/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_SUM.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt9.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 02:11:24,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 02:11:24,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 02:11:24,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-11 02:11:24,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 02:11:24,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 02:11:24,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 02:11:24,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 02:11:24,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 02:11:24,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 02:11:24,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 02:11:24,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 02:11:24,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 02:11:24,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 02:11:24,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 02:11:24,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 02:11:24,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 02:11:24,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 02:11:24,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 02:11:24,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 02:11:24,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 02:11:24,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 02:11:24,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 02:11:24,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 02:11:24,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 02:11:24,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 02:11:24,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 02:11:24,153 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 02:11:24,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 02:11:24,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 02:11:24,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 02:11:24,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 02:11:24,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:11:24,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 02:11:24,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 02:11:24,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 02:11:24,157 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 02:11:24,157 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 02:11:24,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 02:11:24,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 02:11:24,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 02:11:24,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 02:11:24,364 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 02:11:24,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt9.c [2022-01-11 02:11:24,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddb6c3f3/ac3d1e91166e4c4c8f0cae5b1b6d73ea/FLAG563c95290 [2022-01-11 02:11:24,781 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 02:11:24,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt9.c [2022-01-11 02:11:24,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddb6c3f3/ac3d1e91166e4c4c8f0cae5b1b6d73ea/FLAG563c95290 [2022-01-11 02:11:24,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddb6c3f3/ac3d1e91166e4c4c8f0cae5b1b6d73ea [2022-01-11 02:11:24,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 02:11:24,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 02:11:24,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 02:11:24,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 02:11:24,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 02:11:24,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:11:24" (1/1) ... [2022-01-11 02:11:24,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14182b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:24, skipping insertion in model container [2022-01-11 02:11:24,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:11:24" (1/1) ... [2022-01-11 02:11:24,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 02:11:24,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 02:11:24,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt9.c[403,416] [2022-01-11 02:11:24,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:11:24,967 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 02:11:24,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt9.c[403,416] [2022-01-11 02:11:25,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:11:25,012 INFO L208 MainTranslator]: Completed translation [2022-01-11 02:11:25,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25 WrapperNode [2022-01-11 02:11:25,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 02:11:25,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 02:11:25,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 02:11:25,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 02:11:25,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,037 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-01-11 02:11:25,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 02:11:25,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 02:11:25,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 02:11:25,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 02:11:25,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 02:11:25,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 02:11:25,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 02:11:25,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 02:11:25,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:11:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:25,082 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) [2022-01-11 02:11:25,100 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 [2022-01-11 02:11:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 02:11:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 02:11:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 02:11:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 02:11:25,165 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 02:11:25,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 02:11:25,406 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 02:11:25,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 02:11:25,410 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 02:11:25,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:25 BoogieIcfgContainer [2022-01-11 02:11:25,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 02:11:25,411 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 02:11:25,411 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 02:11:25,412 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 02:11:25,418 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:25" (1/1) ... [2022-01-11 02:11:25,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:11:25 BasicIcfg [2022-01-11 02:11:25,464 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 02:11:25,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 02:11:25,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 02:11:25,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 02:11:25,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 02:11:24" (1/4) ... [2022-01-11 02:11:25,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716d7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:11:25, skipping insertion in model container [2022-01-11 02:11:25,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:25" (2/4) ... [2022-01-11 02:11:25,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716d7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:11:25, skipping insertion in model container [2022-01-11 02:11:25,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:25" (3/4) ... [2022-01-11 02:11:25,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716d7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:11:25, skipping insertion in model container [2022-01-11 02:11:25,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:11:25" (4/4) ... [2022-01-11 02:11:25,472 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt9.cTransformedIcfg [2022-01-11 02:11:25,475 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 02:11:25,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 02:11:25,503 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 02:11:25,507 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 [2022-01-11 02:11:25,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 02:11:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 20 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) [2022-01-11 02:11:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-01-11 02:11:25,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:25,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:25,519 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2121353676, now seen corresponding path program 1 times [2022-01-11 02:11:25,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:25,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300777422] [2022-01-11 02:11:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:25,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:25,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:25,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300777422] [2022-01-11 02:11:25,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300777422] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 02:11:25,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 02:11:25,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 02:11:25,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884629628] [2022-01-11 02:11:25,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 02:11:25,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 02:11:25,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 02:11:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 02:11:25,894 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 20 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 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 02:11:25,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:25,991 INFO L93 Difference]: Finished difference Result 47 states and 71 transitions. [2022-01-11 02:11:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 02:11:25,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-01-11 02:11:25,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:26,000 INFO L225 Difference]: With dead ends: 47 [2022-01-11 02:11:26,001 INFO L226 Difference]: Without dead ends: 21 [2022-01-11 02:11:26,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 02:11:26,005 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 28 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:26,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 59 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 02:11:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-01-11 02:11:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-01-11 02:11:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 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) [2022-01-11 02:11:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-01-11 02:11:26,025 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 8 [2022-01-11 02:11:26,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:26,025 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-01-11 02:11:26,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 02:11:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-01-11 02:11:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-11 02:11:26,026 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:26,026 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:26,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 02:11:26,026 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:26,027 INFO L85 PathProgramCache]: Analyzing trace with hash 187268717, now seen corresponding path program 1 times [2022-01-11 02:11:26,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:26,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811365895] [2022-01-11 02:11:26,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:26,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:26,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:26,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811365895] [2022-01-11 02:11:26,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811365895] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 02:11:26,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139845565] [2022-01-11 02:11:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:26,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:11:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:26,266 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) [2022-01-11 02:11:26,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 02:11:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:26,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-11 02:11:26,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:11:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:26,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 02:11:32,862 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int| 1) 4294967296))) (or (not (< .cse0 |c_ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|)) (< 0 (mod .cse0 9)))) is different from false [2022-01-11 02:11:43,504 WARN L838 $PredicateComparison]: unable to prove that (< 0 (mod (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int| 1) 4294967296) 9)) is different from false [2022-01-11 02:11:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-01-11 02:11:43,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139845565] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 02:11:43,589 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 02:11:43,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2022-01-11 02:11:43,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626673299] [2022-01-11 02:11:43,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 02:11:43,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-11 02:11:43,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:43,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-11 02:11:43,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=168, Unknown=2, NotChecked=54, Total=272 [2022-01-11 02:11:43,591 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. Second operand has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 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) [2022-01-11 02:11:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:44,177 INFO L93 Difference]: Finished difference Result 61 states and 93 transitions. [2022-01-11 02:11:44,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-11 02:11:44,178 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 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) Word has length 13 [2022-01-11 02:11:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:44,178 INFO L225 Difference]: With dead ends: 61 [2022-01-11 02:11:44,178 INFO L226 Difference]: Without dead ends: 47 [2022-01-11 02:11:44,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=93, Invalid=333, Unknown=2, NotChecked=78, Total=506 [2022-01-11 02:11:44,180 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 196 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:44,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 43 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 182 Invalid, 0 Unknown, 74 Unchecked, 0.3s Time] [2022-01-11 02:11:44,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-01-11 02:11:44,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2022-01-11 02:11:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 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) [2022-01-11 02:11:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-01-11 02:11:44,186 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 13 [2022-01-11 02:11:44,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:44,187 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-01-11 02:11:44,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 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) [2022-01-11 02:11:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-01-11 02:11:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-11 02:11:44,187 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:44,187 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:44,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-11 02:11:44,410 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 [2022-01-11 02:11:44,411 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:44,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2024946698, now seen corresponding path program 1 times [2022-01-11 02:11:44,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:44,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145471915] [2022-01-11 02:11:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:44,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:44,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145471915] [2022-01-11 02:11:44,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145471915] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 02:11:44,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955626847] [2022-01-11 02:11:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:44,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:11:44,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:44,632 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) [2022-01-11 02:11:44,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-11 02:11:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:44,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-11 02:11:44,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:11:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:46,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 02:11:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:46,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955626847] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 02:11:46,617 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 02:11:46,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 19 [2022-01-11 02:11:46,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680868692] [2022-01-11 02:11:46,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 02:11:46,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-11 02:11:46,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-11 02:11:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-11 02:11:46,619 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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) [2022-01-11 02:11:47,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:47,400 INFO L93 Difference]: Finished difference Result 48 states and 66 transitions. [2022-01-11 02:11:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-11 02:11:47,401 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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 20 [2022-01-11 02:11:47,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:47,401 INFO L225 Difference]: With dead ends: 48 [2022-01-11 02:11:47,401 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 02:11:47,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2022-01-11 02:11:47,403 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 118 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:47,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 27 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-11 02:11:47,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 02:11:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 02:11:47,404 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) [2022-01-11 02:11:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 02:11:47,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-01-11 02:11:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:47,404 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 02:11:47,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 19 states have internal predecessors, (54), 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) [2022-01-11 02:11:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 02:11:47,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 02:11:47,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 02:11:47,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-11 02:11:47,619 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 [2022-01-11 02:11:47,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 02:11:47,833 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 02:11:47,833 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 02:11:47,833 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L854 garLoopResultBuilder]: At program point L44(lines 16 45) the Hoare annotation is: (or (let ((.cse0 (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int|))) (and (<= .cse0 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| 0) (<= 0 .cse0) (= 0 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~v6~0#1Int| 0))) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) [2022-01-11 02:11:47,834 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 43) the Hoare annotation is: (or (let ((.cse0 (+ (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int|) (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int|) (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 100000005 (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int|) (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int|) (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int|) (* 4294967292 |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int|)))) (and (<= (* 5 ~SIZE~0Int) .cse0) (= |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| 0) (= 0 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| 0) (<= (* 5 |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|) .cse0) (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v6~0#1Int| 0))) (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1) 4294967296) |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v6~0#1Int|) 4294967296) (mod (+ 1 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) 4294967296)) (<= ~SIZE~0Int 20000001))) [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 43) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L23(lines 23 40) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L37-2(lines 23 40) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 40) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 40) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L858 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-01-11 02:11:47,834 INFO L854 garLoopResultBuilder]: At program point L9-2(lines 8 13) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1) 4294967296) |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v6~0#1Int|) 4294967296) (mod (+ 1 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) 4294967296)) (<= ~SIZE~0Int 20000001)) [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 40) no Hoare annotation was computed. [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 40) no Hoare annotation was computed. [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 40) no Hoare annotation was computed. [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2022-01-11 02:11:47,835 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2022-01-11 02:11:47,837 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-11 02:11:47,838 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 02:11:47,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:11:47 BasicIcfg [2022-01-11 02:11:47,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 02:11:47,856 INFO L158 Benchmark]: Toolchain (without parser) took 23054.02ms. Allocated memory was 158.3MB in the beginning and 204.5MB in the end (delta: 46.1MB). Free memory was 102.6MB in the beginning and 154.4MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 02:11:47,856 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 158.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 02:11:47,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.25ms. Allocated memory was 158.3MB in the beginning and 204.5MB in the end (delta: 46.1MB). Free memory was 102.3MB in the beginning and 179.6MB in the end (delta: -77.2MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.70ms. Allocated memory is still 204.5MB. Free memory was 179.6MB in the beginning and 177.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,857 INFO L158 Benchmark]: Boogie Preprocessor took 13.14ms. Allocated memory is still 204.5MB. Free memory was 177.9MB in the beginning and 176.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,857 INFO L158 Benchmark]: RCFGBuilder took 359.73ms. Allocated memory is still 204.5MB. Free memory was 176.4MB in the beginning and 164.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,857 INFO L158 Benchmark]: IcfgTransformer took 52.87ms. Allocated memory is still 204.5MB. Free memory was 164.9MB in the beginning and 160.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,858 INFO L158 Benchmark]: TraceAbstraction took 22390.36ms. Allocated memory is still 204.5MB. Free memory was 160.2MB in the beginning and 154.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2022-01-11 02:11:47,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 158.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.25ms. Allocated memory was 158.3MB in the beginning and 204.5MB in the end (delta: 46.1MB). Free memory was 102.3MB in the beginning and 179.6MB in the end (delta: -77.2MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.70ms. Allocated memory is still 204.5MB. Free memory was 179.6MB in the beginning and 177.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.14ms. Allocated memory is still 204.5MB. Free memory was 177.9MB in the beginning and 176.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 359.73ms. Allocated memory is still 204.5MB. Free memory was 176.4MB in the beginning and 164.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 52.87ms. Allocated memory is still 204.5MB. Free memory was 164.9MB in the beginning and 160.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 22390.36ms. Allocated memory is still 204.5MB. Free memory was 160.2MB in the beginning and 154.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.8MB. 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: 10]: 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 74 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 42 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=2, InterpolantAutomatonStates: 26, 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, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 181 HoareAnnotationTreeSize, 3 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2883 SizeOfPredicates, 16 NumberOfNonLiveVariables, 398 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 8/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) || ((((l == 0bv32 && ~bvule32(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(k)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)), 0bv33)) && ~bvule32(0bv33, ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(k)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)))) && v3 == 0bv32) && v6 == 0bv32) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, cond) && ~bvule32(SIZE, 20000001bv32)) && ~bvadd16(1bv33, ~zero_extendFrom32To33(l))[31:0] == ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(~bvadd16(~zero_extendFrom32To33(k), 1bv33)[31:0])), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(v3)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)), ~zero_extendFrom32To33(v6))[31:0] - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((((((((((~bvule32(~zero_extendFrom64To65(~bvmul64(5bv64, ~zero_extendFrom32To64(n))), ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(j))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(k)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(i)))), 100000005bv65), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v2)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v4)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v1)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v5))))) && l == 0bv32) && ~bvule32(v5, 0bv32)) && k == 0bv32) && v1 == 0bv32) && i == 0bv32) && ~bvule32(0bv32, v5)) && v3 == 0bv32) && v6 == 0bv32) && v2 == 0bv32) && v4 == 0bv32) && ~bvule32(~zero_extendFrom64To65(~bvmul64(~zero_extendFrom32To64(SIZE), 5bv64)), ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(j))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(k)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(i)))), 100000005bv65), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v2)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v4)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v1)))), ~zero_extendFrom64To65(~bvmul64(4294967292bv64, ~zero_extendFrom32To64(v5)))))) && j == 0bv32) || ((~bvule32(1bv32, cond) && ~bvule32(SIZE, 20000001bv32)) && ~bvadd16(1bv33, ~zero_extendFrom32To33(l))[31:0] == ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(~bvadd16(~zero_extendFrom32To33(k), 1bv33)[31:0])), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(v3)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)), ~zero_extendFrom32To33(v6))[31:0]) RESULT: Ultimate proved your program to be correct! [2022-01-11 02:11:47,895 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...