/usr/bin/java -ea -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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound50.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 18:44:45,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 18:44:45,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 18:44:45,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 18:44:45,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 18:44:45,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 18:44:45,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 18:44:45,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 18:44:45,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 18:44:45,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 18:44:45,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 18:44:45,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 18:44:45,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 18:44:45,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 18:44:45,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 18:44:45,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 18:44:45,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 18:44:45,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 18:44:45,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 18:44:45,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 18:44:45,930 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 18:44:45,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 18:44:45,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 18:44:45,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 18:44:45,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 18:44:45,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 18:44:45,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 18:44:45,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 18:44:45,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 18:44:45,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 18:44:45,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 18:44:45,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 18:44:45,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 18:44:45,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 18:44:45,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 18:44:45,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 18:44:45,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 18:44:45,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 18:44:45,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 18:44:45,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 18:44:45,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 18:44:45,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 18:44:45,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 18:44:45,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 18:44:45,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 18:44:45,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 18:44:45,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 18:44:45,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 18:44:45,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 18:44:45,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 18:44:45,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 18:44:45,969 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 18:44:45,969 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 18:44:46,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 18:44:46,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 18:44:46,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 18:44:46,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 18:44:46,202 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 18:44:46,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound50.c [2022-04-27 18:44:46,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d168e8700/136224906590453d838fb7ccb4114fcc/FLAG7b48539e8 [2022-04-27 18:44:46,634 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 18:44:46,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound50.c [2022-04-27 18:44:46,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d168e8700/136224906590453d838fb7ccb4114fcc/FLAG7b48539e8 [2022-04-27 18:44:47,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d168e8700/136224906590453d838fb7ccb4114fcc [2022-04-27 18:44:47,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 18:44:47,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 18:44:47,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 18:44:47,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 18:44:47,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 18:44:47,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1825c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47, skipping insertion in model container [2022-04-27 18:44:47,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 18:44:47,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 18:44:47,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound50.c[546,559] [2022-04-27 18:44:47,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 18:44:47,246 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 18:44:47,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound50.c[546,559] [2022-04-27 18:44:47,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 18:44:47,287 INFO L208 MainTranslator]: Completed translation [2022-04-27 18:44:47,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47 WrapperNode [2022-04-27 18:44:47,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 18:44:47,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 18:44:47,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 18:44:47,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 18:44:47,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 18:44:47,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 18:44:47,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 18:44:47,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 18:44:47,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 18:44:47,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:44:47,356 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) [2022-04-27 18:44:47,376 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 [2022-04-27 18:44:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 18:44:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 18:44:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 18:44:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 18:44:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 18:44:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 18:44:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 18:44:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 18:44:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 18:44:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 18:44:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 18:44:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 18:44:47,448 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 18:44:47,450 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 18:44:47,590 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 18:44:47,595 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 18:44:47,596 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 18:44:47,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:44:47 BoogieIcfgContainer [2022-04-27 18:44:47,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 18:44:47,598 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 18:44:47,598 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 18:44:47,599 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 18:44:47,602 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:44:47" (1/1) ... [2022-04-27 18:44:47,603 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 18:44:47,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 06:44:47 BasicIcfg [2022-04-27 18:44:47,629 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 18:44:47,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 18:44:47,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 18:44:47,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 18:44:47,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 06:44:47" (1/4) ... [2022-04-27 18:44:47,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1ef110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:44:47, skipping insertion in model container [2022-04-27 18:44:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:44:47" (2/4) ... [2022-04-27 18:44:47,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1ef110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:44:47, skipping insertion in model container [2022-04-27 18:44:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:44:47" (3/4) ... [2022-04-27 18:44:47,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1ef110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 06:44:47, skipping insertion in model container [2022-04-27 18:44:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 06:44:47" (4/4) ... [2022-04-27 18:44:47,635 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound50.cJordan [2022-04-27 18:44:47,648 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 18:44:47,648 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 18:44:47,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 18:44:47,705 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f6cb730, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@134d0ca [2022-04-27 18:44:47,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 18:44:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:44:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-27 18:44:47,722 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:44:47,723 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:44:47,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:44:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:44:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1950279688, now seen corresponding path program 1 times [2022-04-27 18:44:47,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:44:47,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174557195] [2022-04-27 18:44:47,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:44:47,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:44:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 18:44:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:47,973 INFO L290 TraceCheckUtils]: 0: Hoare triple {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [73] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {35#true} is VALID [2022-04-27 18:44:47,973 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [76] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 18:44:47,974 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 18:44:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 18:44:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:47,995 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:47,996 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:47,996 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:47,997 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {35#true} [104] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-27 18:44:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:48,013 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,014 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,014 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [105] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-27 18:44:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:48,026 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,028 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [106] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-27 18:44:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:48,046 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,048 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,048 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [107] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,051 INFO L272 TraceCheckUtils]: 0: Hoare triple {35#true} [71] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 18:44:48,051 INFO L290 TraceCheckUtils]: 1: Hoare triple {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [73] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {35#true} is VALID [2022-04-27 18:44:48,052 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [76] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 18:44:48,052 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 18:44:48,052 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [72] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 18:44:48,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {35#true} [75] mainENTRY-->L26: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~z~0=v_main_~z~0_2, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~z~0, main_~k~0, main_~c~0, main_~y~0] {35#true} is VALID [2022-04-27 18:44:48,053 INFO L272 TraceCheckUtils]: 6: Hoare triple {35#true} [77] L26-->assume_abort_if_notENTRY: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-27 18:44:48,053 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,054 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,055 INFO L290 TraceCheckUtils]: 9: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,055 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {36#false} {35#true} [104] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,055 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} [78] L26-1-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~k~0_2 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~k~0] {36#false} is VALID [2022-04-27 18:44:48,057 INFO L272 TraceCheckUtils]: 12: Hoare triple {36#false} [80] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-27 18:44:48,057 INFO L290 TraceCheckUtils]: 13: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,058 INFO L290 TraceCheckUtils]: 14: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,058 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,059 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {36#false} {36#false} [105] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,059 INFO L272 TraceCheckUtils]: 17: Hoare triple {36#false} [83] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-27 18:44:48,060 INFO L290 TraceCheckUtils]: 18: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,060 INFO L290 TraceCheckUtils]: 19: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,060 INFO L290 TraceCheckUtils]: 20: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,061 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {36#false} {36#false} [106] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,062 INFO L272 TraceCheckUtils]: 22: Hoare triple {36#false} [85] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-27 18:44:48,062 INFO L290 TraceCheckUtils]: 23: Hoare triple {35#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 18:44:48,063 INFO L290 TraceCheckUtils]: 24: Hoare triple {35#true} [81] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,064 INFO L290 TraceCheckUtils]: 25: Hoare triple {36#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,064 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {36#false} {36#false} [107] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 18:44:48,065 INFO L290 TraceCheckUtils]: 27: Hoare triple {36#false} [86] L30-->L36-2: Formula: (and (= v_main_~y~0_3 v_main_~z~0_7) (= v_main_~c~0_2 1) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_7} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_7} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {36#false} is VALID [2022-04-27 18:44:48,065 INFO L290 TraceCheckUtils]: 28: Hoare triple {36#false} [89] L36-2-->L37: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,068 INFO L272 TraceCheckUtils]: 29: Hoare triple {36#false} [91] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {36#false} is VALID [2022-04-27 18:44:48,068 INFO L290 TraceCheckUtils]: 30: Hoare triple {36#false} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {36#false} is VALID [2022-04-27 18:44:48,069 INFO L290 TraceCheckUtils]: 31: Hoare triple {36#false} [97] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,069 INFO L290 TraceCheckUtils]: 32: Hoare triple {36#false} [100] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 18:44:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 18:44:48,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:44:48,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174557195] [2022-04-27 18:44:48,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174557195] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:44:48,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:44:48,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 18:44:48,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132639498] [2022-04-27 18:44:48,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:44:48,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-04-27 18:44:48,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:44:48,085 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:44:48,127 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:48,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 18:44:48,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:44:48,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 18:44:48,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 18:44:48,160 INFO L87 Difference]: Start difference. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:44:48,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,296 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-27 18:44:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 18:44:48,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-04-27 18:44:48,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:44:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:44:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-04-27 18:44:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:44:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-04-27 18:44:48,323 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 40 transitions. [2022-04-27 18:44:48,379 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:48,390 INFO L225 Difference]: With dead ends: 32 [2022-04-27 18:44:48,390 INFO L226 Difference]: Without dead ends: 27 [2022-04-27 18:44:48,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 18:44:48,394 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:44:48,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 18:44:48,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-27 18:44:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-27 18:44:48,427 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:44:48,428 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 18:44:48,429 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 18:44:48,429 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 18:44:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,437 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-27 18:44:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 18:44:48,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:48,438 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:48,439 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 27 states. [2022-04-27 18:44:48,440 INFO L87 Difference]: Start difference. First operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 27 states. [2022-04-27 18:44:48,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,445 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-27 18:44:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 18:44:48,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:48,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:48,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:44:48,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:44:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 18:44:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-27 18:44:48,449 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 33 [2022-04-27 18:44:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:44:48,450 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-27 18:44:48,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:44:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-27 18:44:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-27 18:44:48,451 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:44:48,451 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:44:48,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 18:44:48,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:44:48,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:44:48,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1010552682, now seen corresponding path program 1 times [2022-04-27 18:44:48,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:44:48,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755951901] [2022-04-27 18:44:48,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:44:48,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:44:48,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:44:48,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829598782] [2022-04-27 18:44:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:44:48,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:44:48,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:44:48,493 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) [2022-04-27 18:44:48,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 18:44:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:48,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 18:44:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:48,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:44:48,773 INFO L272 TraceCheckUtils]: 0: Hoare triple {172#true} [71] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,773 INFO L290 TraceCheckUtils]: 1: Hoare triple {172#true} [73] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {172#true} is VALID [2022-04-27 18:44:48,773 INFO L290 TraceCheckUtils]: 2: Hoare triple {172#true} [76] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,774 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {172#true} {172#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,774 INFO L272 TraceCheckUtils]: 4: Hoare triple {172#true} [72] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,774 INFO L290 TraceCheckUtils]: 5: Hoare triple {172#true} [75] mainENTRY-->L26: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~z~0=v_main_~z~0_2, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~z~0, main_~k~0, main_~c~0, main_~y~0] {172#true} is VALID [2022-04-27 18:44:48,774 INFO L272 TraceCheckUtils]: 6: Hoare triple {172#true} [77] L26-->assume_abort_if_notENTRY: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,774 INFO L290 TraceCheckUtils]: 7: Hoare triple {172#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {172#true} is VALID [2022-04-27 18:44:48,775 INFO L290 TraceCheckUtils]: 8: Hoare triple {172#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,775 INFO L290 TraceCheckUtils]: 9: Hoare triple {172#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,775 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {172#true} {172#true} [104] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,775 INFO L290 TraceCheckUtils]: 11: Hoare triple {172#true} [78] L26-1-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~k~0_2 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~k~0] {172#true} is VALID [2022-04-27 18:44:48,776 INFO L272 TraceCheckUtils]: 12: Hoare triple {172#true} [80] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,776 INFO L290 TraceCheckUtils]: 13: Hoare triple {172#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {172#true} is VALID [2022-04-27 18:44:48,776 INFO L290 TraceCheckUtils]: 14: Hoare triple {172#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,776 INFO L290 TraceCheckUtils]: 15: Hoare triple {172#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,776 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {172#true} {172#true} [105] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,777 INFO L272 TraceCheckUtils]: 17: Hoare triple {172#true} [83] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,777 INFO L290 TraceCheckUtils]: 18: Hoare triple {172#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {172#true} is VALID [2022-04-27 18:44:48,777 INFO L290 TraceCheckUtils]: 19: Hoare triple {172#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,777 INFO L290 TraceCheckUtils]: 20: Hoare triple {172#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,777 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {172#true} {172#true} [106] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,778 INFO L272 TraceCheckUtils]: 22: Hoare triple {172#true} [85] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,778 INFO L290 TraceCheckUtils]: 23: Hoare triple {172#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {172#true} is VALID [2022-04-27 18:44:48,778 INFO L290 TraceCheckUtils]: 24: Hoare triple {172#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,778 INFO L290 TraceCheckUtils]: 25: Hoare triple {172#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-27 18:44:48,778 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {172#true} {172#true} [107] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-27 18:44:48,779 INFO L290 TraceCheckUtils]: 27: Hoare triple {172#true} [86] L30-->L36-2: Formula: (and (= v_main_~y~0_3 v_main_~z~0_7) (= v_main_~c~0_2 1) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_7} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_7} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {258#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} is VALID [2022-04-27 18:44:48,780 INFO L290 TraceCheckUtils]: 28: Hoare triple {258#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} [89] L36-2-->L37: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {258#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} is VALID [2022-04-27 18:44:48,781 INFO L272 TraceCheckUtils]: 29: Hoare triple {258#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} [91] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {265#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:44:48,781 INFO L290 TraceCheckUtils]: 30: Hoare triple {265#(<= 1 |__VERIFIER_assert_#in~cond|)} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {269#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:44:48,782 INFO L290 TraceCheckUtils]: 31: Hoare triple {269#(<= 1 __VERIFIER_assert_~cond)} [97] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {173#false} is VALID [2022-04-27 18:44:48,782 INFO L290 TraceCheckUtils]: 32: Hoare triple {173#false} [100] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {173#false} is VALID [2022-04-27 18:44:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 18:44:48,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 18:44:48,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:44:48,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755951901] [2022-04-27 18:44:48,783 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:44:48,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829598782] [2022-04-27 18:44:48,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829598782] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:44:48,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:44:48,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 18:44:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095471796] [2022-04-27 18:44:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:44:48,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2022-04-27 18:44:48,785 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:44:48,786 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 18:44:48,806 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:48,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 18:44:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:44:48,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 18:44:48,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 18:44:48,808 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 18:44:48,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,932 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-04-27 18:44:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 18:44:48,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2022-04-27 18:44:48,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:44:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 18:44:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-27 18:44:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 18:44:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-27 18:44:48,939 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2022-04-27 18:44:48,974 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:48,976 INFO L225 Difference]: With dead ends: 35 [2022-04-27 18:44:48,976 INFO L226 Difference]: Without dead ends: 35 [2022-04-27 18:44:48,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:44:48,978 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:44:48,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 99 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 18:44:48,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-27 18:44:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-04-27 18:44:48,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:44:48,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 18:44:48,984 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 18:44:48,984 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 18:44:48,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,987 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-04-27 18:44:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-04-27 18:44:48,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:48,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:48,989 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 35 states. [2022-04-27 18:44:48,989 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 35 states. [2022-04-27 18:44:48,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:48,992 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-04-27 18:44:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-04-27 18:44:48,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:48,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:48,993 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:44:48,993 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:44:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 9 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 18:44:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-04-27 18:44:48,996 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 33 [2022-04-27 18:44:48,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:44:48,997 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-04-27 18:44:48,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-27 18:44:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-27 18:44:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-27 18:44:48,998 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:44:48,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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] [2022-04-27 18:44:49,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-27 18:44:49,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:44:49,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:44:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:44:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1070211269, now seen corresponding path program 1 times [2022-04-27 18:44:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:44:49,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733073421] [2022-04-27 18:44:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:44:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:44:49,252 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:44:49,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1656224740] [2022-04-27 18:44:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:44:49,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:44:49,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:44:49,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:44:49,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 18:44:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:49,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-27 18:44:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:44:49,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:44:54,221 INFO L272 TraceCheckUtils]: 0: Hoare triple {415#true} [71] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {415#true} [73] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {415#true} is VALID [2022-04-27 18:44:54,222 INFO L290 TraceCheckUtils]: 2: Hoare triple {415#true} [76] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,222 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {415#true} {415#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,222 INFO L272 TraceCheckUtils]: 4: Hoare triple {415#true} [72] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,222 INFO L290 TraceCheckUtils]: 5: Hoare triple {415#true} [75] mainENTRY-->L26: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~z~0=v_main_~z~0_2, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~z~0, main_~k~0, main_~c~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:54,223 INFO L272 TraceCheckUtils]: 6: Hoare triple {415#true} [77] L26-->assume_abort_if_notENTRY: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,223 INFO L290 TraceCheckUtils]: 7: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:54,223 INFO L290 TraceCheckUtils]: 8: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,223 INFO L290 TraceCheckUtils]: 9: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,223 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {415#true} {415#true} [104] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,224 INFO L290 TraceCheckUtils]: 11: Hoare triple {415#true} [78] L26-1-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~k~0_2 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~k~0] {415#true} is VALID [2022-04-27 18:44:54,224 INFO L272 TraceCheckUtils]: 12: Hoare triple {415#true} [80] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,224 INFO L290 TraceCheckUtils]: 13: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:54,224 INFO L290 TraceCheckUtils]: 14: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,224 INFO L290 TraceCheckUtils]: 15: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,225 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {415#true} {415#true} [105] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,225 INFO L272 TraceCheckUtils]: 17: Hoare triple {415#true} [83] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,225 INFO L290 TraceCheckUtils]: 18: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:54,225 INFO L290 TraceCheckUtils]: 19: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,225 INFO L290 TraceCheckUtils]: 20: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {415#true} {415#true} [106] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L272 TraceCheckUtils]: 22: Hoare triple {415#true} [85] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L290 TraceCheckUtils]: 23: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L290 TraceCheckUtils]: 24: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L290 TraceCheckUtils]: 25: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,226 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {415#true} {415#true} [107] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:54,227 INFO L290 TraceCheckUtils]: 27: Hoare triple {415#true} [86] L30-->L36-2: Formula: (and (= v_main_~y~0_3 v_main_~z~0_7) (= v_main_~c~0_2 1) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_7} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_7} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:54,227 INFO L290 TraceCheckUtils]: 28: Hoare triple {415#true} [89] L36-2-->L37: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:54,227 INFO L272 TraceCheckUtils]: 29: Hoare triple {415#true} [91] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:54,228 INFO L290 TraceCheckUtils]: 30: Hoare triple {415#true} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {510#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:44:54,228 INFO L290 TraceCheckUtils]: 31: Hoare triple {510#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [98] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {514#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:44:54,229 INFO L290 TraceCheckUtils]: 32: Hoare triple {514#(not (= |__VERIFIER_assert_#in~cond| 0))} [102] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {514#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:44:54,230 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {514#(not (= |__VERIFIER_assert_#in~cond| 0))} {415#true} [109] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-27 18:44:54,230 INFO L290 TraceCheckUtils]: 34: Hoare triple {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [93] L37-1-->L36-3: Formula: (not (< v_main_~c~0_3 v_main_~k~0_5)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[] {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-27 18:44:54,290 INFO L290 TraceCheckUtils]: 35: Hoare triple {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [90] L36-3-->L50: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {528#(exists ((v_main_~x~0_11 Int) (main_~z~0 Int)) (and (= (+ (* v_main_~x~0_11 main_~z~0) 1) (+ v_main_~x~0_11 main_~y~0)) (= main_~x~0 (* v_main_~x~0_11 (+ (- 1) main_~z~0)))))} is VALID [2022-04-27 18:44:54,293 INFO L272 TraceCheckUtils]: 36: Hoare triple {528#(exists ((v_main_~x~0_11 Int) (main_~z~0 Int)) (and (= (+ (* v_main_~x~0_11 main_~z~0) 1) (+ v_main_~x~0_11 main_~y~0)) (= main_~x~0 (* v_main_~x~0_11 (+ (- 1) main_~z~0)))))} [92] L50-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {532#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:44:54,296 INFO L290 TraceCheckUtils]: 37: Hoare triple {532#(<= 1 |__VERIFIER_assert_#in~cond|)} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {536#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:44:54,297 INFO L290 TraceCheckUtils]: 38: Hoare triple {536#(<= 1 __VERIFIER_assert_~cond)} [97] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {416#false} is VALID [2022-04-27 18:44:54,297 INFO L290 TraceCheckUtils]: 39: Hoare triple {416#false} [100] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {416#false} is VALID [2022-04-27 18:44:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 18:44:54,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 18:44:56,755 INFO L290 TraceCheckUtils]: 39: Hoare triple {416#false} [100] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {416#false} is VALID [2022-04-27 18:44:56,756 INFO L290 TraceCheckUtils]: 38: Hoare triple {536#(<= 1 __VERIFIER_assert_~cond)} [97] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {416#false} is VALID [2022-04-27 18:44:56,757 INFO L290 TraceCheckUtils]: 37: Hoare triple {532#(<= 1 |__VERIFIER_assert_#in~cond|)} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {536#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:44:56,758 INFO L272 TraceCheckUtils]: 36: Hoare triple {552#(= (+ main_~x~0 1) main_~y~0)} [92] L50-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {532#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:44:56,758 INFO L290 TraceCheckUtils]: 35: Hoare triple {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [90] L36-3-->L50: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {552#(= (+ main_~x~0 1) main_~y~0)} is VALID [2022-04-27 18:44:56,759 INFO L290 TraceCheckUtils]: 34: Hoare triple {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [93] L37-1-->L36-3: Formula: (not (< v_main_~c~0_3 v_main_~k~0_5)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[] {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-27 18:44:56,760 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {514#(not (= |__VERIFIER_assert_#in~cond| 0))} {415#true} [109] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {521#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-27 18:44:56,760 INFO L290 TraceCheckUtils]: 32: Hoare triple {514#(not (= |__VERIFIER_assert_#in~cond| 0))} [102] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {514#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:44:56,761 INFO L290 TraceCheckUtils]: 31: Hoare triple {571#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [98] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {514#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:44:56,762 INFO L290 TraceCheckUtils]: 30: Hoare triple {415#true} [95] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {571#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 18:44:56,762 INFO L272 TraceCheckUtils]: 29: Hoare triple {415#true} [91] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~z~0_12 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:56,762 INFO L290 TraceCheckUtils]: 28: Hoare triple {415#true} [89] L36-2-->L37: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,762 INFO L290 TraceCheckUtils]: 27: Hoare triple {415#true} [86] L30-->L36-2: Formula: (and (= v_main_~y~0_3 v_main_~z~0_7) (= v_main_~c~0_2 1) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_7} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_7} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:56,762 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {415#true} {415#true} [107] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,762 INFO L290 TraceCheckUtils]: 25: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L290 TraceCheckUtils]: 24: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L290 TraceCheckUtils]: 23: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L272 TraceCheckUtils]: 22: Hoare triple {415#true} [85] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 v_main_~k~0_8) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {415#true} {415#true} [106] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L290 TraceCheckUtils]: 20: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,763 INFO L290 TraceCheckUtils]: 19: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L290 TraceCheckUtils]: 18: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L272 TraceCheckUtils]: 17: Hoare triple {415#true} [83] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 v_main_~z~0_11) 1 0)) InVars {main_~z~0=v_main_~z~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {415#true} {415#true} [105] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L290 TraceCheckUtils]: 15: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L290 TraceCheckUtils]: 14: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,764 INFO L290 TraceCheckUtils]: 13: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L272 TraceCheckUtils]: 12: Hoare triple {415#true} [80] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= 0 v_main_~k~0_7) (<= v_main_~k~0_7 50)) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L290 TraceCheckUtils]: 11: Hoare triple {415#true} [78] L26-1-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~k~0_2 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~k~0] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {415#true} {415#true} [104] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L290 TraceCheckUtils]: 9: Hoare triple {415#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L290 TraceCheckUtils]: 8: Hoare triple {415#true} [82] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,765 INFO L290 TraceCheckUtils]: 7: Hoare triple {415#true} [79] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {415#true} is VALID [2022-04-27 18:44:56,766 INFO L272 TraceCheckUtils]: 6: Hoare triple {415#true} [77] L26-->assume_abort_if_notENTRY: Formula: (= (ite (and (<= 0 v_main_~z~0_10) (<= v_main_~z~0_10 50)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {415#true} is VALID [2022-04-27 18:44:56,766 INFO L290 TraceCheckUtils]: 5: Hoare triple {415#true} [75] mainENTRY-->L26: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~z~0=v_main_~z~0_2, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~z~0, main_~k~0, main_~c~0, main_~y~0] {415#true} is VALID [2022-04-27 18:44:56,766 INFO L272 TraceCheckUtils]: 4: Hoare triple {415#true} [72] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,766 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {415#true} {415#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,766 INFO L290 TraceCheckUtils]: 2: Hoare triple {415#true} [76] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,767 INFO L290 TraceCheckUtils]: 1: Hoare triple {415#true} [73] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {415#true} is VALID [2022-04-27 18:44:56,767 INFO L272 TraceCheckUtils]: 0: Hoare triple {415#true} [71] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {415#true} is VALID [2022-04-27 18:44:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 18:44:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:44:56,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733073421] [2022-04-27 18:44:56,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:44:56,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656224740] [2022-04-27 18:44:56,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656224740] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 18:44:56,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 18:44:56,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-27 18:44:56,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822231206] [2022-04-27 18:44:56,768 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 18:44:56,769 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2022-04-27 18:44:56,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:44:56,770 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 18:44:56,800 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:56,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-27 18:44:56,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:44:56,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-27 18:44:56,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-27 18:44:56,801 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 18:44:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:56,999 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-27 18:44:56,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 18:44:56,999 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2022-04-27 18:44:57,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:44:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 18:44:57,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2022-04-27 18:44:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 18:44:57,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2022-04-27 18:44:57,004 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 30 transitions. [2022-04-27 18:44:57,056 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:44:57,056 INFO L225 Difference]: With dead ends: 31 [2022-04-27 18:44:57,056 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 18:44:57,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-27 18:44:57,058 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:44:57,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 102 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2022-04-27 18:44:57,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 18:44:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 18:44:57,059 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:44:57,059 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 18:44:57,059 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 18:44:57,059 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 18:44:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:57,060 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 18:44:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 18:44:57,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:57,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:57,060 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 18:44:57,060 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 18:44:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:44:57,060 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 18:44:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 18:44:57,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:57,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:44:57,060 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:44:57,060 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:44:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 18:44:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 18:44:57,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-04-27 18:44:57,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:44:57,061 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 18:44:57,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 18:44:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 18:44:57,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:44:57,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 18:44:57,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 18:44:57,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-27 18:44:57,286 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-27 18:44:57,288 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 18:44:57,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 06:44:57 BasicIcfg [2022-04-27 18:44:57,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 18:44:57,296 INFO L158 Benchmark]: Toolchain (without parser) took 10230.77ms. Allocated memory was 196.1MB in the beginning and 238.0MB in the end (delta: 41.9MB). Free memory was 137.5MB in the beginning and 175.7MB in the end (delta: -38.1MB). Peak memory consumption was 3.9MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,298 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 18:44:57,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.57ms. Allocated memory was 196.1MB in the beginning and 238.0MB in the end (delta: 41.9MB). Free memory was 137.3MB in the beginning and 209.2MB in the end (delta: -71.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,299 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 238.0MB. Free memory was 209.2MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,299 INFO L158 Benchmark]: RCFGBuilder took 282.36ms. Allocated memory is still 238.0MB. Free memory was 207.6MB in the beginning and 195.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,300 INFO L158 Benchmark]: IcfgTransformer took 30.72ms. Allocated memory is still 238.0MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,300 INFO L158 Benchmark]: TraceAbstraction took 9660.75ms. Allocated memory is still 238.0MB. Free memory was 192.9MB in the beginning and 175.7MB in the end (delta: 17.2MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. [2022-04-27 18:44:57,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 196.1MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.57ms. Allocated memory was 196.1MB in the beginning and 238.0MB in the end (delta: 41.9MB). Free memory was 137.3MB in the beginning and 209.2MB in the end (delta: -71.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 238.0MB. Free memory was 209.2MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 282.36ms. Allocated memory is still 238.0MB. Free memory was 207.6MB in the beginning and 195.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 30.72ms. Allocated memory is still 238.0MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 9660.75ms. Allocated memory is still 238.0MB. Free memory was 192.9MB in the beginning and 175.7MB in the end (delta: 17.2MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 81 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 1 QuantifiedInterpolants, 246 SizeOfPredicates, 4 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 98/100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-27 18:44:57,319 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...