/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/loop-invariants/bin-suffix-5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 17:02:33,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 17:02:33,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 17:02:33,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 17:02:33,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 17:02:33,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 17:02:33,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 17:02:33,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 17:02:33,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 17:02:33,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 17:02:33,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 17:02:33,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 17:02:33,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 17:02:33,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 17:02:33,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 17:02:33,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 17:02:33,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 17:02:33,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 17:02:33,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 17:02:33,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 17:02:33,765 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 17:02:33,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 17:02:33,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 17:02:33,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 17:02:33,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 17:02:33,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 17:02:33,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 17:02:33,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 17:02:33,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 17:02:33,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 17:02:33,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 17:02:33,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 17:02:33,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 17:02:33,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 17:02:33,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 17:02:33,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 17:02:33,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 17:02:33,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 17:02:33,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 17:02:33,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 17:02:33,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 17:02:33,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 17:02:33,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 17:02:33,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:02:33,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 17:02:33,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 17:02:33,793 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 17:02:33,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 17:02:33,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 17:02:34,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 17:02:34,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 17:02:34,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 17:02:34,004 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 17:02:34,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5.c [2022-04-27 17:02:34,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea2fb6d1/3b2b665ec28745e686f151ff8ab63ad2/FLAG9a1f6f8b4 [2022-04-27 17:02:34,422 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 17:02:34,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/bin-suffix-5.c [2022-04-27 17:02:34,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea2fb6d1/3b2b665ec28745e686f151ff8ab63ad2/FLAG9a1f6f8b4 [2022-04-27 17:02:34,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea2fb6d1/3b2b665ec28745e686f151ff8ab63ad2 [2022-04-27 17:02:34,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 17:02:34,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 17:02:34,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 17:02:34,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 17:02:34,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 17:02:34,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:02:34" (1/1) ... [2022-04-27 17:02:34,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76feacf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:34, skipping insertion in model container [2022-04-27 17:02:34,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:02:34" (1/1) ... [2022-04-27 17:02:34,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 17:02:34,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 17:02:34,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/bin-suffix-5.c[359,372] [2022-04-27 17:02:35,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:02:35,007 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 17:02:35,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/bin-suffix-5.c[359,372] [2022-04-27 17:02:35,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:02:35,029 INFO L208 MainTranslator]: Completed translation [2022-04-27 17:02:35,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35 WrapperNode [2022-04-27 17:02:35,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 17:02:35,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 17:02:35,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 17:02:35,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 17:02:35,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 17:02:35,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 17:02:35,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 17:02:35,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 17:02:35,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:02:35,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:02:35,072 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 17:02:35,084 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 17:02:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 17:02:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 17:02:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 17:02:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 17:02:35,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 17:02:35,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 17:02:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 17:02:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 17:02:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 17:02:35,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 17:02:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 17:02:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 17:02:35,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 17:02:35,151 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 17:02:35,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 17:02:35,265 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 17:02:35,269 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 17:02:35,269 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 17:02:35,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:35 BoogieIcfgContainer [2022-04-27 17:02:35,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 17:02:35,271 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 17:02:35,271 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 17:02:35,272 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 17:02:35,277 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:35" (1/1) ... [2022-04-27 17:02:35,285 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 17:02:35,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:02:35 BasicIcfg [2022-04-27 17:02:35,296 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 17:02:35,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 17:02:35,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 17:02:35,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 17:02:35,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 05:02:34" (1/4) ... [2022-04-27 17:02:35,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fd3eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:02:35, skipping insertion in model container [2022-04-27 17:02:35,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:35" (2/4) ... [2022-04-27 17:02:35,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fd3eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:02:35, skipping insertion in model container [2022-04-27 17:02:35,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:35" (3/4) ... [2022-04-27 17:02:35,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fd3eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:02:35, skipping insertion in model container [2022-04-27 17:02:35,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:02:35" (4/4) ... [2022-04-27 17:02:35,301 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.cJordan [2022-04-27 17:02:35,310 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 17:02:35,311 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 17:02:35,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 17:02:35,359 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@c55422e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78abfcbb [2022-04-27 17:02:35,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 17:02:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-27 17:02:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 17:02:35,372 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:02:35,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:02:35,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:02:35,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:02:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash -487068095, now seen corresponding path program 1 times [2022-04-27 17:02:35,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:02:35,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683116061] [2022-04-27 17:02:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:35,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:02:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:35,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 17:02:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:35,542 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= (select |v_#length_1| 2) 15) (= 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_#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] {23#true} is VALID [2022-04-27 17:02:35,542 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:35,543 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:35,544 INFO L272 TraceCheckUtils]: 0: Hoare triple {23#true} [41] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 17:02:35,548 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= (select |v_#length_1| 2) 15) (= 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_#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] {23#true} is VALID [2022-04-27 17:02:35,549 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:35,549 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:35,549 INFO L272 TraceCheckUtils]: 4: Hoare triple {23#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:35,549 INFO L290 TraceCheckUtils]: 5: Hoare triple {23#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 5) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {23#true} is VALID [2022-04-27 17:02:35,550 INFO L290 TraceCheckUtils]: 6: Hoare triple {23#true} [47] L13-3-->L13-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 17:02:35,550 INFO L272 TraceCheckUtils]: 7: Hoare triple {24#false} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (ite (= v_main_~x~0_5 0) 0 (ite (= v_main_~x~0_5 1) 1 v_~bitwiseAnd_4)) 4294967296) 5) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[v_~bitwiseAnd_4] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {24#false} is VALID [2022-04-27 17:02:35,551 INFO L290 TraceCheckUtils]: 8: Hoare triple {24#false} [53] __VERIFIER_assertENTRY-->L6: 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] {24#false} is VALID [2022-04-27 17:02:35,551 INFO L290 TraceCheckUtils]: 9: Hoare triple {24#false} [55] L6-->L7: 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[] {24#false} is VALID [2022-04-27 17:02:35,551 INFO L290 TraceCheckUtils]: 10: Hoare triple {24#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 17:02:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:02:35,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:02:35,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683116061] [2022-04-27 17:02:35,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683116061] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:02:35,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:02:35,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 17:02:35,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017637335] [2022-04-27 17:02:35,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:02:35,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 17:02:35,559 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:02:35,561 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,576 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:35,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 17:02:35,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:02:35,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 17:02:35,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 17:02:35,600 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:35,660 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-04-27 17:02:35,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 17:02:35,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 17:02:35,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:02:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-04-27 17:02:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-04-27 17:02:35,674 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 22 transitions. [2022-04-27 17:02:35,702 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:35,708 INFO L225 Difference]: With dead ends: 20 [2022-04-27 17:02:35,708 INFO L226 Difference]: Without dead ends: 13 [2022-04-27 17:02:35,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:02:35,712 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:02:35,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:02:35,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-04-27 17:02:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-04-27 17:02:35,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:02:35,732 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,733 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,733 INFO L87 Difference]: Start difference. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:35,737 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-27 17:02:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:35,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:35,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:35,739 INFO L74 IsIncluded]: Start isIncluded. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-27 17:02:35,739 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-27 17:02:35,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:35,744 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-27 17:02:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:35,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:35,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:35,745 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:02:35,745 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:02:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-04-27 17:02:35,747 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2022-04-27 17:02:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:02:35,747 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-04-27 17:02:35,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 17:02:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-27 17:02:35,748 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:02:35,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:02:35,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 17:02:35,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:02:35,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:02:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2110189820, now seen corresponding path program 1 times [2022-04-27 17:02:35,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:02:35,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191761953] [2022-04-27 17:02:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:02:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 17:02:35,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 17:02:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 17:02:35,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 17:02:35,832 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 17:02:35,834 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 17:02:35,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 17:02:35,837 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-27 17:02:35,839 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 17:02:35,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:02:35 BasicIcfg [2022-04-27 17:02:35,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 17:02:35,855 INFO L158 Benchmark]: Toolchain (without parser) took 1007.49ms. Allocated memory is still 232.8MB. Free memory was 180.0MB in the beginning and 160.0MB in the end (delta: 20.0MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,856 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 232.8MB. Free memory is still 196.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 17:02:35,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.61ms. Allocated memory is still 232.8MB. Free memory was 179.8MB in the beginning and 206.2MB in the end (delta: -26.4MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,860 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 232.8MB. Free memory was 206.2MB in the beginning and 204.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,860 INFO L158 Benchmark]: RCFGBuilder took 221.69ms. Allocated memory is still 232.8MB. Free memory was 204.8MB in the beginning and 194.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,860 INFO L158 Benchmark]: IcfgTransformer took 25.06ms. Allocated memory is still 232.8MB. Free memory was 194.6MB in the beginning and 193.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,862 INFO L158 Benchmark]: TraceAbstraction took 557.01ms. Allocated memory is still 232.8MB. Free memory was 192.6MB in the beginning and 160.0MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-04-27 17:02:35,869 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 0.09ms. Allocated memory is still 232.8MB. Free memory is still 196.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 170.61ms. Allocated memory is still 232.8MB. Free memory was 179.8MB in the beginning and 206.2MB in the end (delta: -26.4MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 232.8MB. Free memory was 206.2MB in the beginning and 204.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 221.69ms. Allocated memory is still 232.8MB. Free memory was 204.8MB in the beginning and 194.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 25.06ms. Allocated memory is still 232.8MB. Free memory was 194.6MB in the beginning and 193.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 557.01ms. Allocated memory is still 232.8MB. Free memory was 192.6MB in the beginning and 160.0MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; VAL [x=5] [L13] COND FALSE !(__VERIFIER_nondet_int()) [L16] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-04-27 17:02:35,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...