/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/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:39:12,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:39:12,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:39:12,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 11:39:12,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:39:12,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:39:12,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:39:12,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:39:12,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:39:12,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:39:12,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:39:12,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:39:12,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:39:12,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:39:12,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:39:12,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:39:12,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 11:39:12,132 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 11:39:12,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:39:12,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:39:12,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:39:12,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:39:12,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:39:12,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:39:12,170 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:39:12,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:39:12,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:39:12,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:39:12,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:39:12,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:39:12,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:39:12,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:39:12,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:39:12,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:39:12,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:39:12,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:39:12,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:39:12,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:39:12,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:39:12,178 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:39:12,178 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:39:12,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:39:12,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:39:12,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:39:12,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:39:12,416 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:39:12,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2022-01-10 11:39:12,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc6c0d53/ec92b610442e49928ff6976f24dc2481/FLAG0269ad981 [2022-01-10 11:39:12,854 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:39:12,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2022-01-10 11:39:12,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc6c0d53/ec92b610442e49928ff6976f24dc2481/FLAG0269ad981 [2022-01-10 11:39:12,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdc6c0d53/ec92b610442e49928ff6976f24dc2481 [2022-01-10 11:39:12,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:39:12,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:39:12,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:39:12,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:39:12,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:39:12,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:39:12" (1/1) ... [2022-01-10 11:39:12,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48af1f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:12, skipping insertion in model container [2022-01-10 11:39:12,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:39:12" (1/1) ... [2022-01-10 11:39:12,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:39:12,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:39:13,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2022-01-10 11:39:13,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:39:13,085 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:39:13,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2022-01-10 11:39:13,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:39:13,128 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:39:13,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13 WrapperNode [2022-01-10 11:39:13,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:39:13,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:39:13,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:39:13,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:39:13,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,179 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 251 [2022-01-10 11:39:13,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:39:13,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:39:13,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:39:13,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:39:13,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:39:13,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:39:13,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:39:13,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:39:13,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:39:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:39:13,246 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 11:39:13,256 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 11:39:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:39:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:39:13,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:39:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:39:13,352 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:39:13,353 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:39:13,598 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:39:13,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:39:13,605 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-01-10 11:39:13,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:39:13 BoogieIcfgContainer [2022-01-10 11:39:13,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:39:13,607 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:39:13,607 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:39:13,608 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:39:13,611 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:39:13" (1/1) ... [2022-01-10 11:39:13,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:39:13 BasicIcfg [2022-01-10 11:39:13,790 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:39:13,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:39:13,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:39:13,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:39:13,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:39:12" (1/4) ... [2022-01-10 11:39:13,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e0c429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:39:13, skipping insertion in model container [2022-01-10 11:39:13,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:39:13" (2/4) ... [2022-01-10 11:39:13,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e0c429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:39:13, skipping insertion in model container [2022-01-10 11:39:13,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:39:13" (3/4) ... [2022-01-10 11:39:13,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e0c429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:39:13, skipping insertion in model container [2022-01-10 11:39:13,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:39:13" (4/4) ... [2022-01-10 11:39:13,806 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.cTransformedIcfg [2022-01-10 11:39:13,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:39:13,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 11:39:13,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:39:13,852 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 11:39:13,852 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 11:39:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 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 11:39:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 11:39:13,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:39:13,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:39:13,871 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 11:39:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:39:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -428059236, now seen corresponding path program 1 times [2022-01-10 11:39:13,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:39:13,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823036893] [2022-01-10 11:39:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:39:13,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:39:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:39:14,067 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 11:39:14,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:39:14,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823036893] [2022-01-10 11:39:14,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823036893] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:39:14,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:39:14,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 11:39:14,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31733024] [2022-01-10 11:39:14,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:39:14,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 11:39:14,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:39:14,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 11:39:14,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 11:39:14,102 INFO L87 Difference]: Start difference. First operand has 70 states, 68 states have (on average 1.9264705882352942) internal successors, (131), 69 states have internal predecessors, (131), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 11:39:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:39:14,120 INFO L93 Difference]: Finished difference Result 132 states and 250 transitions. [2022-01-10 11:39:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 11:39:14,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-01-10 11:39:14,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:39:14,127 INFO L225 Difference]: With dead ends: 132 [2022-01-10 11:39:14,127 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 11:39:14,129 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 11:39:14,132 INFO L933 BasicCegarLoop]: 92 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, 92 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 11:39:14,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 11:39:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 11:39:14,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 11:39:14,146 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 11:39:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 11:39:14,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2022-01-10 11:39:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:39:14,148 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 11:39:14,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 11:39:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 11:39:14,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 11:39:14,150 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 11:39:14,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:39:14,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 11:39:14,160 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 11:39:14,160 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 11:39:14,160 INFO L861 garLoopResultBuilder]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2022-01-10 11:39:14,160 INFO L861 garLoopResultBuilder]: At program point L354(lines 28 358) the Hoare annotation is: true [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 69) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L861 garLoopResultBuilder]: At program point L20(lines 20 363) the Hoare annotation is: true [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 66) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 137) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 64) no Hoare annotation was computed. [2022-01-10 11:39:14,161 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 86) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 355) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 60) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 84) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 102) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 153) no Hoare annotation was computed. [2022-01-10 11:39:14,162 INFO L854 garLoopResultBuilder]: At program point L345(lines 20 363) the Hoare annotation is: false [2022-01-10 11:39:14,162 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 100) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 118) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 151) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 168) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 95) no Hoare annotation was computed. [2022-01-10 11:39:14,163 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 116) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 134) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 147) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 166) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 183) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 132) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 162) no Hoare annotation was computed. [2022-01-10 11:39:14,164 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 181) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 198) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 127) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 177) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 192) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2022-01-10 11:39:14,165 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 229) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 244) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 242) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 260) no Hoare annotation was computed. [2022-01-10 11:39:14,166 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 238) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 258) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 275) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 253) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 273) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 290) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 269) no Hoare annotation was computed. [2022-01-10 11:39:14,167 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 288) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 306) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 284) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 304) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 322) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 299) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 320) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 337) no Hoare annotation was computed. [2022-01-10 11:39:14,168 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 315) no Hoare annotation was computed. [2022-01-10 11:39:14,169 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 335) no Hoare annotation was computed. [2022-01-10 11:39:14,169 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 352) no Hoare annotation was computed. [2022-01-10 11:39:14,169 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 331) no Hoare annotation was computed. [2022-01-10 11:39:14,169 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 350) no Hoare annotation was computed. [2022-01-10 11:39:14,169 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-01-10 11:39:14,172 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-10 11:39:14,174 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 11:39:14,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:39:14 BasicIcfg [2022-01-10 11:39:14,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 11:39:14,184 INFO L158 Benchmark]: Toolchain (without parser) took 1309.12ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 117.5MB in the beginning and 130.5MB in the end (delta: -13.0MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,185 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 11:39:14,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.21ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 117.3MB in the beginning and 185.6MB in the end (delta: -68.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 213.9MB. Free memory was 185.6MB in the beginning and 183.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,186 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 213.9MB. Free memory was 183.5MB in the beginning and 181.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,187 INFO L158 Benchmark]: RCFGBuilder took 397.47ms. Allocated memory is still 213.9MB. Free memory was 181.9MB in the beginning and 166.7MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,187 INFO L158 Benchmark]: IcfgTransformer took 182.78ms. Allocated memory is still 213.9MB. Free memory was 166.7MB in the beginning and 157.2MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,188 INFO L158 Benchmark]: TraceAbstraction took 392.41ms. Allocated memory is still 213.9MB. Free memory was 156.7MB in the beginning and 130.5MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 11:39:14,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.21ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 117.3MB in the beginning and 185.6MB in the end (delta: -68.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 213.9MB. Free memory was 185.6MB in the beginning and 183.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 213.9MB. Free memory was 183.5MB in the beginning and 181.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 397.47ms. Allocated memory is still 213.9MB. Free memory was 181.9MB in the beginning and 166.7MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * IcfgTransformer took 182.78ms. Allocated memory is still 213.9MB. Free memory was 166.7MB in the beginning and 157.2MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 392.41ms. Allocated memory is still 213.9MB. Free memory was 156.7MB in the beginning and 130.5MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. 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: 362]: 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, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 92 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 11:39:14,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...