/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 01:35:50,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 01:35:50,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 01:35:50,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 01:35:50,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 01:35:50,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 01:35:50,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 01:35:50,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 01:35:50,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 01:35:50,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 01:35:50,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 01:35:50,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 01:35:50,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 01:35:50,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 01:35:50,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 01:35:50,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 01:35:50,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 01:35:50,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 01:35:50,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 01:35:50,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 01:35:50,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 01:35:50,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 01:35:50,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 01:35:50,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 01:35:50,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 01:35:50,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 01:35:50,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 01:35:50,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 01:35:50,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-24 01:35:50,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 01:35:50,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 01:35:50,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 01:35:50,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 01:35:50,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 01:35:50,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-24 01:35:50,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 01:35:50,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 01:35:50,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 01:35:50,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 01:35:50,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-24 01:35:50,712 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 01:35:50,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 01:35:50,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 01:35:50,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 01:35:50,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 01:35:50,941 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 01:35:50,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-24 01:35:50,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1155fdf93/e757dfb0dc8945898fd00401a3db0fce/FLAGbd35c027e [2022-02-24 01:35:51,337 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 01:35:51,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-24 01:35:51,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1155fdf93/e757dfb0dc8945898fd00401a3db0fce/FLAGbd35c027e [2022-02-24 01:35:51,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1155fdf93/e757dfb0dc8945898fd00401a3db0fce [2022-02-24 01:35:51,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 01:35:51,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 01:35:51,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 01:35:51,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 01:35:51,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 01:35:51,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4184313c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51, skipping insertion in model container [2022-02-24 01:35:51,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 01:35:51,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 01:35:51,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-02-24 01:35:51,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 01:35:51,663 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 01:35:51,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-02-24 01:35:51,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 01:35:51,750 INFO L208 MainTranslator]: Completed translation [2022-02-24 01:35:51,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51 WrapperNode [2022-02-24 01:35:51,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 01:35:51,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 01:35:51,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 01:35:51,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 01:35:51,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 01:35:51,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 01:35:51,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 01:35:51,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 01:35:51,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (1/1) ... [2022-02-24 01:35:51,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 01:35:51,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 01:35:51,857 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) [2022-02-24 01:35:51,875 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 [2022-02-24 01:35:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 01:35:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 01:35:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 01:35:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-02-24 01:35:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-02-24 01:35:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-02-24 01:35:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 01:35:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-24 01:35:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-02-24 01:35:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 01:35:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-24 01:35:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 01:35:52,024 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 01:35:52,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 01:35:52,392 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 01:35:52,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 01:35:52,397 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-24 01:35:52,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:35:52 BoogieIcfgContainer [2022-02-24 01:35:52,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 01:35:52,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 01:35:52,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 01:35:52,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 01:35:52,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 01:35:51" (1/3) ... [2022-02-24 01:35:52,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537a2e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:35:52, skipping insertion in model container [2022-02-24 01:35:52,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:35:51" (2/3) ... [2022-02-24 01:35:52,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537a2e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:35:52, skipping insertion in model container [2022-02-24 01:35:52,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:35:52" (3/3) ... [2022-02-24 01:35:52,413 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-02-24 01:35:52,418 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 01:35:52,418 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 01:35:52,455 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 01:35:52,459 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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=JORDAN [2022-02-24 01:35:52,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 01:35:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-02-24 01:35:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 01:35:52,485 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:35:52,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:35:52,486 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:35:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:35:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-02-24 01:35:52,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:35:52,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924597491] [2022-02-24 01:35:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:35:52,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:35:52,534 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:35:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:35:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:35:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:35:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-24 01:35:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:35:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 01:35:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:35:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:35:52,876 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:35:52,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924597491] [2022-02-24 01:35:52,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [924597491] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:35:52,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:35:52,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:35:52,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727120225] [2022-02-24 01:35:52,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:35:52,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:35:52,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:35:52,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:35:52,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:35:52,905 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 01:35:53,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:35:53,314 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-02-24 01:35:53,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:35:53,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-02-24 01:35:53,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:35:53,326 INFO L225 Difference]: With dead ends: 243 [2022-02-24 01:35:53,326 INFO L226 Difference]: Without dead ends: 119 [2022-02-24 01:35:53,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:35:53,334 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:35:53,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:35:53,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-24 01:35:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-02-24 01:35:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-24 01:35:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-02-24 01:35:53,389 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-02-24 01:35:53,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:35:53,390 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-02-24 01:35:53,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 01:35:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-02-24 01:35:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 01:35:53,396 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:35:53,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:35:53,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 01:35:53,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:35:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:35:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-02-24 01:35:53,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:35:53,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601176815] [2022-02-24 01:35:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:35:53,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:35:53,403 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:35:53,445 WARN L132 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-02-24 01:35:53,445 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-02-24 01:35:53,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 01:35:53,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 01:35:53,459 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-24 01:35:53,460 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 01:35:53,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 01:35:53 BoogieIcfgContainer [2022-02-24 01:35:53,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 01:35:53,487 INFO L158 Benchmark]: Toolchain (without parser) took 2123.42ms. Allocated memory was 183.5MB in the beginning and 241.2MB in the end (delta: 57.7MB). Free memory was 127.7MB in the beginning and 133.5MB in the end (delta: -5.8MB). Peak memory consumption was 51.0MB. Max. memory is 8.0GB. [2022-02-24 01:35:53,487 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 01:35:53,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.04ms. Allocated memory was 183.5MB in the beginning and 241.2MB in the end (delta: 57.7MB). Free memory was 127.5MB in the beginning and 203.7MB in the end (delta: -76.2MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-02-24 01:35:53,491 INFO L158 Benchmark]: Boogie Preprocessor took 79.15ms. Allocated memory is still 241.2MB. Free memory was 203.7MB in the beginning and 200.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 01:35:53,493 INFO L158 Benchmark]: RCFGBuilder took 577.28ms. Allocated memory is still 241.2MB. Free memory was 200.0MB in the beginning and 169.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-24 01:35:53,494 INFO L158 Benchmark]: TraceAbstraction took 1077.58ms. Allocated memory is still 241.2MB. Free memory was 169.1MB in the beginning and 133.5MB in the end (delta: 35.6MB). Peak memory consumption was 34.8MB. Max. memory is 8.0GB. [2022-02-24 01:35:53,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.04ms. Allocated memory was 183.5MB in the beginning and 241.2MB in the end (delta: 57.7MB). Free memory was 127.5MB in the beginning and 203.7MB in the end (delta: -76.2MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 79.15ms. Allocated memory is still 241.2MB. Free memory was 203.7MB in the beginning and 200.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 577.28ms. Allocated memory is still 241.2MB. Free memory was 200.0MB in the beginning and 169.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1077.58ms. Allocated memory is still 241.2MB. Free memory was 169.1MB in the beginning and 133.5MB in the end (delta: 35.6MB). Peak memory consumption was 34.8MB. 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 - UnprovableResult [Line: 463]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L181] unsigned int Id_MCDC_104; [L182] UINT16 Id_MCDC_105; [L183] UINT16 Id_MCDC_106; [L184] Od_IndexTable* Id_MCDC_107; [L185] Od_IndexTable* Id_MCDC_108; [L186] Od_IndexTable* Id_MCDC_109; [L187] Od_IndexTable* Id_MCDC_110; [L188] Od_IndexTable* Id_MCDC_111; [L189] UINT32 Id_MCDC_112 [4]; [L190] CanOpenNode Id_MCDC_113; [L191] UINT32 Id_MCDC_114=0; [L429] void * Id_MCDC_143; [L430] void * Id_MCDC_144; [L431] void * Id_MCDC_145; [L432] void * Id_MCDC_146; [L433] void * Id_MCDC_147; [L434] void * Id_MCDC_148; [L435] int Id_MCDC_149; [L436] int Id_MCDC_150; [L437] int Id_MCDC_151; [L438] int Id_MCDC_152; [L439] int Id_MCDC_153; [L440] int Id_MCDC_154; [L441] int Id_MCDC_155; [L442] short Id_MCDC_156; [L443] short Id_MCDC_157; [L444] FILE* Id_MCDC_158; [L445] unsigned short Id_MCDC_159; [L446] unsigned short Id_MCDC_160; [L447] unsigned short Id_MCDC_161=0; [L448] unsigned short Id_MCDC_162=0; [L449] char Id_MCDC_163; [L450] char Id_MCDC_164; [L451] Id_MCDC_158 = fopen("in.eds", "r") [L452] COND FALSE !(Id_MCDC_158 == (( void * ) 0)) [L457] CALL Id_MCDC_100() [L422] int Id_MCDC_141; [L423] void * Id_MCDC_142; [L424] CALL Id_MCDC_99() [L402] CHAR Id_MCDC_139 [4]={0, 0, 0, 0}; [L403] UINT32 Id_MCDC_140=0; [L404] Id_MCDC_113.Id_MCDC_66 = ( PDO_Buffer* ) malloc(372) [L405] CALL Id_MCDC_97() [L333] UINT32 Id_MCDC_123; [L334] UINT32 Id_MCDC_124; [L335] UINT32 Id_MCDC_125; [L336] UINT32 Id_MCDC_126; [L337] UINT32 Id_MCDC_127; [L338] UINT32 Id_MCDC_128=0x00; [L339] UINT16 Id_MCDC_129; [L340] UINT32 Id_MCDC_130=0x00; [L341] UINT32 Id_MCDC_131=0x00; [L342] UINT8 Id_MCDC_35=0; [L343] UINT8 Id_MCDC_132=0; [L344] UINT8 Id_MCDC_36=0; [L345] UINT8 Id_MCDC_133=0; [L346] UINT8 Id_MCDC_134=0x00; [L347] INT32 Id_MCDC_135; [L348] void * Id_MCDC_136; [L349] UINT32* Id_MCDC_137; [L350] UINT16 Id_MCDC_138; [L351] Id_MCDC_123 = 0x1800 [L352] Id_MCDC_132 = 0 [L352] COND FALSE !(Id_MCDC_132 < 4) [L356] COND FALSE !(Id_MCDC_123 <= 0x1803) [L398] return 0x00; [L338] UINT32 Id_MCDC_128=0x00; [L398] return 0x00; [L340] UINT32 Id_MCDC_130=0x00; [L398] return 0x00; [L341] UINT32 Id_MCDC_131=0x00; [L398] return 0x00; [L398] return 0x00; [L398] return 0x00; [L405] RET Id_MCDC_97() [L406] Id_MCDC_140 = 0 [L406] COND FALSE !(Id_MCDC_140 < 4) [L417] CALL Id_MCDC_95(4, Id_MCDC_139) [L282] UINT32 Id_MCDC_121=0; [L283] UINT32 Id_MCDC_122=0; [L284] COND FALSE !(Id_MCDC_93 < 2) [L288] COND FALSE !(Id_MCDC_93 != 2) [L294] EXPR Id_MCDC_94[1] [L294] Id_MCDC_122 = Id_MCDC_94[1] [L296] EXPR Id_MCDC_94[0] [L296] CALL Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122) [L251] UINT32 Id_MCDC_117=0; [L252] UINT32 Id_MCDC_118=0; [L253] UINT32 Id_MCDC_119=1; [L254] UINT32 Id_MCDC_120=0; [L255] COND TRUE Id_MCDC_90 > Id_MCDC_91 [L257] Id_MCDC_117 = Id_MCDC_90 [L258] Id_MCDC_118 = Id_MCDC_91 [L270] COND TRUE Id_MCDC_119 != 0 [L272] CALL avoid_zero(Id_MCDC_118 != 0) [L11] COND FALSE !(!y) [L272] RET avoid_zero(Id_MCDC_118 != 0) [L273] Id_MCDC_120 = ( UINT32 ) (Id_MCDC_117 / Id_MCDC_118) [L274] CALL __VERIFIER_assert(( long long ) (Id_MCDC_120 * Id_MCDC_118) >= 0 && ( long long ) (Id_MCDC_120 * Id_MCDC_118) <= 4294967295) [L461] COND TRUE ! (Id_MCDC_103) [L463] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 133 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 5, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-24 01:35:53,523 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...