/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:03:42,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:03:42,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:03:43,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 09:03:43,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:03:43,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:03:43,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:03:43,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:03:43,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:03:43,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:03:43,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:03:43,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:03:43,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:03:43,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:03:43,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:03:43,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:03:43,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 09:03:43,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:03:43,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:03:43,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:03:43,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 09:03:43,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:03:43,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:03:43,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:03:43,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:03:43,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:03:43,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:03:43,094 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:03:43,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:03:43,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:03:43,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:03:43,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:03:43,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:03:43,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:03:43,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:03:43,098 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:03:43,098 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:03:43,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:03:43,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:03:43,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:03:43,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:03:43,286 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:03:43,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound1.c [2022-01-10 09:03:43,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1243becd/3470cbb26a134f8c94238afc0bf42863/FLAG6aaf93a34 [2022-01-10 09:03:43,696 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:03:43,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound1.c [2022-01-10 09:03:43,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1243becd/3470cbb26a134f8c94238afc0bf42863/FLAG6aaf93a34 [2022-01-10 09:03:43,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1243becd/3470cbb26a134f8c94238afc0bf42863 [2022-01-10 09:03:43,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:03:43,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:03:43,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:03:43,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:03:43,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:03:43,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:43,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501f7e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43, skipping insertion in model container [2022-01-10 09:03:43,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:43,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:03:43,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:03:43,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound1.c[546,559] [2022-01-10 09:03:43,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:03:43,944 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:03:43,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound1.c[546,559] [2022-01-10 09:03:43,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:03:43,976 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:03:43,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43 WrapperNode [2022-01-10 09:03:43,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:03:43,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:03:43,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:03:43,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:03:43,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:43,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,006 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-01-10 09:03:44,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:03:44,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:03:44,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:03:44,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:03:44,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:03:44,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:03:44,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:03:44,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:03:44,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (1/1) ... [2022-01-10 09:03:44,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:03:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:03:44,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 09:03:44,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 09:03:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:03:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:03:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:03:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:03:44,197 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:03:44,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:03:44,767 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:03:44,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:03:44,771 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 09:03:44,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:44 BoogieIcfgContainer [2022-01-10 09:03:44,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:03:44,773 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:03:44,773 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:03:44,774 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:03:44,776 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:44" (1/1) ... [2022-01-10 09:03:44,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:03:44 BasicIcfg [2022-01-10 09:03:44,853 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:03:44,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:03:44,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:03:44,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:03:44,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:03:43" (1/4) ... [2022-01-10 09:03:44,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8fb3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:03:44, skipping insertion in model container [2022-01-10 09:03:44,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:43" (2/4) ... [2022-01-10 09:03:44,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8fb3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:03:44, skipping insertion in model container [2022-01-10 09:03:44,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:44" (3/4) ... [2022-01-10 09:03:44,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8fb3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:03:44, skipping insertion in model container [2022-01-10 09:03:44,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:03:44" (4/4) ... [2022-01-10 09:03:44,868 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound1.cTransformedIcfg [2022-01-10 09:03:44,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:03:44,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 09:03:44,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:03:44,908 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 09:03:44,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 09:03:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 09:03:44,922 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:03:44,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:03:44,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:03:44,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:03:44,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1889357781, now seen corresponding path program 1 times [2022-01-10 09:03:44,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:03:44,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348967776] [2022-01-10 09:03:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:03:44,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:03:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:03:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:03:45,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:03:45,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348967776] [2022-01-10 09:03:45,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348967776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:03:45,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:03:45,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:03:45,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469797343] [2022-01-10 09:03:45,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:03:45,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:03:45,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:03:45,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:03:45,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:03:45,054 INFO L87 Difference]: Start difference. First operand has 24 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:45,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:03:45,063 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-01-10 09:03:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:03:45,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-01-10 09:03:45,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:03:45,068 INFO L225 Difference]: With dead ends: 45 [2022-01-10 09:03:45,068 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 09:03:45,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:03:45,074 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:03:45,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:03:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 09:03:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-10 09:03:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-01-10 09:03:45,112 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 13 [2022-01-10 09:03:45,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:03:45,113 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-01-10 09:03:45,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-01-10 09:03:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 09:03:45,114 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:03:45,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:03:45,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:03:45,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:03:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:03:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash 980833624, now seen corresponding path program 1 times [2022-01-10 09:03:45,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:03:45,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575324429] [2022-01-10 09:03:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:03:45,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:03:45,153 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:03:45,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838605502] [2022-01-10 09:03:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:03:45,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:03:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:03:45,169 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) [2022-01-10 09:03:45,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 09:03:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:03:45,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-10 09:03:45,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:03:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:03:45,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 09:03:45,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:03:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575324429] [2022-01-10 09:03:45,887 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:03:45,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838605502] [2022-01-10 09:03:45,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838605502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:03:45,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:03:45,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 09:03:45,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072140761] [2022-01-10 09:03:45,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:03:45,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 09:03:45,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:03:45,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 09:03:45,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 09:03:45,894 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:03:46,175 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-01-10 09:03:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 09:03:46,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-01-10 09:03:46,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:03:46,176 INFO L225 Difference]: With dead ends: 30 [2022-01-10 09:03:46,176 INFO L226 Difference]: Without dead ends: 24 [2022-01-10 09:03:46,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-01-10 09:03:46,177 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 58 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 09:03:46,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 28 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 09:03:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-01-10 09:03:46,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-01-10 09:03:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-01-10 09:03:46,182 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 13 [2022-01-10 09:03:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:03:46,182 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-01-10 09:03:46,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-01-10 09:03:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 09:03:46,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:03:46,183 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:03:46,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 09:03:46,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:03:46,383 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:03:46,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:03:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1004724080, now seen corresponding path program 1 times [2022-01-10 09:03:46,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:03:46,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207483783] [2022-01-10 09:03:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:03:46,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:03:46,461 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:03:46,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287821276] [2022-01-10 09:03:46,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:03:46,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:03:46,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:03:46,464 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) [2022-01-10 09:03:46,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 09:03:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:03:46,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-10 09:03:46,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:03:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:03:46,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 09:03:46,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:03:46,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207483783] [2022-01-10 09:03:46,937 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:03:46,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287821276] [2022-01-10 09:03:46,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287821276] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:03:46,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:03:46,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 09:03:46,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896864859] [2022-01-10 09:03:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:03:46,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 09:03:46,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:03:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 09:03:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-10 09:03:46,938 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:47,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:03:47,036 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-01-10 09:03:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 09:03:47,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-01-10 09:03:47,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:03:47,036 INFO L225 Difference]: With dead ends: 24 [2022-01-10 09:03:47,036 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 09:03:47,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-01-10 09:03:47,037 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:03:47,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:03:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 09:03:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 09:03:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 09:03:47,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-01-10 09:03:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:03:47,039 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 09:03:47,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:03:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 09:03:47,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 09:03:47,041 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-10 09:03:47,041 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-10 09:03:47,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-10 09:03:47,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-10 09:03:47,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 09:03:47,291 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 09:03:47,291 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 09:03:47,291 INFO L858 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-01-10 09:03:47,291 INFO L858 garLoopResultBuilder]: For program point L12(lines 12 14) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L13-2(line 13) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L12-1(lines 12 14) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L13-4(line 13) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L12-2(lines 12 14) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L13-6(line 13) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L12-3(lines 12 14) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L854 garLoopResultBuilder]: At program point L36-2(lines 36 46) the Hoare annotation is: (let ((.cse3 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 2147483648) 2)) (.cse2 (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1)) (.cse1 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 1)) (.cse0 (* 2 (mod |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648)))) (and (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 1) (<= .cse0 .cse1) (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1) (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|) (<= .cse2 .cse3) (= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| (* (mod (div |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2) 18446744069414584320))) (<= .cse3 .cse2) (= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 1) (<= .cse1 .cse0))) [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L36-3(lines 36 46) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2022-01-10 09:03:47,292 INFO L858 garLoopResultBuilder]: For program point L16-3(lines 16 19) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L854 garLoopResultBuilder]: At program point L16-2(lines 15 21) the Hoare annotation is: (let ((.cse3 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 2147483648) 2)) (.cse2 (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1)) (.cse1 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 1)) (.cse0 (* 2 (mod |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648)))) (and (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 1) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (<= .cse0 .cse1) (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1) (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|) (<= .cse2 .cse3) (= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| (* (mod (div |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2) 18446744069414584320))) (<= .cse3 .cse2) (= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 1) (<= .cse1 .cse0))) [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point L17-1(lines 17 18) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L861 garLoopResultBuilder]: At program point L16-5(lines 15 21) the Hoare annotation is: true [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L861 garLoopResultBuilder]: At program point L51(lines 22 52) the Hoare annotation is: true [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 09:03:47,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 09:03:47,295 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 09:03:47,296 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 09:03:47,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:03:47 BasicIcfg [2022-01-10 09:03:47,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 09:03:47,311 INFO L158 Benchmark]: Toolchain (without parser) took 3588.12ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 117.7MB in the beginning and 89.7MB in the end (delta: 28.0MB). Peak memory consumption was 63.2MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,311 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 09:03:47,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.71ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 117.5MB in the beginning and 179.5MB in the end (delta: -62.0MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.51ms. Allocated memory is still 205.5MB. Free memory was 178.9MB in the beginning and 177.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,312 INFO L158 Benchmark]: Boogie Preprocessor took 35.02ms. Allocated memory is still 205.5MB. Free memory was 177.4MB in the beginning and 176.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,312 INFO L158 Benchmark]: RCFGBuilder took 730.07ms. Allocated memory is still 205.5MB. Free memory was 176.3MB in the beginning and 166.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,312 INFO L158 Benchmark]: IcfgTransformer took 80.68ms. Allocated memory is still 205.5MB. Free memory was 166.4MB in the beginning and 160.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,312 INFO L158 Benchmark]: TraceAbstraction took 2456.01ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 89.7MB in the end (delta: 70.4MB). Peak memory consumption was 70.9MB. Max. memory is 8.0GB. [2022-01-10 09:03:47,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.71ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 117.5MB in the beginning and 179.5MB in the end (delta: -62.0MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.51ms. Allocated memory is still 205.5MB. Free memory was 178.9MB in the beginning and 177.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.02ms. Allocated memory is still 205.5MB. Free memory was 177.4MB in the beginning and 176.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 730.07ms. Allocated memory is still 205.5MB. Free memory was 176.3MB in the beginning and 166.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 80.68ms. Allocated memory is still 205.5MB. Free memory was 166.4MB in the beginning and 160.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2456.01ms. Allocated memory is still 205.5MB. Free memory was 160.1MB in the beginning and 89.7MB in the end (delta: 70.4MB). Peak memory consumption was 70.9MB. 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 43 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 125 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 13 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((~bvule32(1bv32, cond) && ~bvule33(~zero_extendFrom32To33(k[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(k), 1bv33))) && ~bvadd32(~zero_extendFrom32To129(z), ~zero_extendFrom128To129(~bvmul64(18446744069414584320bv128, ~zero_extendFrom1To128(z[31:31][0:0])))) == ~zero_extendFrom64To129(y)) && ~bvule32(0bv32, cond)) && x == 1bv64) && ~bvule33(~bvadd32(~zero_extendFrom32To33(z), 1bv33), ~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)))) && c == 1bv64) && ~bvule32(cond, 1bv32)) && ~bvule33(~bvadd32(~zero_extendFrom32To33(k), 1bv33), ~zero_extendFrom32To33(k[30:0] ++ 0bv1))) && ~bvule33(~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)), ~bvadd32(~zero_extendFrom32To33(z), 1bv33)) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((~bvule33(~zero_extendFrom32To33(k[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(k), 1bv33)) && ~bvadd32(~zero_extendFrom32To129(z), ~zero_extendFrom128To129(~bvmul64(18446744069414584320bv128, ~zero_extendFrom1To128(z[31:31][0:0])))) == ~zero_extendFrom64To129(y)) && ~bvule32(0bv32, cond)) && x == 1bv64) && ~bvule33(~bvadd32(~zero_extendFrom32To33(z), 1bv33), ~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)))) && c == 1bv64) && ~bvule32(cond, 1bv32)) && ~bvule33(~bvadd32(~zero_extendFrom32To33(k), 1bv33), ~zero_extendFrom32To33(k[30:0] ++ 0bv1))) && ~bvule33(~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)), ~bvadd32(~zero_extendFrom32To33(z), 1bv33)) RESULT: Ultimate proved your program to be correct! [2022-01-10 09:03:47,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...