,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:46:38,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 12:46:38,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:38,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 12:46:38,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 12:46:38,406 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:38,610 INFO L93 Difference]: Finished difference Result 472 states and 753 transitions. [2023-12-19 12:46:38,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 12:46:38,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2023-12-19 12:46:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:38,613 INFO L225 Difference]: With dead ends: 472 [2023-12-19 12:46:38,613 INFO L226 Difference]: Without dead ends: 293 [2023-12-19 12:46:38,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 12:46:38,614 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 201 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:38,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 631 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 12:46:38,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-12-19 12:46:38,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 180. [2023-12-19 12:46:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5149253731343284) internal successors, (203), 134 states have internal predecessors, (203), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2023-12-19 12:46:38,652 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 294 [2023-12-19 12:46:38,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:38,653 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2023-12-19 12:46:38,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2023-12-19 12:46:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-19 12:46:38,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:38,655 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:38,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:38,861 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 [2023-12-19 12:46:38,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:38,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash 899890880, now seen corresponding path program 1 times [2023-12-19 12:46:38,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:38,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986885610] [2023-12-19 12:46:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:38,908 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:38,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350159154] [2023-12-19 12:46:38,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:38,910 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) [2023-12-19 12:46:38,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 12:46:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:39,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 12:46:39,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1342 proven. 96 refuted. 0 times theorem prover too weak. 2174 trivial. 0 not checked. [2023-12-19 12:46:39,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:46:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 30 proven. 96 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-19 12:46:39,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:39,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986885610] [2023-12-19 12:46:39,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:39,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350159154] [2023-12-19 12:46:39,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350159154] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:46:39,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:46:39,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 12:46:39,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211209516] [2023-12-19 12:46:39,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:46:39,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 12:46:39,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:39,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 12:46:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 12:46:39,478 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2023-12-19 12:46:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:39,708 INFO L93 Difference]: Finished difference Result 367 states and 584 transitions. [2023-12-19 12:46:39,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 12:46:39,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 294 [2023-12-19 12:46:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:39,710 INFO L225 Difference]: With dead ends: 367 [2023-12-19 12:46:39,710 INFO L226 Difference]: Without dead ends: 188 [2023-12-19 12:46:39,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 580 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 12:46:39,712 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 395 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:39,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 498 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 12:46:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-19 12:46:39,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 184. [2023-12-19 12:46:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 137 states have (on average 1.489051094890511) internal successors, (204), 137 states have internal predecessors, (204), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-19 12:46:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 290 transitions. [2023-12-19 12:46:39,740 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 290 transitions. Word has length 294 [2023-12-19 12:46:39,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:39,742 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 290 transitions. [2023-12-19 12:46:39,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2023-12-19 12:46:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 290 transitions. [2023-12-19 12:46:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-12-19 12:46:39,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:39,745 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:39,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:39,950 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 [2023-12-19 12:46:39,951 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:39,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:39,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1879797596, now seen corresponding path program 1 times [2023-12-19 12:46:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:39,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133444676] [2023-12-19 12:46:39,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:39,974 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:39,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9041293] [2023-12-19 12:46:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:39,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:39,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:39,975 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) [2023-12-19 12:46:40,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 12:46:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:40,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 12:46:40,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1293 proven. 117 refuted. 0 times theorem prover too weak. 2202 trivial. 0 not checked. [2023-12-19 12:46:40,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:46:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 117 proven. 9 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-19 12:46:40,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:40,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133444676] [2023-12-19 12:46:40,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:40,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9041293] [2023-12-19 12:46:40,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9041293] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:46:40,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:46:40,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-12-19 12:46:40,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694555935] [2023-12-19 12:46:40,820 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:46:40,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-19 12:46:40,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-19 12:46:40,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2023-12-19 12:46:40,821 INFO L87 Difference]: Start difference. First operand 184 states and 290 transitions. Second operand has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2023-12-19 12:46:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:41,670 INFO L93 Difference]: Finished difference Result 540 states and 828 transitions. [2023-12-19 12:46:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-19 12:46:41,671 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) Word has length 295 [2023-12-19 12:46:41,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:41,673 INFO L225 Difference]: With dead ends: 540 [2023-12-19 12:46:41,673 INFO L226 Difference]: Without dead ends: 357 [2023-12-19 12:46:41,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=373, Invalid=1109, Unknown=0, NotChecked=0, Total=1482 [2023-12-19 12:46:41,674 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 861 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:41,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1060 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 12:46:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-12-19 12:46:41,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 340. [2023-12-19 12:46:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 247 states have (on average 1.437246963562753) internal successors, (355), 248 states have internal predecessors, (355), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-19 12:46:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 519 transitions. [2023-12-19 12:46:41,698 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 519 transitions. Word has length 295 [2023-12-19 12:46:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:41,699 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 519 transitions. [2023-12-19 12:46:41,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 4 states have call successors, (80), 3 states have call predecessors, (80), 6 states have return successors, (81), 4 states have call predecessors, (81), 4 states have call successors, (81) [2023-12-19 12:46:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 519 transitions. [2023-12-19 12:46:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-19 12:46:41,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:41,703 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:41,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:41,912 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 [2023-12-19 12:46:41,912 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:41,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash -573805203, now seen corresponding path program 1 times [2023-12-19 12:46:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:41,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373811780] [2023-12-19 12:46:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:41,934 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:41,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063004253] [2023-12-19 12:46:41,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:41,935 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) [2023-12-19 12:46:41,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 12:46:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:42,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 12:46:42,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-19 12:46:42,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 12:46:42,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:42,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373811780] [2023-12-19 12:46:42,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:42,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063004253] [2023-12-19 12:46:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063004253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:46:42,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:46:42,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 12:46:42,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709993243] [2023-12-19 12:46:42,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:46:42,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 12:46:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:42,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 12:46:42,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 12:46:42,164 INFO L87 Difference]: Start difference. First operand 340 states and 519 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:42,299 INFO L93 Difference]: Finished difference Result 909 states and 1376 transitions. [2023-12-19 12:46:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 12:46:42,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 296 [2023-12-19 12:46:42,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:42,308 INFO L225 Difference]: With dead ends: 909 [2023-12-19 12:46:42,308 INFO L226 Difference]: Without dead ends: 557 [2023-12-19 12:46:42,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 12:46:42,310 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 360 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:42,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 612 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 12:46:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-12-19 12:46:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 422. [2023-12-19 12:46:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 316 states have (on average 1.4367088607594938) internal successors, (454), 318 states have internal predecessors, (454), 91 states have call successors, (91), 14 states have call predecessors, (91), 14 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91) [2023-12-19 12:46:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 636 transitions. [2023-12-19 12:46:42,343 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 636 transitions. Word has length 296 [2023-12-19 12:46:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:42,343 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 636 transitions. [2023-12-19 12:46:42,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 636 transitions. [2023-12-19 12:46:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-19 12:46:42,345 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:42,345 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:42,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:42,551 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 [2023-12-19 12:46:42,551 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:42,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1054885461, now seen corresponding path program 1 times [2023-12-19 12:46:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:42,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016295943] [2023-12-19 12:46:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:42,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:42,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469702604] [2023-12-19 12:46:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:42,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:42,575 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) [2023-12-19 12:46:42,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 12:46:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:42,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 12:46:42,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-19 12:46:42,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 12:46:42,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:42,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016295943] [2023-12-19 12:46:42,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:42,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469702604] [2023-12-19 12:46:42,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469702604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 12:46:42,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 12:46:42,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 12:46:42,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532287185] [2023-12-19 12:46:42,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 12:46:42,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 12:46:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:42,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 12:46:42,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 12:46:42,773 INFO L87 Difference]: Start difference. First operand 422 states and 636 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:42,823 INFO L93 Difference]: Finished difference Result 851 states and 1271 transitions. [2023-12-19 12:46:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 12:46:42,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 296 [2023-12-19 12:46:42,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:42,826 INFO L225 Difference]: With dead ends: 851 [2023-12-19 12:46:42,826 INFO L226 Difference]: Without dead ends: 448 [2023-12-19 12:46:42,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 12:46:42,827 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 223 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 488 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 [2023-12-19 12:46:42,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 488 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 12:46:42,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-12-19 12:46:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 403. [2023-12-19 12:46:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 278 states have (on average 1.3597122302158273) internal successors, (378), 280 states have internal predecessors, (378), 107 states have call successors, (107), 17 states have call predecessors, (107), 17 states have return successors, (107), 105 states have call predecessors, (107), 107 states have call successors, (107) [2023-12-19 12:46:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 592 transitions. [2023-12-19 12:46:42,854 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 592 transitions. Word has length 296 [2023-12-19 12:46:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:42,854 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 592 transitions. [2023-12-19 12:46:42,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-19 12:46:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2023-12-19 12:46:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-19 12:46:42,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:42,856 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:42,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-19 12:46:43,061 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 [2023-12-19 12:46:43,062 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:43,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1032253207, now seen corresponding path program 1 times [2023-12-19 12:46:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:43,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717584570] [2023-12-19 12:46:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:43,111 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:43,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511219966] [2023-12-19 12:46:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:43,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:43,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:43,114 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) [2023-12-19 12:46:43,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 12:46:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:43,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 12:46:43,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2516 proven. 228 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-12-19 12:46:44,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:46:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 132 proven. 237 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2023-12-19 12:46:45,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717584570] [2023-12-19 12:46:45,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511219966] [2023-12-19 12:46:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511219966] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:46:45,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:46:45,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 23 [2023-12-19 12:46:45,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634120667] [2023-12-19 12:46:45,021 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:46:45,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-19 12:46:45,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:45,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-19 12:46:45,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2023-12-19 12:46:45,023 INFO L87 Difference]: Start difference. First operand 403 states and 592 transitions. Second operand has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) [2023-12-19 12:46:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:46,360 INFO L93 Difference]: Finished difference Result 1302 states and 1894 transitions. [2023-12-19 12:46:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-19 12:46:46,365 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) Word has length 296 [2023-12-19 12:46:46,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:46,368 INFO L225 Difference]: With dead ends: 1302 [2023-12-19 12:46:46,368 INFO L226 Difference]: Without dead ends: 955 [2023-12-19 12:46:46,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=673, Invalid=1583, Unknown=0, NotChecked=0, Total=2256 [2023-12-19 12:46:46,371 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1144 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:46,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1396 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 12:46:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-12-19 12:46:46,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 557. [2023-12-19 12:46:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 435 states have (on average 1.4252873563218391) internal successors, (620), 437 states have internal predecessors, (620), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-19 12:46:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 818 transitions. [2023-12-19 12:46:46,428 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 818 transitions. Word has length 296 [2023-12-19 12:46:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:46,428 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 818 transitions. [2023-12-19 12:46:46,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.739130434782608) internal successors, (155), 23 states have internal predecessors, (155), 6 states have call successors, (80), 4 states have call predecessors, (80), 10 states have return successors, (81), 6 states have call predecessors, (81), 6 states have call successors, (81) [2023-12-19 12:46:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 818 transitions. [2023-12-19 12:46:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-19 12:46:46,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:46,430 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:46,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:46,636 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 [2023-12-19 12:46:46,636 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:46,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 896019495, now seen corresponding path program 1 times [2023-12-19 12:46:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:46,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997004730] [2023-12-19 12:46:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:46,659 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:46,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881265613] [2023-12-19 12:46:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:46,660 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) [2023-12-19 12:46:46,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 12:46:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:46,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 12:46:46,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 792 proven. 111 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2023-12-19 12:46:47,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:46:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 15 proven. 111 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-19 12:46:47,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:46:47,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997004730] [2023-12-19 12:46:47,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:46:47,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881265613] [2023-12-19 12:46:47,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881265613] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:46:47,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:46:47,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-12-19 12:46:47,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829150867] [2023-12-19 12:46:47,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:46:47,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 12:46:47,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:46:47,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 12:46:47,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-19 12:46:47,243 INFO L87 Difference]: Start difference. First operand 557 states and 818 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-12-19 12:46:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:46:47,885 INFO L93 Difference]: Finished difference Result 1479 states and 2144 transitions. [2023-12-19 12:46:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-19 12:46:47,885 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 296 [2023-12-19 12:46:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:46:47,889 INFO L225 Difference]: With dead ends: 1479 [2023-12-19 12:46:47,889 INFO L226 Difference]: Without dead ends: 965 [2023-12-19 12:46:47,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 583 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2023-12-19 12:46:47,890 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 426 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 12:46:47,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1016 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 12:46:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2023-12-19 12:46:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 684. [2023-12-19 12:46:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 562 states have (on average 1.4626334519572954) internal successors, (822), 564 states have internal predecessors, (822), 99 states have call successors, (99), 22 states have call predecessors, (99), 22 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-19 12:46:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1020 transitions. [2023-12-19 12:46:47,931 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1020 transitions. Word has length 296 [2023-12-19 12:46:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:46:47,931 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 1020 transitions. [2023-12-19 12:46:47,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 2 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2023-12-19 12:46:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1020 transitions. [2023-12-19 12:46:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-19 12:46:47,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:46:47,933 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:46:47,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 12:46:48,139 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 [2023-12-19 12:46:48,139 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:46:48,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:46:48,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1290386281, now seen corresponding path program 1 times [2023-12-19 12:46:48,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:46:48,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187631668] [2023-12-19 12:46:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:48,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:46:48,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:46:48,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035795520] [2023-12-19 12:46:48,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:46:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:46:48,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:46:48,193 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) [2023-12-19 12:46:48,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 12:46:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:46:48,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-19 12:46:48,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:46:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2684 proven. 300 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2023-12-19 12:46:49,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:47:04,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:47:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187631668] [2023-12-19 12:47:04,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:47:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035795520] [2023-12-19 12:47:04,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035795520] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 12:47:04,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 12:47:04,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2023-12-19 12:47:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418003180] [2023-12-19 12:47:04,747 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 12:47:04,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-19 12:47:04,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:47:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-19 12:47:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=863, Unknown=2, NotChecked=0, Total=1122 [2023-12-19 12:47:04,748 INFO L87 Difference]: Start difference. First operand 684 states and 1020 transitions. Second operand has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) [2023-12-19 12:47:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:47:05,982 INFO L93 Difference]: Finished difference Result 1334 states and 1916 transitions. [2023-12-19 12:47:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-19 12:47:05,985 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) Word has length 296 [2023-12-19 12:47:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:47:05,988 INFO L225 Difference]: With dead ends: 1334 [2023-12-19 12:47:05,988 INFO L226 Difference]: Without dead ends: 693 [2023-12-19 12:47:05,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=657, Invalid=1693, Unknown=2, NotChecked=0, Total=2352 [2023-12-19 12:47:05,990 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 400 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-19 12:47:05,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 817 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-19 12:47:05,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-12-19 12:47:06,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 474. [2023-12-19 12:47:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 343 states have (on average 1.3032069970845481) internal successors, (447), 345 states have internal predecessors, (447), 96 states have call successors, (96), 34 states have call predecessors, (96), 34 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-19 12:47:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 639 transitions. [2023-12-19 12:47:06,032 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 639 transitions. Word has length 296 [2023-12-19 12:47:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:47:06,032 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 639 transitions. [2023-12-19 12:47:06,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 24 states have internal predecessors, (120), 8 states have call successors, (43), 8 states have call predecessors, (43), 13 states have return successors, (43), 8 states have call predecessors, (43), 8 states have call successors, (43) [2023-12-19 12:47:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 639 transitions. [2023-12-19 12:47:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-19 12:47:06,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:47:06,034 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:47:06,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 12:47:06,240 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 [2023-12-19 12:47:06,240 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:47:06,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:47:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1405560249, now seen corresponding path program 1 times [2023-12-19 12:47:06,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:47:06,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656043324] [2023-12-19 12:47:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:47:06,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:47:06,268 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:47:06,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429873748] [2023-12-19 12:47:06,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:47:06,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:47:06,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:47:06,269 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) [2023-12-19 12:47:06,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 12:47:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:47:06,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-19 12:47:06,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:47:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2829 proven. 216 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2023-12-19 12:47:09,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:47:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 222 proven. 27 refuted. 0 times theorem prover too weak. 3363 trivial. 0 not checked. [2023-12-19 12:47:26,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 12:47:26,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656043324] [2023-12-19 12:47:26,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 12:47:26,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429873748] [2023-12-19 12:47:26,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429873748] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 12:47:26,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 12:47:26,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 17] total 49 [2023-12-19 12:47:26,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383131] [2023-12-19 12:47:26,807 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 12:47:26,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-19 12:47:26,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 12:47:26,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-19 12:47:26,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1970, Unknown=0, NotChecked=0, Total=2352 [2023-12-19 12:47:26,809 INFO L87 Difference]: Start difference. First operand 474 states and 639 transitions. Second operand has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) [2023-12-19 12:49:26,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-19 12:49:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 12:49:27,731 INFO L93 Difference]: Finished difference Result 24903 states and 34276 transitions. [2023-12-19 12:49:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 776 states. [2023-12-19 12:49:27,732 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) Word has length 297 [2023-12-19 12:49:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 12:49:27,800 INFO L225 Difference]: With dead ends: 24903 [2023-12-19 12:49:27,800 INFO L226 Difference]: Without dead ends: 24468 [2023-12-19 12:49:27,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 807 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329101 ImplicationChecksByTransitivity, 91.3s TimeCoverageRelationStatistics Valid=73200, Invalid=580472, Unknown=0, NotChecked=0, Total=653672 [2023-12-19 12:49:27,916 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 44195 mSDsluCounter, 6175 mSDsCounter, 0 mSdLazyCounter, 9197 mSolverCounterSat, 14015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44310 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 23212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14015 IncrementalHoareTripleChecker+Valid, 9197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-12-19 12:49:27,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44310 Valid, 6641 Invalid, 23212 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14015 Valid, 9197 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2023-12-19 12:49:27,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24468 states. [2023-12-19 12:49:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24468 to 5099. [2023-12-19 12:49:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5099 states, 4289 states have (on average 1.4313359757519235) internal successors, (6139), 4310 states have internal predecessors, (6139), 579 states have call successors, (579), 230 states have call predecessors, (579), 230 states have return successors, (579), 558 states have call predecessors, (579), 579 states have call successors, (579) [2023-12-19 12:49:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 7297 transitions. [2023-12-19 12:49:28,733 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 7297 transitions. Word has length 297 [2023-12-19 12:49:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 12:49:28,733 INFO L495 AbstractCegarLoop]: Abstraction has 5099 states and 7297 transitions. [2023-12-19 12:49:28,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 3.75) internal successors, (180), 46 states have internal predecessors, (180), 12 states have call successors, (86), 10 states have call predecessors, (86), 17 states have return successors, (86), 12 states have call predecessors, (86), 12 states have call successors, (86) [2023-12-19 12:49:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 7297 transitions. [2023-12-19 12:49:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-19 12:49:28,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 12:49:28,738 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 12:49:28,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 12:49:28,953 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 [2023-12-19 12:49:28,954 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 12:49:28,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 12:49:28,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1157413755, now seen corresponding path program 1 times [2023-12-19 12:49:28,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 12:49:28,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088627900] [2023-12-19 12:49:28,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:49:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 12:49:28,977 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 12:49:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226987660] [2023-12-19 12:49:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 12:49:28,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 12:49:28,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 12:49:28,978 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) [2023-12-19 12:49:28,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 12:49:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 12:49:29,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-19 12:49:29,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 12:49:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2481 proven. 414 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2023-12-19 12:49:33,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 12:52:43,859 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse129 (mod c_~var_1_7~0 65536)) (.cse127 (mod c_~var_1_15~0 256))) (let ((.cse12 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 2)))) (.cse128 (mod c_~last_1_var_1_18~0 65536)) (.cse126 (< .cse127 (+ .cse129 1))) (.cse130 (< .cse129 .cse127)) (.cse107 (mod c_~var_1_16~0 256))) (let ((.cse47 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse107))))) (.cse48 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse117 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128))))) (.cse11 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse45 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse46 (or .cse12 .cse130)) (.cse1 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2))))) (.cse3 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))) .cse126))) (let ((.cse109 (and .cse1 .cse3)) (.cse108 (+ .cse127 1)) (.cse27 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107)))) (.cse71 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse72 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127))))) (.cse106 (and .cse45 .cse46)) (.cse4 (< 1 .cse127)) (.cse51 (and .cse117 .cse11)) (.cse79 (< .cse127 c_~last_1_var_1_18~0)) (.cse63 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse66 (or (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse107))) .cse130)) (.cse30 (and .cse47 .cse48)) (.cse40 (< c_~last_1_var_1_18~0 (+ .cse107 1))) (.cse56 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse57 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2)))))) (let ((.cse60 (and .cse56 .cse57)) (.cse43 (or .cse30 .cse40)) (.cse53 (and .cse63 .cse66)) (.cse18 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse19 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107))))) (.cse87 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128))))) (.cse88 (or .cse51 .cse79)) (.cse89 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))) .cse126)) (.cse41 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 .cse107))))) (.cse42 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))) .cse126)) (.cse75 (or .cse106 .cse4)) (.cse99 (and .cse71 .cse72)) (.cse6 (< 1 .cse107)) (.cse34 (< .cse107 2)) (.cse37 (or .cse27 .cse130)) (.cse38 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))) .cse126)) (.cse68 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse77 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107))))) (.cse10 (< c_~last_1_var_1_18~0 .cse108)) (.cse114 (or .cse4 .cse109))) (let ((.cse103 (and .cse45 .cse71 .cse46 .cse72)) (.cse5 (and (or .cse10 .cse12) .cse114)) (.cse111 (and .cse68 .cse77)) (.cse131 (or .cse10 .cse106 .cse40)) (.cse62 (and .cse37 .cse38)) (.cse70 (or .cse34 .cse30)) (.cse82 (and (or .cse99 .cse6) .cse63 .cse66)) (.cse133 (and .cse56 .cse75 .cse57)) (.cse54 (< .cse127 2)) (.cse35 (and .cse41 .cse42)) (.cse16 (< .cse107 c_~last_1_var_1_18~0)) (.cse8 (and (or .cse51 .cse4) .cse87 .cse88 .cse89)) (.cse80 (and .cse18 .cse19)) (.cse95 (or .cse10 .cse53)) (.cse102 (or .cse99 .cse10)) (.cse115 (and .cse41 .cse42 .cse43)) (.cse85 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 .cse107))))) (.cse92 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107))))) (.cse84 (or .cse53 .cse40)) (.cse101 (or .cse10 .cse60)) (.cse104 (or .cse4 (and .cse45 .cse1 .cse46 .cse3))) (.cse14 (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2))))) (.cse15 (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)))))) (.cse28 (< 1 c_~last_1_var_1_18~0))) (let ((.cse44 (or .cse30 .cse28)) (.cse29 (< .cse127 .cse107)) (.cse94 (or .cse109 .cse28)) (.cse96 (or .cse109 .cse6)) (.cse17 (or (and .cse101 .cse88 .cse104 .cse14 .cse15) .cse6)) (.cse25 (or .cse34 (and .cse85 .cse92 .cse84))) (.cse21 (or .cse34 .cse115)) (.cse86 (or .cse6 (and .cse102 .cse87 .cse88 .cse89))) (.cse91 (or (and .cse88 .cse95) .cse40)) (.cse49 (< 32767 .cse128)) (.cse26 (or .cse4 .cse80)) (.cse22 (or .cse16 .cse8)) (.cse23 (or .cse79 .cse35)) (.cse97 (or .cse16 (and .cse87 .cse88 .cse89))) (.cse81 (or .cse51 .cse16)) (.cse64 (or .cse16 .cse30)) (.cse105 (or (and .cse102 .cse87 .cse89) .cse54)) (.cse90 (or .cse10 .cse53 .cse40)) (.cse76 (or .cse16 (and .cse45 .cse56 .cse46 .cse57))) (.cse33 (or .cse106 .cse28)) (.cse113 (or .cse10 .cse133)) (.cse9 (< c_~last_1_var_1_18~0 2)) (.cse58 (or .cse133 .cse6)) (.cse67 (or .cse82 .cse54)) (.cse73 (or .cse99 .cse54)) (.cse55 (or .cse34 (and .cse63 .cse47 .cse66 .cse48))) (.cse50 (and .cse70 .cse37 .cse38)) (.cse78 (< .cse128 32768)) (.cse122 (or .cse10 .cse27 .cse28)) (.cse20 (or .cse62 .cse40)) (.cse123 (or .cse10 .cse62 .cse40)) (.cse124 (or (and .cse1 .cse3 .cse131) .cse6)) (.cse125 (or .cse27 .cse28)) (.cse24 (or .cse111 .cse40)) (.cse0 (or .cse109 .cse79)) (.cse7 (or .cse5 .cse28)) (.cse121 (or .cse40 .cse60)) (.cse31 (or .cse106 .cse40)) (.cse13 (or .cse12 .cse28)) (.cse2 (or .cse10 .cse12 .cse28)) (.cse52 (or .cse62 .cse79)) (.cse39 (or .cse106 .cse6)) (.cse36 (or .cse16 .cse106)) (.cse61 (or .cse4 .cse62)) (.cse69 (or .cse4 .cse30)) (.cse65 (or .cse30 .cse79)) (.cse116 (or .cse16 .cse103)) (.cse74 (or .cse106 .cse79))) (and (or (and .cse0 (or (and .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6) .cse7 (or .cse8 .cse9) (or .cse10 (and .cse1 .cse11 (or .cse12 .cse6) .cse13)) .cse14 .cse15) .cse16) (or (and .cse17 (or (and .cse18 .cse19 .cse20 .cse21) .cse4) .cse22 .cse23 (or (and .cse24 .cse25) .cse10)) .cse9) (or (and .cse26 (or .cse10 .cse27)) .cse28) (or .cse29 (let ((.cse32 (or .cse51 .cse9))) (and (or .cse16 .cse30 .cse9) (or .cse6 (and .cse1 .cse31 .cse3)) .cse18 (or .cse16 (and .cse32 .cse1 .cse33 .cse3)) (or .cse34 .cse35) (or (and .cse1 .cse31 .cse33 .cse3 .cse36) .cse6) .cse19 (or (and .cse37 .cse38 .cse33 .cse39) .cse40) .cse20 (or .cse34 (and .cse41 .cse42 .cse43 .cse44)) (or (and (or .cse34 (and .cse45 .cse46 .cse47 .cse48)) .cse37 .cse38 .cse39 .cse36) .cse28) (or .cse49 (and (or .cse16 (and .cse32 .cse1 .cse3)) .cse21)) (or .cse50 .cse28)))) (or (and .cse52 (or (and (or .cse53 .cse54) .cse55 .cse37 .cse38) .cse28) (or .cse28 (and .cse55 .cse45 .cse56 .cse37 .cse38 .cse46 .cse57)) (or (let ((.cse59 (and .cse37 .cse38 .cse39))) (and .cse58 (or .cse59 .cse4) (or .cse59 .cse29) (or .cse6 .cse60))) .cse40) .cse61 (or (and (or .cse16 .cse62) .cse63 (or (and .cse64 .cse65) .cse34) .cse66) .cse54) (or (and .cse58 .cse67) .cse9) .cse68 (or .cse34 (and .cse69 .cse63 .cse65 (or .cse29 (and .cse36 .cse47 .cse48)) .cse44 .cse66 (or .cse29 .cse30 .cse40))) (or .cse29 (and .cse70 .cse37 .cse38 .cse39 .cse36)) (or (and (or (and .cse71 .cse72 .cse36) .cse54) .cse56 (or (and .cse45 .cse73 .cse46) .cse28) .cse74 .cse75 .cse57) .cse6) .cse76 .cse77) .cse78) (or .cse79 .cse80) (or (let ((.cse83 (or (and .cse87 .cse71 .cse72 .cse89) .cse6)) (.cse93 (or .cse99 .cse10 .cse40))) (and (or .cse80 .cse28) (or .cse10 (and .cse81 .cse64 (or .cse82 .cse40) .cse83 .cse84)) .cse85 (or (and .cse81 .cse64 .cse83 .cse84) .cse10) (or (and (or (and .cse81 .cse64 .cse84) .cse49 .cse10) (or .cse16 (and .cse63 (or .cse10 .cse30) .cse65 .cse66)) .cse23 .cse86 (or .cse16 (and (or .cse51 .cse10) .cse87 .cse88 .cse89)) .cse90 .cse91) .cse9) .cse92 (or (and .cse0 .cse93 .cse87 .cse89) .cse6) (or (and .cse0 .cse93 .cse87 .cse94 .cse89) .cse6) (or (and .cse0 .cse95) .cse40) (or .cse16 (and .cse0 .cse96 .cse87 .cse94 .cse89)) (or (and .cse97 (or .cse10 .cse34 .cse53 .cse40) .cse23 .cse86 .cse91) .cse9) (or (let ((.cse98 (and .cse87 .cse1 .cse3 .cse89))) (and .cse18 (or .cse16 .cse98) (or .cse34 (and .cse87 .cse1 .cse41 .cse42 .cse3 .cse89)) .cse19 (or .cse98 .cse6))) .cse28))) .cse54) (or (let ((.cse100 (or .cse10 .cse106))) (and .cse0 .cse7 (or .cse4 (and .cse1 .cse100 .cse3)) .cse101 (or (and .cse102 .cse87 .cse94 (or .cse51 .cse79 .cse9) .cse89) .cse54) (or .cse4 (and .cse1 .cse100 .cse2 .cse3)) (or (and (or .cse103 .cse54) .cse56 .cse74 .cse75 .cse57) .cse28) (or (and .cse56 .cse73 .cse33 .cse74 .cse75 .cse57) .cse78) .cse14 (or (and .cse88 .cse104 .cse105) .cse9) .cse15)) (< .cse107 .cse108)) (or .cse79 (and .cse96 .cse18 .cse19 (or .cse16 .cse109))) (or (let ((.cse110 (or .cse34 (and .cse85 (or .cse4 .cse115) .cse92 .cse90))) (.cse112 (or .cse16 (and .cse63 .cse65 .cse66)))) (and .cse17 (or .cse49 (and .cse26 .cse22 .cse110 .cse23)) (or (and (or .cse111 .cse10) .cse88 (or .cse4 (and .cse18 .cse37 .cse19 .cse38))) .cse40) (or .cse10 (and .cse81 .cse24 .cse25)) (or .cse4 (and .cse81 .cse18 .cse19 .cse20 .cse21)) (or (and .cse97 .cse85 .cse92 .cse23 .cse86 .cse112 .cse90 .cse91) .cse54) (or .cse49 (and .cse26 .cse22 .cse110 (or (and .cse101 .cse88 .cse104 .cse105 .cse14 .cse15) .cse6) .cse23 (or (and .cse97 .cse85 .cse92 .cse112 .cse90) .cse54) (or (and .cse81 .cse64 .cse41 .cse42) .cse79))) (or (and .cse81 .cse41 .cse42) .cse79) (or (and .cse81 (or .cse51 .cse6) .cse64 .cse41 .cse42) .cse79) (or (and .cse101 .cse88 .cse104 .cse105 .cse113 .cse114 .cse14 .cse15) .cse6) (or .cse16 (and .cse87 .cse89)))) .cse9) (or (let ((.cse118 (or .cse34 (and .cse69 .cse63 .cse66))) (.cse119 (or .cse34 .cse53)) (.cse120 (or .cse4 .cse50))) (and (or (and (or .cse106 .cse6 .cse40) .cse20 (or .cse62 .cse28)) .cse4) (or (and (or (and .cse45 .cse63 .cse37 .cse38 .cse71 .cse46 .cse72 .cse66) .cse28) (or .cse99 .cse6 .cse40) .cse116 (or (and (or .cse99 .cse40) (or .cse103 .cse28)) .cse6) (or .cse10 .cse82) (or (and .cse63 .cse37 .cse38 .cse66) .cse28) .cse84) .cse54) (or .cse111 .cse28) .cse52 .cse117 (or (and .cse118 .cse61 .cse119 .cse58 .cse68 .cse120 .cse77) .cse9) (or .cse10 (and .cse118 .cse61 .cse58 .cse68 .cse77)) .cse11 (or (and .cse45 .cse37 .cse38 .cse46) .cse79) .cse76 (or .cse6 (and .cse121 (or .cse4 (and .cse31 .cse33)) .cse74 .cse113 (or .cse28 .cse60))) .cse24 (or .cse6 .cse40 .cse60) (or .cse9 (and .cse118 .cse61 .cse119 .cse58 .cse68 .cse67 .cse120 .cse77 (or (and .cse56 .cse73 .cse75 .cse57) .cse6))) (or (and .cse55 .cse45 .cse56 .cse68 .cse37 .cse38 .cse46 .cse77 .cse57 (or .cse54 (and .cse63 .cse71 .cse72 .cse66))) .cse28))) .cse78) (or .cse4 (and .cse122 .cse18 .cse19 .cse123 .cse124)) (or .cse10 (and .cse125 (or .cse6 (and .cse121 .cse14 .cse15)) .cse24)) (or (and .cse122 .cse18 .cse19 (or .cse10 (and (or .cse6 (and .cse1 .cse31 .cse3 .cse13)) .cse125 .cse20)) .cse123 .cse124) .cse4) (or (and (or .cse6 (and .cse121 .cse14 .cse15 .cse13)) .cse125 .cse24) .cse10) (or .cse126 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse129)) (< v_~var_1_18~0_21 .cse107)))) (or .cse130 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse127)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse128) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse107)))) (or (and .cse0 .cse7 (or (and .cse1 .cse2 .cse3 .cse131) .cse4) (or .cse10 (and .cse121 .cse13)) (or .cse4 (and .cse1 (or (and .cse31 .cse13) .cse10) .cse2 .cse3 .cse131)) .cse14 .cse15) .cse6) (or (let ((.cse132 (and .cse56 .cse74 .cse75 .cse57))) (and (or .cse16 .cse132) .cse52 (or (and .cse37 .cse38 .cse39 .cse36) .cse79) .cse61 (or .cse132 .cse6) .cse68 (or (and (or .cse30 .cse54) .cse69 .cse63 .cse56 .cse65 .cse74 .cse75 .cse57 .cse66) .cse34) (or (and .cse63 .cse37 (or .cse103 .cse6) .cse38 .cse116 .cse66) .cse54) .cse77)) .cse28))))))))) is different from false [2023-12-19 12:53:37,449 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse128 (mod c_~var_1_7~0 65536)) (.cse126 (mod c_~var_1_15~0 256))) (let ((.cse12 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 2)))) (.cse127 (mod c_~last_1_var_1_18~0 65536)) (.cse125 (< .cse126 (+ .cse128 1))) (.cse129 (< .cse128 .cse126)) (.cse105 (mod c_~var_1_16~0 256))) (let ((.cse47 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse105))))) (.cse48 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse116 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127))))) (.cse11 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse45 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse46 (or .cse12 .cse129)) (.cse1 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2))))) (.cse3 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))) .cse125))) (let ((.cse107 (and .cse1 .cse3)) (.cse106 (+ .cse126 1)) (.cse27 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105)))) (.cse71 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse72 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126))))) (.cse104 (and .cse45 .cse46)) (.cse4 (< 1 .cse126)) (.cse51 (and .cse116 .cse11)) (.cse79 (< .cse126 c_~last_1_var_1_18~0)) (.cse63 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse66 (or (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse105))) .cse129)) (.cse30 (and .cse47 .cse48)) (.cse40 (< c_~last_1_var_1_18~0 (+ .cse105 1))) (.cse56 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse57 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2)))))) (let ((.cse60 (and .cse56 .cse57)) (.cse43 (or .cse30 .cse40)) (.cse53 (and .cse63 .cse66)) (.cse18 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse19 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105))))) (.cse87 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127))))) (.cse91 (or .cse51 .cse79)) (.cse89 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))) .cse125)) (.cse41 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse105))))) (.cse42 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))) .cse125)) (.cse75 (or .cse104 .cse4)) (.cse114 (and .cse71 .cse72)) (.cse6 (< 1 .cse105)) (.cse34 (< .cse105 2)) (.cse37 (or .cse27 .cse129)) (.cse38 (or (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))) .cse125)) (.cse68 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse77 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105))))) (.cse10 (< c_~last_1_var_1_18~0 .cse106)) (.cse112 (or .cse4 .cse107))) (let ((.cse101 (and .cse45 .cse71 .cse46 .cse72)) (.cse5 (and (or .cse10 .cse12) .cse112)) (.cse109 (and .cse68 .cse77)) (.cse130 (or .cse10 .cse104 .cse40)) (.cse62 (and .cse37 .cse38)) (.cse70 (or .cse34 .cse30)) (.cse82 (and (or .cse114 .cse6) .cse63 .cse66)) (.cse132 (and .cse56 .cse75 .cse57)) (.cse54 (< .cse126 2)) (.cse35 (and .cse41 .cse42)) (.cse16 (< .cse105 c_~last_1_var_1_18~0)) (.cse8 (and (or .cse51 .cse4) .cse87 .cse91 .cse89)) (.cse80 (and .cse18 .cse19)) (.cse95 (or .cse10 .cse53)) (.cse86 (or .cse114 .cse10)) (.cse113 (and .cse41 .cse42 .cse43)) (.cse85 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 .cse105))))) (.cse94 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105))))) (.cse84 (or .cse53 .cse40)) (.cse100 (or .cse10 .cse60)) (.cse102 (or .cse4 (and .cse45 .cse1 .cse46 .cse3))) (.cse14 (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2))))) (.cse15 (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)))))) (.cse28 (< 1 c_~last_1_var_1_18~0))) (let ((.cse44 (or .cse30 .cse28)) (.cse29 (< .cse126 .cse105)) (.cse88 (or .cse107 .cse28)) (.cse96 (or .cse107 .cse6)) (.cse17 (or (and .cse100 .cse91 .cse102 .cse14 .cse15) .cse6)) (.cse25 (or .cse34 (and .cse85 .cse94 .cse84))) (.cse21 (or .cse34 .cse113)) (.cse90 (or .cse6 (and .cse86 .cse87 .cse91 .cse89))) (.cse93 (or (and .cse91 .cse95) .cse40)) (.cse49 (< 32767 .cse127)) (.cse26 (or .cse4 .cse80)) (.cse22 (or .cse16 .cse8)) (.cse23 (or .cse79 .cse35)) (.cse97 (or .cse16 (and .cse87 .cse91 .cse89))) (.cse81 (or .cse51 .cse16)) (.cse64 (or .cse16 .cse30)) (.cse103 (or (and .cse86 .cse87 .cse89) .cse54)) (.cse92 (or .cse10 .cse53 .cse40)) (.cse76 (or .cse16 (and .cse45 .cse56 .cse46 .cse57))) (.cse33 (or .cse104 .cse28)) (.cse111 (or .cse10 .cse132)) (.cse9 (< c_~last_1_var_1_18~0 2)) (.cse58 (or .cse132 .cse6)) (.cse67 (or .cse82 .cse54)) (.cse73 (or .cse114 .cse54)) (.cse55 (or .cse34 (and .cse63 .cse47 .cse66 .cse48))) (.cse50 (and .cse70 .cse37 .cse38)) (.cse78 (< .cse127 32768)) (.cse121 (or .cse10 .cse27 .cse28)) (.cse20 (or .cse62 .cse40)) (.cse122 (or .cse10 .cse62 .cse40)) (.cse123 (or (and .cse1 .cse3 .cse130) .cse6)) (.cse124 (or .cse27 .cse28)) (.cse24 (or .cse109 .cse40)) (.cse0 (or .cse107 .cse79)) (.cse7 (or .cse5 .cse28)) (.cse120 (or .cse40 .cse60)) (.cse31 (or .cse104 .cse40)) (.cse13 (or .cse12 .cse28)) (.cse2 (or .cse10 .cse12 .cse28)) (.cse52 (or .cse62 .cse79)) (.cse39 (or .cse104 .cse6)) (.cse36 (or .cse16 .cse104)) (.cse61 (or .cse4 .cse62)) (.cse69 (or .cse4 .cse30)) (.cse65 (or .cse30 .cse79)) (.cse115 (or .cse16 .cse101)) (.cse74 (or .cse104 .cse79))) (and (or (and .cse0 (or (and .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6) .cse7 (or .cse8 .cse9) (or .cse10 (and .cse1 .cse11 (or .cse12 .cse6) .cse13)) .cse14 .cse15) .cse16) (or (and .cse17 (or (and .cse18 .cse19 .cse20 .cse21) .cse4) .cse22 .cse23 (or (and .cse24 .cse25) .cse10)) .cse9) (or (and .cse26 (or .cse10 .cse27)) .cse28) (or .cse29 (let ((.cse32 (or .cse51 .cse9))) (and (or .cse16 .cse30 .cse9) (or .cse6 (and .cse1 .cse31 .cse3)) .cse18 (or .cse16 (and .cse32 .cse1 .cse33 .cse3)) (or .cse34 .cse35) (or (and .cse1 .cse31 .cse33 .cse3 .cse36) .cse6) .cse19 (or (and .cse37 .cse38 .cse33 .cse39) .cse40) .cse20 (or .cse34 (and .cse41 .cse42 .cse43 .cse44)) (or (and (or .cse34 (and .cse45 .cse46 .cse47 .cse48)) .cse37 .cse38 .cse39 .cse36) .cse28) (or .cse49 (and (or .cse16 (and .cse32 .cse1 .cse3)) .cse21)) (or .cse50 .cse28)))) (or (and .cse52 (or (and (or .cse53 .cse54) .cse55 .cse37 .cse38) .cse28) (or .cse28 (and .cse55 .cse45 .cse56 .cse37 .cse38 .cse46 .cse57)) (or (let ((.cse59 (and .cse37 .cse38 .cse39))) (and .cse58 (or .cse59 .cse4) (or .cse59 .cse29) (or .cse6 .cse60))) .cse40) .cse61 (or (and (or .cse16 .cse62) .cse63 (or (and .cse64 .cse65) .cse34) .cse66) .cse54) (or (and .cse58 .cse67) .cse9) .cse68 (or .cse34 (and .cse69 .cse63 .cse65 (or .cse29 (and .cse36 .cse47 .cse48)) .cse44 .cse66 (or .cse29 .cse30 .cse40))) (or .cse29 (and .cse70 .cse37 .cse38 .cse39 .cse36)) (or (and (or (and .cse71 .cse72 .cse36) .cse54) .cse56 (or (and .cse45 .cse73 .cse46) .cse28) .cse74 .cse75 .cse57) .cse6) .cse76 .cse77) .cse78) (or .cse79 .cse80) (or (let ((.cse83 (or (and .cse87 .cse71 .cse72 .cse89) .cse6))) (and (or .cse80 .cse28) (or .cse10 (and .cse81 .cse64 (or .cse82 .cse40) .cse83 .cse84)) .cse85 (or (and .cse81 .cse64 .cse83 .cse84) .cse10) (or (and .cse0 .cse86 .cse87 .cse88 .cse89) .cse6) (or (and (or (and .cse81 .cse64 .cse84) .cse49 .cse10) (or .cse16 (and .cse63 (or .cse10 .cse30) .cse65 .cse66)) .cse23 .cse90 (or .cse16 (and (or .cse51 .cse10) .cse87 .cse91 .cse89)) .cse92 .cse93) .cse9) .cse94 (or (and .cse0 .cse86 .cse87 .cse89) .cse6) (or (and .cse0 .cse95) .cse40) (or .cse16 (and .cse0 .cse96 .cse87 .cse88 .cse89)) (or (and .cse97 (or .cse10 .cse34 .cse53 .cse40) .cse23 .cse90 .cse93) .cse9) (or (let ((.cse98 (and .cse87 .cse1 .cse3 .cse89))) (and .cse18 (or .cse16 .cse98) (or .cse34 (and .cse87 .cse1 .cse41 .cse42 .cse3 .cse89)) .cse19 (or .cse98 .cse6))) .cse28))) .cse54) (or (let ((.cse99 (or .cse10 .cse104))) (and .cse0 .cse7 (or .cse4 (and .cse1 .cse99 .cse3)) .cse100 (or (and .cse86 .cse87 .cse88 (or .cse51 .cse79 .cse9) .cse89) .cse54) (or .cse4 (and .cse1 .cse99 .cse2 .cse3)) (or (and (or .cse101 .cse54) .cse56 .cse74 .cse75 .cse57) .cse28) (or (and .cse56 .cse73 .cse33 .cse74 .cse75 .cse57) .cse78) .cse14 (or (and .cse91 .cse102 .cse103) .cse9) .cse15)) (< .cse105 .cse106)) (or .cse79 (and .cse96 .cse18 .cse19 (or .cse16 .cse107))) (or (let ((.cse108 (or .cse34 (and .cse85 (or .cse4 .cse113) .cse94 .cse92))) (.cse110 (or .cse16 (and .cse63 .cse65 .cse66)))) (and .cse17 (or .cse49 (and .cse26 .cse22 .cse108 .cse23)) (or (and (or .cse109 .cse10) .cse91 (or .cse4 (and .cse18 .cse37 .cse19 .cse38))) .cse40) (or .cse10 (and .cse81 .cse24 .cse25)) (or .cse4 (and .cse81 .cse18 .cse19 .cse20 .cse21)) (or (and .cse97 .cse85 .cse94 .cse23 .cse90 .cse110 .cse92 .cse93) .cse54) (or .cse49 (and .cse26 .cse22 .cse108 (or (and .cse100 .cse91 .cse102 .cse103 .cse14 .cse15) .cse6) .cse23 (or (and .cse97 .cse85 .cse94 .cse110 .cse92) .cse54) (or (and .cse81 .cse64 .cse41 .cse42) .cse79))) (or (and .cse81 .cse41 .cse42) .cse79) (or (and .cse81 (or .cse51 .cse6) .cse64 .cse41 .cse42) .cse79) (or (and .cse100 .cse91 .cse102 .cse103 .cse111 .cse112 .cse14 .cse15) .cse6) (or .cse16 (and .cse87 .cse89)))) .cse9) (or (let ((.cse117 (or .cse34 (and .cse69 .cse63 .cse66))) (.cse118 (or .cse34 .cse53)) (.cse119 (or .cse4 .cse50))) (and (or (and (or .cse104 .cse6 .cse40) .cse20 (or .cse62 .cse28)) .cse4) (or (and (or (and .cse45 .cse63 .cse37 .cse38 .cse71 .cse46 .cse72 .cse66) .cse28) (or .cse114 .cse6 .cse40) .cse115 (or (and (or .cse114 .cse40) (or .cse101 .cse28)) .cse6) (or .cse10 .cse82) (or (and .cse63 .cse37 .cse38 .cse66) .cse28) .cse84) .cse54) (or .cse109 .cse28) .cse52 .cse116 (or (and .cse117 .cse61 .cse118 .cse58 .cse68 .cse119 .cse77) .cse9) (or .cse10 (and .cse117 .cse61 .cse58 .cse68 .cse77)) .cse11 (or (and .cse45 .cse37 .cse38 .cse46) .cse79) .cse76 (or .cse6 (and .cse120 (or .cse4 (and .cse31 .cse33)) .cse74 .cse111 (or .cse28 .cse60))) .cse24 (or .cse6 .cse40 .cse60) (or .cse9 (and .cse117 .cse61 .cse118 .cse58 .cse68 .cse67 .cse119 .cse77 (or (and .cse56 .cse73 .cse75 .cse57) .cse6))) (or (and .cse55 .cse45 .cse56 .cse68 .cse37 .cse38 .cse46 .cse77 .cse57 (or .cse54 (and .cse63 .cse71 .cse72 .cse66))) .cse28))) .cse78) (or .cse4 (and .cse121 .cse18 .cse19 .cse122 .cse123)) (or .cse10 (and .cse124 (or .cse6 (and .cse120 .cse14 .cse15)) .cse24)) (or (and .cse121 .cse18 .cse19 (or .cse10 (and (or .cse6 (and .cse1 .cse31 .cse3 .cse13)) .cse124 .cse20)) .cse122 .cse123) .cse4) (or (and (or .cse6 (and .cse120 .cse14 .cse15 .cse13)) .cse124 .cse24) .cse10) (or .cse125 (forall ((v_~var_1_18~0_21 Int)) (or (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse128)) (< v_~var_1_18~0_21 .cse105)))) (or .cse129 (forall ((v_~var_1_18~0_21 Int)) (or (< c_~var_1_48~0 (mod v_~var_1_18~0_21 .cse126)) (< v_~var_1_18~0_21 .cse126) (< v_~var_1_18~0_21 .cse127) (< v_~var_1_18~0_21 2) (< v_~var_1_18~0_21 .cse105)))) (or (and .cse0 .cse7 (or (and .cse1 .cse2 .cse3 .cse130) .cse4) (or .cse10 (and .cse120 .cse13)) (or .cse4 (and .cse1 (or (and .cse31 .cse13) .cse10) .cse2 .cse3 .cse130)) .cse14 .cse15) .cse6) (or (let ((.cse131 (and .cse56 .cse74 .cse75 .cse57))) (and (or .cse16 .cse131) .cse52 (or (and .cse37 .cse38 .cse39 .cse36) .cse79) .cse61 (or .cse131 .cse6) .cse68 (or (and (or .cse30 .cse54) .cse69 .cse63 .cse56 .cse65 .cse74 .cse75 .cse57 .cse66) .cse34) (or (and .cse63 .cse37 (or .cse101 .cse6) .cse38 .cse115 .cse66) .cse54) .cse77)) .cse28))))))))) is different from false Received shutdown request... [2023-12-19 13:00:55,113 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 13:00:55,115 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 13:00:55,176 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 13:00:55,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-19 13:00:55,377 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 [2023-12-19 13:00:55,378 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 298 with TraceHistMax 43,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. [2023-12-19 13:00:55,382 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 13:00:55,385 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 13:00:55,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 01:00:55 BoogieIcfgContainer [2023-12-19 13:00:55,388 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 13:00:55,388 INFO L158 Benchmark]: Toolchain (without parser) took 861350.64ms. Allocated memory was 255.9MB in the beginning and 834.7MB in the end (delta: 578.8MB). Free memory was 191.6MB in the beginning and 540.9MB in the end (delta: -349.2MB). Peak memory consumption was 644.8MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,390 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 207.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 13:00:55,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.99ms. Allocated memory was 255.9MB in the beginning and 340.8MB in the end (delta: 84.9MB). Free memory was 191.4MB in the beginning and 297.2MB in the end (delta: -105.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.74ms. Allocated memory is still 340.8MB. Free memory was 296.7MB in the beginning and 282.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,395 INFO L158 Benchmark]: Boogie Preprocessor took 123.56ms. Allocated memory is still 340.8MB. Free memory was 282.6MB in the beginning and 251.6MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,396 INFO L158 Benchmark]: RCFGBuilder took 699.35ms. Allocated memory is still 340.8MB. Free memory was 251.6MB in the beginning and 244.3MB in the end (delta: 7.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,400 INFO L158 Benchmark]: TraceAbstraction took 860101.47ms. Allocated memory was 340.8MB in the beginning and 834.7MB in the end (delta: 493.9MB). Free memory was 243.7MB in the beginning and 540.9MB in the end (delta: -297.1MB). Peak memory consumption was 610.7MB. Max. memory is 8.0GB. [2023-12-19 13:00:55,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 207.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.99ms. Allocated memory was 255.9MB in the beginning and 340.8MB in the end (delta: 84.9MB). Free memory was 191.4MB in the beginning and 297.2MB in the end (delta: -105.8MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.74ms. Allocated memory is still 340.8MB. Free memory was 296.7MB in the beginning and 282.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 123.56ms. Allocated memory is still 340.8MB. Free memory was 282.6MB in the beginning and 251.6MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * RCFGBuilder took 699.35ms. Allocated memory is still 340.8MB. Free memory was 251.6MB in the beginning and 244.3MB in the end (delta: 7.4MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 860101.47ms. Allocated memory was 340.8MB in the beginning and 834.7MB in the end (delta: 493.9MB). Free memory was 243.7MB in the beginning and 540.9MB in the end (delta: -297.1MB). Peak memory consumption was 610.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 298 with TraceHistMax 43,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 160 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 860.1s, OverallIterations: 13, TraceHistogramMax: 43, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 126.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48936 SdHoareTripleChecker+Valid, 29.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48754 mSDsluCounter, 14529 SdHoareTripleChecker+Invalid, 26.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11349 mSDsCounter, 14764 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14020 IncrementalHoareTripleChecker+Invalid, 28784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14764 mSolverCounterUnsat, 3180 mSDtfsCounter, 14020 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6340 GetRequests, 5353 SyntacticMatches, 3 SemanticMatches, 984 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330484 ImplicationChecksByTransitivity, 105.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5099occurred in iteration=12, InterpolantAutomatonStates: 930, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 20677 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 40.4s InterpolantComputationTime, 3833 NumberOfCodeBlocks, 3833 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 5293 ConstructedInterpolants, 0 QuantifiedInterpolants, 25686 SizeOfPredicates, 74 NumberOfNonLiveVariables, 8655 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 63354/65016 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown