/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/fermat2-ll_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-14 21:41:09,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-14 21:41:09,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-14 21:41:09,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-14 21:41:09,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-14 21:41:09,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-14 21:41:09,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-14 21:41:09,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-14 21:41:09,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-14 21:41:09,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-14 21:41:09,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-14 21:41:09,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-14 21:41:09,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-14 21:41:09,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-14 21:41:09,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-14 21:41:09,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-14 21:41:09,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-14 21:41:09,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-14 21:41:09,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-14 21:41:09,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-14 21:41:09,931 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-14 21:41:09,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-14 21:41:09,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-14 21:41:09,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-14 21:41:09,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-14 21:41:09,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-14 21:41:09,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-14 21:41:09,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-14 21:41:09,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-14 21:41:09,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-14 21:41:09,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-14 21:41:09,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-14 21:41:09,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-14 21:41:09,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-14 21:41:09,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-14 21:41:09,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-14 21:41:09,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-14 21:41:09,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-14 21:41:09,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-14 21:41:09,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-14 21:41:09,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-14 21:41:09,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-14 21:41:09,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-14 21:41:09,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 21:41:09,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-14 21:41:09,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-14 21:41:09,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-14 21:41:09,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-14 21:41:10,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-14 21:41:10,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-14 21:41:10,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-14 21:41:10,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-14 21:41:10,169 INFO L275 PluginConnector]: CDTParser initialized [2022-04-14 21:41:10,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/fermat2-ll_valuebound20.c [2022-04-14 21:41:10,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f47ac7b/21ca00f45bd0470cad7f244f1bdad0a6/FLAG133006c50 [2022-04-14 21:41:10,544 INFO L306 CDTParser]: Found 1 translation units. [2022-04-14 21:41:10,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/fermat2-ll_valuebound20.c [2022-04-14 21:41:10,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f47ac7b/21ca00f45bd0470cad7f244f1bdad0a6/FLAG133006c50 [2022-04-14 21:41:10,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f47ac7b/21ca00f45bd0470cad7f244f1bdad0a6 [2022-04-14 21:41:10,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-14 21:41:10,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-14 21:41:10,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-14 21:41:10,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-14 21:41:10,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-14 21:41:10,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 09:41:10" (1/1) ... [2022-04-14 21:41:10,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26226d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:10, skipping insertion in model container [2022-04-14 21:41:10,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 09:41:10" (1/1) ... [2022-04-14 21:41:10,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-14 21:41:11,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-14 21:41:11,121 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/fermat2-ll_valuebound20.c[524,537] [2022-04-14 21:41:11,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 21:41:11,161 INFO L203 MainTranslator]: Completed pre-run [2022-04-14 21:41:11,173 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/fermat2-ll_valuebound20.c[524,537] [2022-04-14 21:41:11,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 21:41:11,189 INFO L208 MainTranslator]: Completed translation [2022-04-14 21:41:11,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11 WrapperNode [2022-04-14 21:41:11,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-14 21:41:11,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-14 21:41:11,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-14 21:41:11,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-14 21:41:11,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-14 21:41:11,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-14 21:41:11,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-14 21:41:11,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-14 21:41:11,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 21:41:11,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:41:11,252 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) [2022-04-14 21:41:11,276 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 [2022-04-14 21:41:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-14 21:41:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-14 21:41:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-14 21:41:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-14 21:41:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-14 21:41:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-14 21:41:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-14 21:41:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-14 21:41:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-14 21:41:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-14 21:41:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-14 21:41:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-14 21:41:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-14 21:41:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-14 21:41:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-14 21:41:11,341 INFO L234 CfgBuilder]: Building ICFG [2022-04-14 21:41:11,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-14 21:41:11,509 INFO L275 CfgBuilder]: Performing block encoding [2022-04-14 21:41:11,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-14 21:41:11,514 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-14 21:41:11,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:41:11 BoogieIcfgContainer [2022-04-14 21:41:11,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-14 21:41:11,516 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-14 21:41:11,516 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-14 21:41:11,516 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-14 21:41:11,518 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:41:11" (1/1) ... [2022-04-14 21:41:11,519 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-14 21:41:11,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 09:41:11 BasicIcfg [2022-04-14 21:41:11,559 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-14 21:41:11,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-14 21:41:11,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-14 21:41:11,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-14 21:41:11,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 09:41:10" (1/4) ... [2022-04-14 21:41:11,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1397ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 09:41:11, skipping insertion in model container [2022-04-14 21:41:11,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:41:11" (2/4) ... [2022-04-14 21:41:11,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1397ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 09:41:11, skipping insertion in model container [2022-04-14 21:41:11,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:41:11" (3/4) ... [2022-04-14 21:41:11,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1397ad08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 09:41:11, skipping insertion in model container [2022-04-14 21:41:11,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 09:41:11" (4/4) ... [2022-04-14 21:41:11,565 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound20.cJordan [2022-04-14 21:41:11,568 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-14 21:41:11,568 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-14 21:41:11,592 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-14 21:41:11,597 INFO L340 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 [2022-04-14 21:41:11,597 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-14 21:41:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-04-14 21:41:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-14 21:41:11,616 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:41:11,616 INFO L499 BasicCegarLoop]: 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] [2022-04-14 21:41:11,616 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:41:11,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:41:11,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1450325676, now seen corresponding path program 1 times [2022-04-14 21:41:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:41:11,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103608327] [2022-04-14 21:41:11,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:41:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:41:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-14 21:41:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,785 INFO L290 TraceCheckUtils]: 0: Hoare triple {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [78] 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) 13) (= (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 [2022-04-14 21:41:11,785 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [81] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-14 21:41:11,785 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} [109] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-14 21:41:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-14 21:41:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,796 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,797 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {35#true} [110] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-14 21:41:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-14 21:41:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,807 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,808 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,808 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,808 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [111] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {36#false} is VALID [2022-04-14 21:41:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-14 21:41:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,814 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,815 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,815 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,815 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [112] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {36#false} is VALID [2022-04-14 21:41:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-14 21:41:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:11,824 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,825 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,825 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,825 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {36#false} [113] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-14 21:41:11,827 INFO L272 TraceCheckUtils]: 0: Hoare triple {35#true} [76] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-14 21:41:11,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {56#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [78] 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) 13) (= (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 [2022-04-14 21:41:11,828 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [81] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-14 21:41:11,828 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} [109] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-14 21:41:11,828 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [77] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-14 21:41:11,828 INFO L290 TraceCheckUtils]: 5: Hoare triple {35#true} [80] mainENTRY-->L23: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~u~0=v_main_~u~0_4, main_~R~0=v_main_~R~0_1, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~A~0, main_~u~0, main_~R~0, main_~r~0] {35#true} is VALID [2022-04-14 21:41:11,829 INFO L272 TraceCheckUtils]: 6: Hoare triple {35#true} [82] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-14 21:41:11,829 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,830 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,830 INFO L290 TraceCheckUtils]: 9: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,830 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {36#false} {35#true} [110] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-14 21:41:11,830 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} [83] L23-1-->L25: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~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_~R~0=v_main_~R~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~R~0] {36#false} is VALID [2022-04-14 21:41:11,830 INFO L272 TraceCheckUtils]: 12: Hoare triple {36#false} [85] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {35#true} is VALID [2022-04-14 21:41:11,831 INFO L290 TraceCheckUtils]: 13: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,832 INFO L290 TraceCheckUtils]: 14: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,832 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,832 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {36#false} {36#false} [111] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {36#false} is VALID [2022-04-14 21:41:11,832 INFO L272 TraceCheckUtils]: 17: Hoare triple {36#false} [88] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {35#true} is VALID [2022-04-14 21:41:11,833 INFO L290 TraceCheckUtils]: 18: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,833 INFO L290 TraceCheckUtils]: 19: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,833 INFO L290 TraceCheckUtils]: 20: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,834 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {36#false} {36#false} [112] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {36#false} is VALID [2022-04-14 21:41:11,836 INFO L272 TraceCheckUtils]: 22: Hoare triple {36#false} [90] L27-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-14 21:41:11,837 INFO L290 TraceCheckUtils]: 23: Hoare triple {35#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:11,837 INFO L290 TraceCheckUtils]: 24: Hoare triple {35#true} [86] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,837 INFO L290 TraceCheckUtils]: 25: Hoare triple {36#false} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,838 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {36#false} {36#false} [113] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-14 21:41:11,839 INFO L290 TraceCheckUtils]: 27: Hoare triple {36#false} [91] L29-->L39-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_8)))) InVars {main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {36#false} is VALID [2022-04-14 21:41:11,839 INFO L290 TraceCheckUtils]: 28: Hoare triple {36#false} [92] L39-2-->L35-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,839 INFO L272 TraceCheckUtils]: 29: Hoare triple {36#false} [95] L35-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_14 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_14, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {36#false} is VALID [2022-04-14 21:41:11,839 INFO L290 TraceCheckUtils]: 30: Hoare triple {36#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {36#false} is VALID [2022-04-14 21:41:11,839 INFO L290 TraceCheckUtils]: 31: Hoare triple {36#false} [102] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,840 INFO L290 TraceCheckUtils]: 32: Hoare triple {36#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-14 21:41:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-14 21:41:11,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:41:11,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103608327] [2022-04-14 21:41:11,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103608327] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 21:41:11,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 21:41:11,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-14 21:41:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266008179] [2022-04-14 21:41:11,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 21:41:11,846 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 [2022-04-14 21:41:11,847 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:41:11,849 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) [2022-04-14 21:41:11,886 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:11,886 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-14 21:41:11,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:41:11,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-14 21:41:11,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 21:41:11,905 INFO L87 Difference]: Start difference. First operand has 32 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-04-14 21:41:12,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:12,025 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2022-04-14 21:41:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-14 21:41:12,029 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 [2022-04-14 21:41:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:41:12,031 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) [2022-04-14 21:41:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2022-04-14 21:41:12,038 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) [2022-04-14 21:41:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2022-04-14 21:41:12,043 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 41 transitions. [2022-04-14 21:41:12,090 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:12,097 INFO L225 Difference]: With dead ends: 32 [2022-04-14 21:41:12,098 INFO L226 Difference]: Without dead ends: 27 [2022-04-14 21:41:12,099 INFO L912 BasicCegarLoop]: 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 [2022-04-14 21:41:12,103 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34 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 [2022-04-14 21:41:12,104 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 21:41:12,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-14 21:41:12,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-14 21:41:12,127 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:41:12,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-14 21:41:12,128 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-14 21:41:12,128 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-14 21:41:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:12,131 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-04-14 21:41:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-04-14 21:41:12,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:12,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:12,134 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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. [2022-04-14 21:41:12,134 INFO L87 Difference]: Start difference. First operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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. [2022-04-14 21:41:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:12,138 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-04-14 21:41:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-04-14 21:41:12,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:12,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:12,140 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:41:12,140 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:41:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-14 21:41:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-04-14 21:41:12,147 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 33 [2022-04-14 21:41:12,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:41:12,147 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-04-14 21:41:12,148 INFO L479 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) [2022-04-14 21:41:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-04-14 21:41:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-14 21:41:12,150 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:41:12,150 INFO L499 BasicCegarLoop]: 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] [2022-04-14 21:41:12,150 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-14 21:41:12,150 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:41:12,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:41:12,154 INFO L85 PathProgramCache]: Analyzing trace with hash 512475503, now seen corresponding path program 1 times [2022-04-14 21:41:12,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:41:12,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58451024] [2022-04-14 21:41:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:41:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:41:12,174 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 21:41:12,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732469264] [2022-04-14 21:41:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:41:12,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:41:12,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:41:12,177 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) [2022-04-14 21:41:12,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-14 21:41:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:12,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-14 21:41:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:12,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 21:41:13,788 INFO L272 TraceCheckUtils]: 0: Hoare triple {172#true} [76] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,789 INFO L290 TraceCheckUtils]: 1: Hoare triple {172#true} [78] 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) 13) (= (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 [2022-04-14 21:41:13,789 INFO L290 TraceCheckUtils]: 2: Hoare triple {172#true} [81] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,789 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {172#true} {172#true} [109] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,789 INFO L272 TraceCheckUtils]: 4: Hoare triple {172#true} [77] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,789 INFO L290 TraceCheckUtils]: 5: Hoare triple {172#true} [80] mainENTRY-->L23: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~u~0=v_main_~u~0_4, main_~R~0=v_main_~R~0_1, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~A~0, main_~u~0, main_~R~0, main_~r~0] {172#true} is VALID [2022-04-14 21:41:13,790 INFO L272 TraceCheckUtils]: 6: Hoare triple {172#true} [82] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-14 21:41:13,790 INFO L290 TraceCheckUtils]: 7: Hoare triple {172#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:13,790 INFO L290 TraceCheckUtils]: 8: Hoare triple {172#true} [87] L9-->L9-2: 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 [2022-04-14 21:41:13,790 INFO L290 TraceCheckUtils]: 9: Hoare triple {172#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,790 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {172#true} {172#true} [110] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-14 21:41:13,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {172#true} [83] L23-1-->L25: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~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_~R~0=v_main_~R~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~R~0] {172#true} is VALID [2022-04-14 21:41:13,791 INFO L272 TraceCheckUtils]: 12: Hoare triple {172#true} [85] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {172#true} is VALID [2022-04-14 21:41:13,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {172#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:13,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {172#true} [87] L9-->L9-2: 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 [2022-04-14 21:41:13,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {172#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,791 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {172#true} {172#true} [111] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {172#true} is VALID [2022-04-14 21:41:13,791 INFO L272 TraceCheckUtils]: 17: Hoare triple {172#true} [88] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {172#true} is VALID [2022-04-14 21:41:13,792 INFO L290 TraceCheckUtils]: 18: Hoare triple {172#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:13,792 INFO L290 TraceCheckUtils]: 19: Hoare triple {172#true} [87] L9-->L9-2: 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 [2022-04-14 21:41:13,792 INFO L290 TraceCheckUtils]: 20: Hoare triple {172#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,792 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {172#true} {172#true} [112] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {172#true} is VALID [2022-04-14 21:41:13,792 INFO L272 TraceCheckUtils]: 22: Hoare triple {172#true} [90] L27-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-14 21:41:13,792 INFO L290 TraceCheckUtils]: 23: Hoare triple {172#true} [84] assume_abort_if_notENTRY-->L9: 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 [2022-04-14 21:41:13,793 INFO L290 TraceCheckUtils]: 24: Hoare triple {172#true} [87] L9-->L9-2: 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 [2022-04-14 21:41:13,793 INFO L290 TraceCheckUtils]: 25: Hoare triple {172#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {172#true} is VALID [2022-04-14 21:41:13,793 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {172#true} {172#true} [113] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {172#true} is VALID [2022-04-14 21:41:14,920 INFO L290 TraceCheckUtils]: 27: Hoare triple {172#true} [91] L29-->L39-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_8)))) InVars {main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {258#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} is VALID [2022-04-14 21:41:14,921 INFO L290 TraceCheckUtils]: 28: Hoare triple {258#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} [94] L39-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {258#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} is VALID [2022-04-14 21:41:15,201 INFO L272 TraceCheckUtils]: 29: Hoare triple {258#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} [96] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2)) (+ (* v_main_~A~0_13 4) (* v_main_~r~0_10 4))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_13, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {265#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:41:15,202 INFO L290 TraceCheckUtils]: 30: Hoare triple {265#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {269#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:41:15,202 INFO L290 TraceCheckUtils]: 31: Hoare triple {269#(<= 1 __VERIFIER_assert_~cond)} [102] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {173#false} is VALID [2022-04-14 21:41:15,202 INFO L290 TraceCheckUtils]: 32: Hoare triple {173#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {173#false} is VALID [2022-04-14 21:41:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-14 21:41:15,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 21:41:15,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:41:15,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58451024] [2022-04-14 21:41:15,203 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 21:41:15,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732469264] [2022-04-14 21:41:15,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732469264] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 21:41:15,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 21:41:15,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-14 21:41:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892552383] [2022-04-14 21:41:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 21:41:15,205 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 [2022-04-14 21:41:15,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:41:15,205 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) [2022-04-14 21:41:17,859 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:17,859 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-14 21:41:17,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:41:17,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-14 21:41:17,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-14 21:41:17,860 INFO L87 Difference]: Start difference. First operand 27 states and 32 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) [2022-04-14 21:41:19,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-14 21:41:21,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-14 21:41:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:22,001 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-04-14 21:41:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-14 21:41:22,002 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 [2022-04-14 21:41:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:41:22,002 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) [2022-04-14 21:41:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2022-04-14 21:41:22,004 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) [2022-04-14 21:41:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2022-04-14 21:41:22,005 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 44 transitions. [2022-04-14 21:41:25,757 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 43 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:25,758 INFO L225 Difference]: With dead ends: 36 [2022-04-14 21:41:25,758 INFO L226 Difference]: Without dead ends: 36 [2022-04-14 21:41:25,759 INFO L912 BasicCegarLoop]: 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 [2022-04-14 21:41:25,759 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-04-14 21:41:25,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 93 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-04-14 21:41:25,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-04-14 21:41:25,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2022-04-14 21:41:25,763 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:41:25,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-04-14 21:41:25,764 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-04-14 21:41:25,764 INFO L87 Difference]: Start difference. First operand 36 states. Second operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-04-14 21:41:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:25,766 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-04-14 21:41:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-04-14 21:41:25,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:25,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:25,767 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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 36 states. [2022-04-14 21:41:25,767 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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 36 states. [2022-04-14 21:41:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:25,770 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-04-14 21:41:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-04-14 21:41:25,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:25,770 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:25,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:41:25,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:41:25,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-04-14 21:41:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-04-14 21:41:25,773 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 33 [2022-04-14 21:41:25,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:41:25,773 INFO L478 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-04-14 21:41:25,773 INFO L479 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) [2022-04-14 21:41:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-04-14 21:41:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-14 21:41:25,774 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:41:25,774 INFO L499 BasicCegarLoop]: 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] [2022-04-14 21:41:25,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-14 21:41:25,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:41:25,975 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:41:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:41:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash -397056057, now seen corresponding path program 1 times [2022-04-14 21:41:25,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:41:25,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616054434] [2022-04-14 21:41:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:41:25,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:41:25,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 21:41:25,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120440922] [2022-04-14 21:41:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:41:25,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:41:25,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:41:25,993 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) [2022-04-14 21:41:25,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-14 21:41:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:26,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-14 21:41:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:41:26,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 21:41:26,235 INFO L272 TraceCheckUtils]: 0: Hoare triple {418#true} [76] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,235 INFO L290 TraceCheckUtils]: 1: Hoare triple {418#true} [78] 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) 13) (= (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] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L290 TraceCheckUtils]: 2: Hoare triple {418#true} [81] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {418#true} {418#true} [109] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L272 TraceCheckUtils]: 4: Hoare triple {418#true} [77] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L290 TraceCheckUtils]: 5: Hoare triple {418#true} [80] mainENTRY-->L23: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~u~0=v_main_~u~0_4, main_~R~0=v_main_~R~0_1, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~A~0, main_~u~0, main_~R~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L272 TraceCheckUtils]: 6: Hoare triple {418#true} [82] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,236 INFO L290 TraceCheckUtils]: 7: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L290 TraceCheckUtils]: 8: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L290 TraceCheckUtils]: 9: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {418#true} {418#true} [110] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L290 TraceCheckUtils]: 11: Hoare triple {418#true} [83] L23-1-->L25: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~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_~R~0=v_main_~R~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L272 TraceCheckUtils]: 12: Hoare triple {418#true} [85] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,237 INFO L290 TraceCheckUtils]: 13: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L290 TraceCheckUtils]: 14: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L290 TraceCheckUtils]: 15: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {418#true} {418#true} [111] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L272 TraceCheckUtils]: 17: Hoare triple {418#true} [88] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L290 TraceCheckUtils]: 18: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L290 TraceCheckUtils]: 19: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,238 INFO L290 TraceCheckUtils]: 20: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,239 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {418#true} {418#true} [112] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,239 INFO L272 TraceCheckUtils]: 22: Hoare triple {418#true} [90] L27-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,239 INFO L290 TraceCheckUtils]: 23: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,239 INFO L290 TraceCheckUtils]: 24: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,239 INFO L290 TraceCheckUtils]: 25: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,240 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {418#true} {418#true} [113] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,240 INFO L290 TraceCheckUtils]: 27: Hoare triple {418#true} [91] L29-->L39-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_8)))) InVars {main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,240 INFO L290 TraceCheckUtils]: 28: Hoare triple {418#true} [94] L39-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,240 INFO L272 TraceCheckUtils]: 29: Hoare triple {418#true} [96] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2)) (+ (* v_main_~A~0_13 4) (* v_main_~r~0_10 4))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_13, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,241 INFO L290 TraceCheckUtils]: 30: Hoare triple {418#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {513#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:41:26,241 INFO L290 TraceCheckUtils]: 31: Hoare triple {513#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [103] L12-->L12-2: Formula: (not (= 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[] {517#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:41:26,241 INFO L290 TraceCheckUtils]: 32: Hoare triple {517#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {517#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:41:26,242 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {517#(not (= |__VERIFIER_assert_#in~cond| 0))} {418#true} [115] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2)) (+ (* v_main_~A~0_13 4) (* v_main_~r~0_10 4))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_13, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {524#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4) (* main_~r~0 4)))} is VALID [2022-04-14 21:41:26,243 INFO L290 TraceCheckUtils]: 34: Hoare triple {524#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4) (* main_~r~0 4)))} [99] L36-1-->L35-2: Formula: (= v_main_~r~0_8 0) InVars {main_~r~0=v_main_~r~0_8} OutVars{main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {528#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} is VALID [2022-04-14 21:41:26,244 INFO L272 TraceCheckUtils]: 35: Hoare triple {528#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} [95] L35-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_14 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_14, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {532#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:41:26,245 INFO L290 TraceCheckUtils]: 36: Hoare triple {532#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {536#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:41:26,245 INFO L290 TraceCheckUtils]: 37: Hoare triple {536#(<= 1 __VERIFIER_assert_~cond)} [102] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {419#false} is VALID [2022-04-14 21:41:26,245 INFO L290 TraceCheckUtils]: 38: Hoare triple {419#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {419#false} is VALID [2022-04-14 21:41:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-14 21:41:26,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-14 21:41:26,621 INFO L290 TraceCheckUtils]: 38: Hoare triple {419#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {419#false} is VALID [2022-04-14 21:41:26,621 INFO L290 TraceCheckUtils]: 37: Hoare triple {536#(<= 1 __VERIFIER_assert_~cond)} [102] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {419#false} is VALID [2022-04-14 21:41:26,631 INFO L290 TraceCheckUtils]: 36: Hoare triple {532#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {536#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:41:26,632 INFO L272 TraceCheckUtils]: 35: Hoare triple {528#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} [95] L35-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_14 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_14, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {532#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:41:26,632 INFO L290 TraceCheckUtils]: 34: Hoare triple {555#(or (not (= main_~r~0 0)) (= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4))))} [99] L36-1-->L35-2: Formula: (= v_main_~r~0_8 0) InVars {main_~r~0=v_main_~r~0_8} OutVars{main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {528#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} is VALID [2022-04-14 21:41:26,633 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {517#(not (= |__VERIFIER_assert_#in~cond| 0))} {418#true} [115] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2)) (+ (* v_main_~A~0_13 4) (* v_main_~r~0_10 4))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_13, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {555#(or (not (= main_~r~0 0)) (= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4))))} is VALID [2022-04-14 21:41:26,634 INFO L290 TraceCheckUtils]: 32: Hoare triple {517#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {517#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:41:26,634 INFO L290 TraceCheckUtils]: 31: Hoare triple {568#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [103] L12-->L12-2: Formula: (not (= 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[] {517#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:41:26,634 INFO L290 TraceCheckUtils]: 30: Hoare triple {418#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {568#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-14 21:41:26,635 INFO L272 TraceCheckUtils]: 29: Hoare triple {418#true} [96] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2)) (+ (* v_main_~A~0_13 4) (* v_main_~r~0_10 4))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_13, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L290 TraceCheckUtils]: 28: Hoare triple {418#true} [94] L39-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L290 TraceCheckUtils]: 27: Hoare triple {418#true} [91] L29-->L39-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_8)))) InVars {main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_8, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {418#true} {418#true} [113] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L290 TraceCheckUtils]: 25: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L290 TraceCheckUtils]: 24: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,635 INFO L290 TraceCheckUtils]: 23: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L272 TraceCheckUtils]: 22: Hoare triple {418#true} [90] L27-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (= (let ((.cse0 (mod v_main_~A~0_12 2))) (ite (and (< v_main_~A~0_12 0) (not (= .cse0 0))) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {418#true} {418#true} [112] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L290 TraceCheckUtils]: 20: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L290 TraceCheckUtils]: 19: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L290 TraceCheckUtils]: 18: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L272 TraceCheckUtils]: 17: Hoare triple {418#true} [88] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (< (+ (* v_main_~R~0_7 v_main_~R~0_7) 1) (+ (* v_main_~R~0_7 2) v_main_~A~0_11)) 1 0)) InVars {main_~A~0=v_main_~A~0_11, main_~R~0=v_main_~R~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {418#true} {418#true} [111] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,636 INFO L290 TraceCheckUtils]: 14: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L290 TraceCheckUtils]: 13: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L272 TraceCheckUtils]: 12: Hoare triple {418#true} [85] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (and (<= v_main_~R~0_6 20) (<= 0 v_main_~R~0_6)) 1 0)) InVars {main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L290 TraceCheckUtils]: 11: Hoare triple {418#true} [83] L23-1-->L25: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~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_~R~0=v_main_~R~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~R~0] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {418#true} {418#true} [110] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {418#true} [89] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L290 TraceCheckUtils]: 8: Hoare triple {418#true} [87] L9-->L9-2: 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[] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L290 TraceCheckUtils]: 7: Hoare triple {418#true} [84] assume_abort_if_notENTRY-->L9: 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] {418#true} is VALID [2022-04-14 21:41:26,637 INFO L272 TraceCheckUtils]: 6: Hoare triple {418#true} [82] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= v_main_~A~0_10 20) (<= 0 v_main_~A~0_10)) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L290 TraceCheckUtils]: 5: Hoare triple {418#true} [80] mainENTRY-->L23: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~u~0=v_main_~u~0_4, main_~R~0=v_main_~R~0_1, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~A~0, main_~u~0, main_~R~0, main_~r~0] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L272 TraceCheckUtils]: 4: Hoare triple {418#true} [77] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {418#true} {418#true} [109] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L290 TraceCheckUtils]: 2: Hoare triple {418#true} [81] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {418#true} [78] 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) 13) (= (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] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L272 TraceCheckUtils]: 0: Hoare triple {418#true} [76] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {418#true} is VALID [2022-04-14 21:41:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-14 21:41:26,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:41:26,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616054434] [2022-04-14 21:41:26,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 21:41:26,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120440922] [2022-04-14 21:41:26,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120440922] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-14 21:41:26,639 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-14 21:41:26,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-14 21:41:26,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111095277] [2022-04-14 21:41:26,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-14 21:41:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 39 [2022-04-14 21:41:26,640 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:41:26,640 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-14 21:41:26,665 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:26,665 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-14 21:41:26,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:41:26,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-14 21:41:26,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-14 21:41:26,666 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-14 21:41:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:26,924 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-04-14 21:41:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-14 21:41:26,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) Word has length 39 [2022-04-14 21:41:26,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:41:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-14 21:41:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2022-04-14 21:41:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-14 21:41:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2022-04-14 21:41:26,927 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 31 transitions. [2022-04-14 21:41:26,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:41:26,959 INFO L225 Difference]: With dead ends: 31 [2022-04-14 21:41:26,959 INFO L226 Difference]: Without dead ends: 0 [2022-04-14 21:41:26,959 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-14 21:41:26,960 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-14 21:41:26,960 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 114 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-14 21:41:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-14 21:41:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-14 21:41:26,961 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:41:26,961 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) [2022-04-14 21:41:26,961 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) [2022-04-14 21:41:26,961 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) [2022-04-14 21:41:26,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:26,961 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-14 21:41:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:41:26,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:26,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:26,961 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. [2022-04-14 21:41:26,961 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. [2022-04-14 21:41:26,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:41:26,961 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-14 21:41:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:41:26,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:26,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:41:26,962 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:41:26,962 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:41:26,962 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) [2022-04-14 21:41:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-14 21:41:26,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-04-14 21:41:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:41:26,962 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-14 21:41:26,962 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-14 21:41:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:41:26,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:41:26,964 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-14 21:41:26,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-14 21:41:27,173 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-14 21:41:27,176 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-14 21:41:27,177 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-14 21:41:27,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 09:41:27 BasicIcfg [2022-04-14 21:41:27,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-14 21:41:27,180 INFO L158 Benchmark]: Toolchain (without parser) took 16197.50ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 132.4MB in the beginning and 91.8MB in the end (delta: 40.5MB). Peak memory consumption was 121.7MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,180 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 149.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 21:41:27,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.30ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 158.9MB in the end (delta: -26.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,180 INFO L158 Benchmark]: Boogie Preprocessor took 34.84ms. Allocated memory is still 182.5MB. Free memory was 158.9MB in the beginning and 157.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,181 INFO L158 Benchmark]: RCFGBuilder took 289.20ms. Allocated memory is still 182.5MB. Free memory was 157.4MB in the beginning and 145.8MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,181 INFO L158 Benchmark]: IcfgTransformer took 43.30ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 144.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,181 INFO L158 Benchmark]: TraceAbstraction took 15618.98ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 143.6MB in the beginning and 91.8MB in the end (delta: 51.7MB). Peak memory consumption was 133.5MB. Max. memory is 8.0GB. [2022-04-14 21:41:27,182 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 0.10ms. Allocated memory is still 182.5MB. Free memory was 149.2MB in the beginning and 149.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 206.30ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 158.9MB in the end (delta: -26.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.84ms. Allocated memory is still 182.5MB. Free memory was 158.9MB in the beginning and 157.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 289.20ms. Allocated memory is still 182.5MB. Free memory was 157.4MB in the beginning and 145.8MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 43.30ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 144.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 15618.98ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 143.6MB in the beginning and 91.8MB in the end (delta: 51.7MB). Peak memory consumption was 133.5MB. 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 - PositiveResult [Line: 14]: 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: 15.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 241 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 80 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 9 NumberOfNonLiveVariables, 209 ConjunctsInSsa, 21 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! [2022-04-14 21:41:27,215 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...