/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-d966a43 [2022-01-31 21:10:31,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 21:10:31,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 21:10:31,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 21:10:31,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 21:10:31,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 21:10:31,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 21:10:31,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 21:10:31,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 21:10:31,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 21:10:31,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 21:10:31,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 21:10:31,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 21:10:31,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 21:10:31,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 21:10:31,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 21:10:31,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 21:10:31,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 21:10:31,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 21:10:31,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 21:10:31,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 21:10:31,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 21:10:31,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 21:10:31,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 21:10:31,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 21:10:31,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 21:10:31,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 21:10:31,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 21:10:31,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 21:10:31,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 21:10:31,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 21:10:31,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 21:10:31,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 21:10:31,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 21:10:31,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 21:10:31,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 21:10:31,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 21:10:31,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 21:10:31,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 21:10:31,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 21:10:31,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 21:10:31,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 21:10:31,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:10:31,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 21:10:31,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 21:10:31,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 21:10:31,449 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 21:10:31,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 21:10:31,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 21:10:31,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 21:10:31,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 21:10:31,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 21:10:31,725 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 21:10:31,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-01-31 21:10:31,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7279c52fe/30ceef0057ae498bbd4f17d87358c317/FLAG939292910 [2022-01-31 21:10:32,207 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 21:10:32,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-01-31 21:10:32,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7279c52fe/30ceef0057ae498bbd4f17d87358c317/FLAG939292910 [2022-01-31 21:10:32,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7279c52fe/30ceef0057ae498bbd4f17d87358c317 [2022-01-31 21:10:32,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 21:10:32,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 21:10:32,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 21:10:32,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 21:10:32,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 21:10:32,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c623ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32, skipping insertion in model container [2022-01-31 21:10:32,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 21:10:32,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 21:10:32,855 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] [2022-01-31 21:10:32,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:10:32,865 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 21:10:32,914 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] [2022-01-31 21:10:32,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:10:32,931 INFO L208 MainTranslator]: Completed translation [2022-01-31 21:10:32,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32 WrapperNode [2022-01-31 21:10:32,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 21:10:32,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 21:10:32,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 21:10:32,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 21:10:32,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:32,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:33,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:33,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:33,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 21:10:33,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 21:10:33,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 21:10:33,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 21:10:33,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (1/1) ... [2022-01-31 21:10:33,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:10:33,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 21:10:33,043 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) [2022-01-31 21:10:33,055 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 [2022-01-31 21:10:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 21:10:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 21:10:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 21:10:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 21:10:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-01-31 21:10:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-01-31 21:10:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-01-31 21:10:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-01-31 21:10:33,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-01-31 21:10:33,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-01-31 21:10:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-01-31 21:10:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-01-31 21:10:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 21:10:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 21:10:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 21:10:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 21:10:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 21:10:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 21:10:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 21:10:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-01-31 21:10:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-01-31 21:10:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-01-31 21:10:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-01-31 21:10:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-01-31 21:10:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 21:10:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-31 21:10:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 21:10:33,223 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 21:10:33,224 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 21:10:33,747 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 21:10:33,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 21:10:33,756 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-31 21:10:33,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:10:33 BoogieIcfgContainer [2022-01-31 21:10:33,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 21:10:33,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 21:10:33,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 21:10:33,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 21:10:33,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:10:32" (1/3) ... [2022-01-31 21:10:33,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776390b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:10:33, skipping insertion in model container [2022-01-31 21:10:33,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:10:32" (2/3) ... [2022-01-31 21:10:33,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776390b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:10:33, skipping insertion in model container [2022-01-31 21:10:33,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:10:33" (3/3) ... [2022-01-31 21:10:33,769 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-01-31 21:10:33,773 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 21:10:33,773 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 21:10:33,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 21:10:33,815 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 [2022-01-31 21:10:33,815 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 21:10:33,839 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) [2022-01-31 21:10:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 21:10:33,853 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:10:33,853 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] [2022-01-31 21:10:33,853 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:10:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:10:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-01-31 21:10:33,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:10:33,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094345231] [2022-01-31 21:10:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:10:33,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:10:33,915 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:10:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:10:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 21:10:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 21:10:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:10:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:10:34,337 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:10:34,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094345231] [2022-01-31 21:10:34,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1094345231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:10:34,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:10:34,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 21:10:34,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380227300] [2022-01-31 21:10:34,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:10:34,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 21:10:34,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:10:34,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 21:10:34,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 21:10:34,379 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) [2022-01-31 21:10:34,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:10:34,845 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-01-31 21:10:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 21:10:34,848 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 [2022-01-31 21:10:34,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:10:34,858 INFO L225 Difference]: With dead ends: 243 [2022-01-31 21:10:34,858 INFO L226 Difference]: Without dead ends: 119 [2022-01-31 21:10:34,865 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 [2022-01-31 21:10:34,868 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-01-31 21:10:34,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-31 21:10:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-01-31 21:10:34,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-01-31 21:10:34,940 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) [2022-01-31 21:10:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-01-31 21:10:34,943 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-01-31 21:10:34,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:10:34,943 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-01-31 21:10:34,943 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) [2022-01-31 21:10:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-01-31 21:10:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-31 21:10:34,946 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:10:34,946 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] [2022-01-31 21:10:34,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 21:10:34,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:10:34,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:10:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-01-31 21:10:34,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:10:34,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390169076] [2022-01-31 21:10:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:10:34,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:10:34,950 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:10:34,977 WARN L127 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-01-31 21:10:34,977 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-01-31 21:10:34,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 21:10:34,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 21:10:34,986 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 21:10:34,988 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 21:10:35,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:10:35 BoogieIcfgContainer [2022-01-31 21:10:35,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 21:10:35,001 INFO L158 Benchmark]: Toolchain (without parser) took 2421.68ms. Allocated memory was 178.3MB in the beginning and 238.0MB in the end (delta: 59.8MB). Free memory was 128.9MB in the beginning and 127.3MB in the end (delta: 1.6MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-01-31 21:10:35,002 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:10:35,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.01ms. Allocated memory is still 178.3MB. Free memory was 128.7MB in the beginning and 143.1MB in the end (delta: -14.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2022-01-31 21:10:35,003 INFO L158 Benchmark]: Boogie Preprocessor took 75.11ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 139.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 21:10:35,003 INFO L158 Benchmark]: RCFGBuilder took 750.97ms. Allocated memory is still 178.3MB. Free memory was 139.6MB in the beginning and 109.8MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-01-31 21:10:35,004 INFO L158 Benchmark]: TraceAbstraction took 1238.88ms. Allocated memory was 178.3MB in the beginning and 238.0MB in the end (delta: 59.8MB). Free memory was 109.5MB in the beginning and 127.3MB in the end (delta: -17.8MB). Peak memory consumption was 42.6MB. Max. memory is 8.0GB. [2022-01-31 21:10:35,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.01ms. Allocated memory is still 178.3MB. Free memory was 128.7MB in the beginning and 143.1MB in the end (delta: -14.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.11ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 139.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 750.97ms. Allocated memory is still 178.3MB. Free memory was 139.6MB in the beginning and 109.8MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1238.88ms. Allocated memory was 178.3MB in the beginning and 238.0MB in the end (delta: 59.8MB). Free memory was 109.5MB in the beginning and 127.3MB in the end (delta: -17.8MB). Peak memory consumption was 42.6MB. 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: 1.2s, 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, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.3s 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: 0.1s 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 [2022-01-31 21:10:35,043 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...