/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-nla/geo3-both-nt.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:21:48,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:21:48,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:21:48,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:21:48,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:21:48,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:21:48,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:21:48,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:21:48,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:21:48,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:21:48,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:21:48,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:21:48,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:21:48,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:21:48,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:21:48,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:21:48,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:21:48,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:21:48,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:21:48,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:21:48,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:21:48,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:21:48,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:21:48,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:21:48,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:21:48,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:21:48,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:21:48,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:21:48,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:21:48,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:21:48,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:21:48,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:21:48,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:21:48,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:21:48,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:21:48,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:21:48,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:21:48,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:21:48,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:21:48,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:21:48,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:21:48,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:21:48,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:21:48,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:21:48,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:21:48,767 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:21:48,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:21:48,768 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:21:48,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:21:48,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:21:48,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:21:48,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:21:48,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:21:48,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:21:48,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:21:48,770 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:21:48,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:21:48,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:21:48,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:21:48,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:21:48,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:21:48,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:21:48,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:21:48,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:21:48,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:21:48,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:21:48,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:21:48,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:21:48,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:21:48,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:21:48,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:21:49,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:21:49,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:21:49,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:21:49,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:21:49,214 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:21:49,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/geo3-both-nt.c [2022-10-16 17:21:49,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6614ef3c9/c9c258f7c90446f2873f1d52be90e7f4/FLAG55d585682 [2022-10-16 17:21:49,889 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:21:49,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/geo3-both-nt.c [2022-10-16 17:21:49,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6614ef3c9/c9c258f7c90446f2873f1d52be90e7f4/FLAG55d585682 [2022-10-16 17:21:50,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6614ef3c9/c9c258f7c90446f2873f1d52be90e7f4 [2022-10-16 17:21:50,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:21:50,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:21:50,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:21:50,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:21:50,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:21:50,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8df200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50, skipping insertion in model container [2022-10-16 17:21:50,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:21:50,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:21:50,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:21:50,469 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:21:50,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:21:50,503 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:21:50,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50 WrapperNode [2022-10-16 17:21:50,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:21:50,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:21:50,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:21:50,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:21:50,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,543 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-16 17:21:50,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:21:50,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:21:50,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:21:50,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:21:50,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:21:50,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:21:50,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:21:50,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:21:50,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (1/1) ... [2022-10-16 17:21:50,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:21:50,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:21:50,607 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) [2022-10-16 17:21:50,633 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 [2022-10-16 17:21:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:21:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:21:50,732 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:21:50,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:21:51,043 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:21:51,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:21:51,054 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 17:21:51,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:21:51 BoogieIcfgContainer [2022-10-16 17:21:51,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:21:51,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:21:51,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:21:51,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:21:51,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:21:50" (1/3) ... [2022-10-16 17:21:51,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df26619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:21:51, skipping insertion in model container [2022-10-16 17:21:51,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:21:50" (2/3) ... [2022-10-16 17:21:51,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df26619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:21:51, skipping insertion in model container [2022-10-16 17:21:51,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:21:51" (3/3) ... [2022-10-16 17:21:51,069 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-both-nt.c [2022-10-16 17:21:51,093 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:21:51,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 17:21:51,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:21:51,216 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f586394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:21:51,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 17:21:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 47 states have internal predecessors, (50), 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) [2022-10-16 17:21:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 17:21:51,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:21:51,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 17:21:51,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 17:21:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:21:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-10-16 17:21:51,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:21:51,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046745826] [2022-10-16 17:21:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:21:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:21:51,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 17:21:51,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698159772] [2022-10-16 17:21:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:21:51,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:21:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:21:51,379 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) [2022-10-16 17:21:51,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:21:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:21:51,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 17:21:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 17:21:51,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 17:21:51,448 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 17:21:51,450 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-10-16 17:21:51,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-10-16 17:21:51,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-10-16 17:21:51,454 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-10-16 17:21:51,454 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-10-16 17:21:51,454 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-10-16 17:21:51,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-10-16 17:21:51,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-10-16 17:21:51,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-10-16 17:21:51,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-10-16 17:21:51,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-10-16 17:21:51,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-10-16 17:21:51,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-10-16 17:21:51,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-10-16 17:21:51,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-10-16 17:21:51,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-10-16 17:21:51,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-10-16 17:21:51,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-10-16 17:21:51,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-10-16 17:21:51,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-10-16 17:21:51,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 17:21:51,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-16 17:21:51,683 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-16 17:21:51,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:21:51,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:21:51 BoogieIcfgContainer [2022-10-16 17:21:51,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:21:51,729 INFO L158 Benchmark]: Toolchain (without parser) took 1452.06ms. Allocated memory is still 155.2MB. Free memory was 128.9MB in the beginning and 125.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.4MB. Max. memory is 8.0GB. [2022-10-16 17:21:51,734 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:21:51,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.04ms. Allocated memory is still 155.2MB. Free memory was 128.7MB in the beginning and 119.9MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 17:21:51,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.04ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 17:21:51,738 INFO L158 Benchmark]: Boogie Preprocessor took 23.21ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 17:21:51,739 INFO L158 Benchmark]: RCFGBuilder took 488.33ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 104.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-10-16 17:21:51,740 INFO L158 Benchmark]: TraceAbstraction took 666.34ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 125.1MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:21:51,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 221.04ms. Allocated memory is still 155.2MB. Free memory was 128.7MB in the beginning and 119.9MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.04ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.21ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 117.4MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 488.33ms. Allocated memory is still 155.2MB. Free memory was 117.2MB in the beginning and 104.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 666.34ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 125.1MB in the end (delta: -20.9MB). There was no memory consumed. 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 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int z, a, k; [L23] int x, y, c; [L24] z = __VERIFIER_nondet_int() [L25] a = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = a [L29] y = 1 [L30] c = 1 VAL [a=-1, c=1, k=0, x=-1, y=1, z=-2147483648] [L32] COND TRUE 1 VAL [a=-1, c=1, k=0, x=-1, y=1, z=-2147483648] [L35] z*x VAL [a=-1, c=1, k=0, x=-1, y=1, z=-2147483648] - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-10-16 17:21:51,826 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...