/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:21:46,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:21:46,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:21:46,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:21:46,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:21:46,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:21:46,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:21:46,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:21:46,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:21:46,940 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:21:46,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:21:46,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:21:46,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:21:46,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:21:46,942 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:21:46,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:21:46,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:21:46,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:21:46,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:21:46,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:21:46,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:21:46,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:21:46,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:21:46,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:21:46,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:21:46,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:21:46,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:21:46,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:21:46,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:21:46,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:21:46,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:21:46,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:21:46,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:21:46,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:21:46,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:21:46,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:21:46,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:21:46,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:21:46,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:21:46,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:21:46,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:21:46,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:21:46,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:21:46,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:21:47,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:21:47,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:21:47,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:21:47,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:21:47,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:21:47,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.i [2023-12-20 23:21:48,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:21:48,368 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:21:48,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.i [2023-12-20 23:21:48,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf188b4b/23b81ec7786a4c1d98ff8e19526eb295/FLAG20c230164 [2023-12-20 23:21:48,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf188b4b/23b81ec7786a4c1d98ff8e19526eb295 [2023-12-20 23:21:48,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:21:48,396 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:21:48,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:21:48,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:21:48,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:21:48,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691a0adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48, skipping insertion in model container [2023-12-20 23:21:48,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:21:48,549 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_loopvsstraightlinecode_50-while_file-81.i[915,928] [2023-12-20 23:21:48,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:21:48,608 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:21:48,616 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_loopvsstraightlinecode_50-while_file-81.i[915,928] [2023-12-20 23:21:48,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:21:48,644 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:21:48,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48 WrapperNode [2023-12-20 23:21:48,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:21:48,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:21:48,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:21:48,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:21:48,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,692 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-12-20 23:21:48,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:21:48,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:21:48,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:21:48,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:21:48,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,718 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]. [2023-12-20 23:21:48,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:21:48,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:21:48,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:21:48,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:21:48,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (1/1) ... [2023-12-20 23:21:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:21:48,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:21:48,766 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) [2023-12-20 23:21:48,784 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 [2023-12-20 23:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:21:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:21:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:21:48,857 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:21:48,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:21:49,161 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:21:49,180 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:21:49,181 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:21:49,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:21:49 BoogieIcfgContainer [2023-12-20 23:21:49,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:21:49,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:21:49,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:21:49,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:21:49,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:21:48" (1/3) ... [2023-12-20 23:21:49,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c10ebc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:21:49, skipping insertion in model container [2023-12-20 23:21:49,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:21:48" (2/3) ... [2023-12-20 23:21:49,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c10ebc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:21:49, skipping insertion in model container [2023-12-20 23:21:49,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:21:49" (3/3) ... [2023-12-20 23:21:49,187 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-81.i [2023-12-20 23:21:49,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:21:49,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:21:49,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:21:49,232 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;@690e8a3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:21:49,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:21:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:21:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:21:49,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:21:49,249 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:21:49,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:21:49,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:21:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash -157042646, now seen corresponding path program 1 times [2023-12-20 23:21:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:21:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867329887] [2023-12-20 23:21:49,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:21:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:21:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:21:49,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:21:49,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867329887] [2023-12-20 23:21:49,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:21:49,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279137918] [2023-12-20 23:21:49,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:21:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:21:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:21:49,465 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) [2023-12-20 23:21:49,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:21:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:21:49,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:21:49,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:21:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-12-20 23:21:49,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:21:49,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279137918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:21:49,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:21:49,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:21:49,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465070165] [2023-12-20 23:21:49,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:21:49,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:21:49,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:21:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:21:49,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:21:49,635 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:21:49,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:21:49,658 INFO L93 Difference]: Finished difference Result 125 states and 226 transitions. [2023-12-20 23:21:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:21:49,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2023-12-20 23:21:49,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:21:49,664 INFO L225 Difference]: With dead ends: 125 [2023-12-20 23:21:49,664 INFO L226 Difference]: Without dead ends: 62 [2023-12-20 23:21:49,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:21:49,668 INFO L413 NwaCegarLoop]: 93 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, 93 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 [2023-12-20 23:21:49,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:21:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-20 23:21:49,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-20 23:21:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:21:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 96 transitions. [2023-12-20 23:21:49,706 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 96 transitions. Word has length 158 [2023-12-20 23:21:49,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:21:49,706 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 96 transitions. [2023-12-20 23:21:49,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:21:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-12-20 23:21:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:21:49,713 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:21:49,713 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:21:49,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 23:21:49,919 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 [2023-12-20 23:21:49,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:21:49,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:21:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash 630364522, now seen corresponding path program 1 times [2023-12-20 23:21:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:21:49,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953015323] [2023-12-20 23:21:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:21:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:21:49,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:21:49,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547866733] [2023-12-20 23:21:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:21:49,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:21:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:21:49,983 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) [2023-12-20 23:21:49,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:21:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:21:50,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-20 23:21:50,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:22:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:22:48,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:22:48,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:22:48,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953015323] [2023-12-20 23:22:48,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:22:48,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547866733] [2023-12-20 23:22:48,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547866733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:22:48,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:22:48,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 23:22:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988325517] [2023-12-20 23:22:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:22:48,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 23:22:48,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:22:48,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 23:22:48,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 23:22:48,194 INFO L87 Difference]: Start difference. First operand 62 states and 96 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:22:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:22:48,741 INFO L93 Difference]: Finished difference Result 183 states and 266 transitions. [2023-12-20 23:22:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 23:22:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:22:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:22:48,744 INFO L225 Difference]: With dead ends: 183 [2023-12-20 23:22:48,744 INFO L226 Difference]: Without dead ends: 122 [2023-12-20 23:22:48,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-20 23:22:48,746 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 83 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:22:48,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 464 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:22:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-12-20 23:22:48,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 84. [2023-12-20 23:22:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 52 states have internal predecessors, (65), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:22:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 125 transitions. [2023-12-20 23:22:48,783 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 125 transitions. Word has length 158 [2023-12-20 23:22:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:22:48,784 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 125 transitions. [2023-12-20 23:22:48,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:22:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2023-12-20 23:22:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:22:48,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:22:48,785 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:22:48,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-20 23:22:48,991 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 [2023-12-20 23:22:48,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:22:48,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:22:48,992 INFO L85 PathProgramCache]: Analyzing trace with hash 630424104, now seen corresponding path program 1 times [2023-12-20 23:22:48,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:22:48,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117861397] [2023-12-20 23:22:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:22:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:22:49,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:22:49,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160183747] [2023-12-20 23:22:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:22:49,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:22:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:22:49,020 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) [2023-12-20 23:22:49,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:22:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:22:49,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-20 23:22:49,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:22:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-20 23:22:49,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:22:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-20 23:22:49,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:22:49,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117861397] [2023-12-20 23:22:49,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:22:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160183747] [2023-12-20 23:22:49,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160183747] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:22:49,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:22:49,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-12-20 23:22:49,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050879990] [2023-12-20 23:22:49,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:22:49,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 23:22:49,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:22:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 23:22:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-20 23:22:49,833 INFO L87 Difference]: Start difference. First operand 84 states and 125 transitions. Second operand has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:22:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:22:50,900 INFO L93 Difference]: Finished difference Result 345 states and 499 transitions. [2023-12-20 23:22:50,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-20 23:22:50,900 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) Word has length 158 [2023-12-20 23:22:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:22:50,904 INFO L225 Difference]: With dead ends: 345 [2023-12-20 23:22:50,905 INFO L226 Difference]: Without dead ends: 262 [2023-12-20 23:22:50,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=345, Invalid=915, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 23:22:50,907 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 461 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 23:22:50,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 421 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 23:22:50,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-12-20 23:22:50,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 92. [2023-12-20 23:22:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 58 states have internal predecessors, (70), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:22:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2023-12-20 23:22:50,930 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 158 [2023-12-20 23:22:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:22:50,930 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2023-12-20 23:22:50,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:22:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2023-12-20 23:22:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:22:50,932 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:22:50,932 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:22:50,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 23:22:51,138 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 [2023-12-20 23:22:51,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:22:51,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:22:51,139 INFO L85 PathProgramCache]: Analyzing trace with hash 888589542, now seen corresponding path program 1 times [2023-12-20 23:22:51,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:22:51,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271912947] [2023-12-20 23:22:51,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:22:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:22:51,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:22:51,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522694086] [2023-12-20 23:22:51,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:22:51,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:22:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:22:51,163 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) [2023-12-20 23:22:51,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 23:22:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:22:51,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-20 23:22:51,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:22:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 52 proven. 144 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-20 23:22:57,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:23:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:23:01,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:23:01,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271912947] [2023-12-20 23:23:01,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:23:01,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522694086] [2023-12-20 23:23:01,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522694086] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 23:23:01,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 23:23:01,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 21 [2023-12-20 23:23:01,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044980593] [2023-12-20 23:23:01,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:23:01,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 23:23:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:23:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 23:23:01,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-12-20 23:23:01,729 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:23:02,457 INFO L93 Difference]: Finished difference Result 272 states and 376 transitions. [2023-12-20 23:23:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:23:02,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:23:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:23:02,460 INFO L225 Difference]: With dead ends: 272 [2023-12-20 23:23:02,460 INFO L226 Difference]: Without dead ends: 181 [2023-12-20 23:23:02,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2023-12-20 23:23:02,461 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 141 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 23:23:02,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 432 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 23:23:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-20 23:23:02,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 104. [2023-12-20 23:23:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 70 states have internal predecessors, (86), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:23:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions. [2023-12-20 23:23:02,480 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 158 [2023-12-20 23:23:02,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:23:02,480 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions. [2023-12-20 23:23:02,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2023-12-20 23:23:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:23:02,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:23:02,482 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:23:02,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-20 23:23:02,687 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 [2023-12-20 23:23:02,688 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:23:02,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:23:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash 79183334, now seen corresponding path program 1 times [2023-12-20 23:23:02,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:23:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017328126] [2023-12-20 23:23:02,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:02,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:23:02,716 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:23:02,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969345310] [2023-12-20 23:23:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:02,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:23:02,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:23:02,720 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) [2023-12-20 23:23:02,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 23:23:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:23:02,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 23:23:02,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:23:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:23:02,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:23:02,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:23:02,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017328126] [2023-12-20 23:23:02,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:23:02,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969345310] [2023-12-20 23:23:02,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969345310] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:23:02,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:23:02,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 23:23:02,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798658690] [2023-12-20 23:23:02,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:23:02,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 23:23:02,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:23:02,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 23:23:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 23:23:02,815 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:23:02,933 INFO L93 Difference]: Finished difference Result 212 states and 297 transitions. [2023-12-20 23:23:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 23:23:02,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:23:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:23:02,934 INFO L225 Difference]: With dead ends: 212 [2023-12-20 23:23:02,934 INFO L226 Difference]: Without dead ends: 109 [2023-12-20 23:23:02,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:23:02,935 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 56 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:23:02,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 252 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:23:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-20 23:23:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2023-12-20 23:23:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:23:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2023-12-20 23:23:02,975 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 158 [2023-12-20 23:23:02,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:23:02,978 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2023-12-20 23:23:02,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2023-12-20 23:23:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:23:02,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:23:02,980 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:23:03,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 23:23:03,185 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 [2023-12-20 23:23:03,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:23:03,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:23:03,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1568647912, now seen corresponding path program 1 times [2023-12-20 23:23:03,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:23:03,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772252516] [2023-12-20 23:23:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:03,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:23:03,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:23:03,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109613084] [2023-12-20 23:23:03,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:23:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:23:03,228 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) [2023-12-20 23:23:03,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-20 23:23:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:23:03,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-20 23:23:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:23:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 705 proven. 360 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-20 23:23:19,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:23:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-20 23:23:24,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:23:24,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772252516] [2023-12-20 23:23:24,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:23:24,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109613084] [2023-12-20 23:23:24,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109613084] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 23:23:24,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 23:23:24,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [37] total 44 [2023-12-20 23:23:24,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161361984] [2023-12-20 23:23:24,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:23:24,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 23:23:24,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:23:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 23:23:24,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1493, Unknown=0, NotChecked=0, Total=1892 [2023-12-20 23:23:24,830 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:26,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:23:26,051 INFO L93 Difference]: Finished difference Result 251 states and 341 transitions. [2023-12-20 23:23:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:23:26,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-12-20 23:23:26,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:23:26,060 INFO L225 Difference]: With dead ends: 251 [2023-12-20 23:23:26,060 INFO L226 Difference]: Without dead ends: 146 [2023-12-20 23:23:26,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=418, Invalid=1652, Unknown=0, NotChecked=0, Total=2070 [2023-12-20 23:23:26,063 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 90 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 23:23:26,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 445 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 23:23:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-20 23:23:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 106. [2023-12-20 23:23:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 23:23:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2023-12-20 23:23:26,142 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 158 [2023-12-20 23:23:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:23:26,142 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2023-12-20 23:23:26,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-20 23:23:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2023-12-20 23:23:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 23:23:26,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:23:26,143 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:23:26,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-20 23:23:26,344 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 [2023-12-20 23:23:26,344 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:23:26,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:23:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 495562532, now seen corresponding path program 1 times [2023-12-20 23:23:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:23:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786481330] [2023-12-20 23:23:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:26,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:23:26,368 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:23:26,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [797388907] [2023-12-20 23:23:26,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:26,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:23:26,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:23:26,384 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) [2023-12-20 23:23:26,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-20 23:23:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:23:26,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-20 23:23:26,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:23:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-20 23:23:27,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:23:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-20 23:23:27,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:23:27,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786481330] [2023-12-20 23:23:27,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:23:27,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797388907] [2023-12-20 23:23:27,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797388907] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:23:27,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:23:27,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-12-20 23:23:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251731873] [2023-12-20 23:23:27,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:23:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 23:23:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:23:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 23:23:27,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-12-20 23:23:27,387 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:23:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:23:28,341 INFO L93 Difference]: Finished difference Result 348 states and 486 transitions. [2023-12-20 23:23:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 23:23:28,346 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) Word has length 158 [2023-12-20 23:23:28,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:23:28,351 INFO L225 Difference]: With dead ends: 348 [2023-12-20 23:23:28,351 INFO L226 Difference]: Without dead ends: 243 [2023-12-20 23:23:28,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=785, Unknown=0, NotChecked=0, Total=1056 [2023-12-20 23:23:28,352 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 371 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 23:23:28,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 374 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 23:23:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-12-20 23:23:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 162. [2023-12-20 23:23:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 100 states have internal predecessors, (118), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-20 23:23:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 230 transitions. [2023-12-20 23:23:28,392 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 230 transitions. Word has length 158 [2023-12-20 23:23:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:23:28,393 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 230 transitions. [2023-12-20 23:23:28,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 18 states have internal predecessors, (59), 4 states have call successors, (52), 3 states have call predecessors, (52), 4 states have return successors, (52), 2 states have call predecessors, (52), 4 states have call successors, (52) [2023-12-20 23:23:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-12-20 23:23:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-20 23:23:28,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:23:28,394 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:23:28,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-20 23:23:28,610 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 [2023-12-20 23:23:28,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:23:28,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:23:28,611 INFO L85 PathProgramCache]: Analyzing trace with hash -807967108, now seen corresponding path program 1 times [2023-12-20 23:23:28,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:23:28,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317806050] [2023-12-20 23:23:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:23:28,643 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:23:28,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633016599] [2023-12-20 23:23:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:23:28,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:23:28,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:23:28,647 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) [2023-12-20 23:23:28,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-20 23:23:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:23:28,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:23:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:23:29,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:23:29,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:23:29,035 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:23:29,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-20 23:23:29,242 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 [2023-12-20 23:23:29,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:23:29,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:23:29,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:23:29 BoogieIcfgContainer [2023-12-20 23:23:29,353 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:23:29,353 INFO L158 Benchmark]: Toolchain (without parser) took 100956.81ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 964.7MB). Free memory was 141.0MB in the beginning and 689.9MB in the end (delta: -548.9MB). Peak memory consumption was 416.9MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,353 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 186.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:23:29,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.85ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 126.4MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.01ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 122.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,354 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 186.6MB. Free memory was 122.5MB in the beginning and 116.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,354 INFO L158 Benchmark]: RCFGBuilder took 445.55ms. Allocated memory is still 186.6MB. Free memory was 116.6MB in the beginning and 150.8MB in the end (delta: -34.2MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,354 INFO L158 Benchmark]: TraceAbstraction took 100170.54ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 964.7MB). Free memory was 149.7MB in the beginning and 689.9MB in the end (delta: -540.2MB). Peak memory consumption was 424.5MB. Max. memory is 8.0GB. [2023-12-20 23:23:29,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 186.6MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.85ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 126.4MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.01ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 122.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 186.6MB. Free memory was 122.5MB in the beginning and 116.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 445.55ms. Allocated memory is still 186.6MB. Free memory was 116.6MB in the beginning and 150.8MB in the end (delta: -34.2MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * TraceAbstraction took 100170.54ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 964.7MB). Free memory was 149.7MB in the beginning and 689.9MB in the end (delta: -540.2MB). Peak memory consumption was 424.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwise operation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 4; [L25] unsigned char var_1_7 = 10; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 1; [L28] unsigned long int var_1_10 = 0; [L29] unsigned short int var_1_11 = 4; [L30] unsigned short int var_1_12 = 54828; [L31] unsigned short int var_1_13 = 61894; [L32] unsigned short int var_1_14 = 10000; [L33] unsigned short int var_1_15 = 10000; [L34] signed short int var_1_16 = 0; [L35] signed char var_1_17 = 32; [L36] signed char var_1_18 = 64; [L37] signed char var_1_19 = 10; [L38] signed char var_1_20 = 8; [L39] signed char var_1_21 = 5; [L40] signed char var_1_22 = 2; [L41] signed char var_1_23 = 64; [L42] signed long int var_1_24 = -5; [L43] unsigned char last_1_var_1_1 = 5; [L44] unsigned char last_1_var_1_7 = 10; [L45] unsigned short int last_1_var_1_11 = 4; [L46] signed char last_1_var_1_17 = 32; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] CALL updateLastVariables() [L128] last_1_var_1_1 = var_1_1 [L129] last_1_var_1_7 = var_1_7 [L130] last_1_var_1_11 = var_1_11 [L131] last_1_var_1_17 = var_1_17 [L141] RET updateLastVariables() [L142] CALL updateVariables() [L87] var_1_5 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_7=10, var_1_8=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L93] var_1_8 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L96] var_1_9 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L97] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1] [L98] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L99] var_1_12 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_12 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L100] RET assume_abort_if_not(var_1_12 >= 32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L101] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L102] var_1_13 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L103] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L104] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L105] var_1_14 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_14 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L106] RET assume_abort_if_not(var_1_14 >= 8191) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_14 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L107] RET assume_abort_if_not(var_1_14 <= 16384) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L108] var_1_15 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_15 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L109] RET assume_abort_if_not(var_1_15 >= 8192) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L110] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L111] var_1_18 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L112] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L113] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L113] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L114] var_1_19 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L115] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L116] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L116] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L117] var_1_20 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L118] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L119] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L119] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L121] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L122] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L122] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L123] var_1_22 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L124] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L125] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L125] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L142] RET updateVariables() [L143] CALL step() [L50] var_1_16 = (last_1_var_1_17 - 1) [L51] unsigned char stepLocal_2 = var_1_8; [L52] unsigned char stepLocal_1 = var_1_8; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=0] [L53] COND TRUE ((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && stepLocal_1 [L54] var_1_7 = var_1_5 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=32, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L62] COND FALSE !(var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) [L65] var_1_17 = (var_1_20 - (var_1_21 + var_1_22)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L67] signed long int stepLocal_0 = var_1_7 + var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=5, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L68] COND TRUE last_1_var_1_1 != stepLocal_0 [L69] var_1_1 = (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=0, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L71] COND TRUE ! var_1_9 [L72] var_1_10 = ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=4, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L74] COND TRUE \read(var_1_8) [L75] var_1_11 = (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=-5, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L77] var_1_24 = var_1_12 [L78] EXPR var_1_13 & var_1_7 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L78] COND FALSE !(! ((var_1_13 & var_1_7) != var_1_24)) [L81] COND FALSE !(! var_1_8) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, stepLocal_0=285, stepLocal_1=1, stepLocal_2=1, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L143] RET step() [L144] CALL, EXPR property() [L134] EXPR (((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L134] EXPR var_1_13 & var_1_7 [L134] EXPR (((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L134-L135] return ((((((((last_1_var_1_1 != (var_1_7 + var_1_16)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_16) < (last_1_var_1_7)) ? (var_1_16) : (last_1_var_1_7)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((last_1_var_1_7 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - last_1_var_1_11)))) : 1)) && (var_1_16 == ((signed short int) (last_1_var_1_17 - 1)))) && ((var_1_16 > ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_7) != var_1_24)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1))) && (var_1_24 == ((signed long int) var_1_12)) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_17=32, last_1_var_1_1=5, last_1_var_1_7=10, var_1_10=254, var_1_11=32771, var_1_12=65534, var_1_13=65534, var_1_14=16384, var_1_15=16383, var_1_16=31, var_1_17=0, var_1_18=-1, var_1_19=126, var_1_1=254, var_1_20=122, var_1_21=63, var_1_22=59, var_1_23=64, var_1_24=65534, var_1_5=254, var_1_6=1, var_1_7=254, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 100.0s, OverallIterations: 8, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1227 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1202 mSDsluCounter, 2481 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1839 mSDsCounter, 607 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1971 IncrementalHoareTripleChecker+Invalid, 2578 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 607 mSolverCounterUnsat, 642 mSDtfsCounter, 1971 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1777 GetRequests, 1637 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=7, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 409 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 91.6s InterpolantComputationTime, 1423 NumberOfCodeBlocks, 1423 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1727 ConstructedInterpolants, 2 QuantifiedInterpolants, 19350 SizeOfPredicates, 112 NumberOfNonLiveVariables, 2664 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 13496/14300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-20 23:23:29,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...