/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/ps4-ll_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 20:49:46,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 20:49:46,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 20:49:46,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 20:49:46,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 20:49:46,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 20:49:46,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 20:49:46,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 20:49:46,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 20:49:46,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 20:49:46,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 20:49:46,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 20:49:46,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 20:49:46,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 20:49:46,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 20:49:46,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 20:49:46,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 20:49:46,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 20:49:46,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 20:49:46,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 20:49:46,177 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 20:49:46,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 20:49:46,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 20:49:46,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 20:49:46,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 20:49:46,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 20:49:46,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-07 20:49:46,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-07 20:49:46,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-07 20:49:46,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-07 20:49:46,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-07 20:49:46,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-07 20:49:46,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-07 20:49:46,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-07 20:49:46,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 20:49:46,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 20:49:46,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 20:49:46,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 20:49:46,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 20:49:46,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 20:49:46,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 20:49:46,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 20:49:46,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 20:49:46,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 20:49:46,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:49:46,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 20:49:46,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 20:49:46,208 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 20:49:46,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 20:49:46,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 20:49:46,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 20:49:46,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 20:49:46,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 20:49:46,347 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 20:49:46,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-07 20:49:46,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be271201/f66ef1ba8cab4f8c9266d24c8d588248/FLAG2be14b5b8 [2022-04-07 20:49:46,726 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 20:49:46,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-07 20:49:46,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be271201/f66ef1ba8cab4f8c9266d24c8d588248/FLAG2be14b5b8 [2022-04-07 20:49:47,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be271201/f66ef1ba8cab4f8c9266d24c8d588248 [2022-04-07 20:49:47,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 20:49:47,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 20:49:47,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 20:49:47,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 20:49:47,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 20:49:47,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4178e2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47, skipping insertion in model container [2022-04-07 20:49:47,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 20:49:47,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 20:49:47,334 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/ps4-ll_unwindbound5.c[458,471] [2022-04-07 20:49:47,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:49:47,364 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 20:49:47,375 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/ps4-ll_unwindbound5.c[458,471] [2022-04-07 20:49:47,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:49:47,396 INFO L208 MainTranslator]: Completed translation [2022-04-07 20:49:47,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47 WrapperNode [2022-04-07 20:49:47,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 20:49:47,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 20:49:47,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 20:49:47,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 20:49:47,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 20:49:47,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 20:49:47,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 20:49:47,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 20:49:47,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:49:47,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:47,450 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) [2022-04-07 20:49:47,483 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 [2022-04-07 20:49:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 20:49:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 20:49:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 20:49:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-07 20:49:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-07 20:49:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-07 20:49:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 20:49:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 20:49:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 20:49:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 20:49:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 20:49:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 20:49:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 20:49:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 20:49:47,551 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 20:49:47,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 20:49:47,659 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 20:49:47,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 20:49:47,663 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-07 20:49:47,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:49:47 BoogieIcfgContainer [2022-04-07 20:49:47,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 20:49:47,664 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 20:49:47,664 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 20:49:47,665 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 20:49:47,667 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:49:47" (1/1) ... [2022-04-07 20:49:47,668 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 20:49:47,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:49:47 BasicIcfg [2022-04-07 20:49:47,681 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 20:49:47,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 20:49:47,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 20:49:47,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 20:49:47,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 08:49:47" (1/4) ... [2022-04-07 20:49:47,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7777e284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:49:47, skipping insertion in model container [2022-04-07 20:49:47,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:49:47" (2/4) ... [2022-04-07 20:49:47,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7777e284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:49:47, skipping insertion in model container [2022-04-07 20:49:47,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:49:47" (3/4) ... [2022-04-07 20:49:47,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7777e284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 08:49:47, skipping insertion in model container [2022-04-07 20:49:47,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:49:47" (4/4) ... [2022-04-07 20:49:47,685 INFO L111 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound5.cJordan [2022-04-07 20:49:47,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 20:49:47,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 20:49:47,712 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 20:49:47,718 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 [2022-04-07 20:49:47,718 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 20:49:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:49:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-07 20:49:47,735 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:47,736 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:47,736 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:47,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:47,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1984627219, now seen corresponding path program 1 times [2022-04-07 20:49:47,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:47,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379131085] [2022-04-07 20:49:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:47,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 20:49:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:47,844 INFO L290 TraceCheckUtils]: 0: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {26#true} is VALID [2022-04-07 20:49:47,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-07 20:49:47,844 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-07 20:49:47,846 INFO L272 TraceCheckUtils]: 0: Hoare triple {26#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 20:49:47,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {26#true} is VALID [2022-04-07 20:49:47,846 INFO L290 TraceCheckUtils]: 2: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-07 20:49:47,846 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-07 20:49:47,846 INFO L272 TraceCheckUtils]: 4: Hoare triple {26#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-07 20:49:47,847 INFO L290 TraceCheckUtils]: 5: Hoare triple {26#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {26#true} is VALID [2022-04-07 20:49:47,847 INFO L290 TraceCheckUtils]: 6: Hoare triple {26#true} [66] L27-3-->L27-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-07 20:49:47,847 INFO L272 TraceCheckUtils]: 7: Hoare triple {27#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {27#false} is VALID [2022-04-07 20:49:47,848 INFO L290 TraceCheckUtils]: 8: Hoare triple {27#false} [72] __VERIFIER_assertENTRY-->L10: 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] {27#false} is VALID [2022-04-07 20:49:47,848 INFO L290 TraceCheckUtils]: 9: Hoare triple {27#false} [75] L10-->L11: 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[] {27#false} is VALID [2022-04-07 20:49:47,848 INFO L290 TraceCheckUtils]: 10: Hoare triple {27#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-07 20:49:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:47,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:49:47,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379131085] [2022-04-07 20:49:47,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379131085] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:49:47,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:49:47,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-07 20:49:47,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439665880] [2022-04-07 20:49:47,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:49:47,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-07 20:49:47,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:49:47,856 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:47,866 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:47,867 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-07 20:49:47,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:49:47,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-07 20:49:47,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:49:47,880 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:47,945 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-04-07 20:49:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-07 20:49:47,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-07 20:49:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:49:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2022-04-07 20:49:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2022-04-07 20:49:47,952 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 30 transitions. [2022-04-07 20:49:47,977 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:47,982 INFO L225 Difference]: With dead ends: 24 [2022-04-07 20:49:47,982 INFO L226 Difference]: Without dead ends: 19 [2022-04-07 20:49:47,983 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:49:47,985 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:49:47,986 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 29 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:49:47,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-04-07 20:49:48,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-04-07 20:49:48,001 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:49:48,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,002 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,002 INFO L87 Difference]: Start difference. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,005 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-07 20:49:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-07 20:49:48,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:48,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:48,006 INFO L74 IsIncluded]: Start isIncluded. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-07 20:49:48,006 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-07 20:49:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,008 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-07 20:49:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-07 20:49:48,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:48,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:48,008 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:49:48,008 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:49:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-04-07 20:49:48,010 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 11 [2022-04-07 20:49:48,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:49:48,011 INFO L478 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-04-07 20:49:48,011 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-04-07 20:49:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-07 20:49:48,011 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:48,011 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:48,011 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 20:49:48,012 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:48,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1423332195, now seen corresponding path program 1 times [2022-04-07 20:49:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:48,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092168061] [2022-04-07 20:49:48,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:48,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:48,024 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:49:48,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70801937] [2022-04-07 20:49:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:48,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:48,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:48,026 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) [2022-04-07 20:49:48,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-07 20:49:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:48,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-07 20:49:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:48,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:49:48,257 INFO L272 TraceCheckUtils]: 0: Hoare triple {114#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {114#true} is VALID [2022-04-07 20:49:48,258 INFO L290 TraceCheckUtils]: 1: Hoare triple {114#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {122#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:48,258 INFO L290 TraceCheckUtils]: 2: Hoare triple {122#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {122#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:48,259 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {122#(<= ~counter~0 0)} {114#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {122#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:48,259 INFO L272 TraceCheckUtils]: 4: Hoare triple {122#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {122#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:48,260 INFO L290 TraceCheckUtils]: 5: Hoare triple {122#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {122#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:48,260 INFO L290 TraceCheckUtils]: 6: Hoare triple {122#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {138#(<= |main_#t~post5| 0)} is VALID [2022-04-07 20:49:48,261 INFO L290 TraceCheckUtils]: 7: Hoare triple {138#(<= |main_#t~post5| 0)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {115#false} is VALID [2022-04-07 20:49:48,261 INFO L272 TraceCheckUtils]: 8: Hoare triple {115#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {115#false} is VALID [2022-04-07 20:49:48,261 INFO L290 TraceCheckUtils]: 9: Hoare triple {115#false} [72] __VERIFIER_assertENTRY-->L10: 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] {115#false} is VALID [2022-04-07 20:49:48,261 INFO L290 TraceCheckUtils]: 10: Hoare triple {115#false} [75] L10-->L11: 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[] {115#false} is VALID [2022-04-07 20:49:48,262 INFO L290 TraceCheckUtils]: 11: Hoare triple {115#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {115#false} is VALID [2022-04-07 20:49:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:48,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 20:49:48,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:49:48,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092168061] [2022-04-07 20:49:48,262 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:49:48,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70801937] [2022-04-07 20:49:48,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70801937] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:49:48,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:49:48,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-07 20:49:48,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252099490] [2022-04-07 20:49:48,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:49:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-07 20:49:48,264 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:49:48,264 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,274 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:48,274 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-07 20:49:48,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:49:48,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-07 20:49:48,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 20:49:48,275 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,329 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-07 20:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-07 20:49:48,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-07 20:49:48,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:49:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-04-07 20:49:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-04-07 20:49:48,333 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 24 transitions. [2022-04-07 20:49:48,355 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:48,356 INFO L225 Difference]: With dead ends: 20 [2022-04-07 20:49:48,356 INFO L226 Difference]: Without dead ends: 20 [2022-04-07 20:49:48,356 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 20:49:48,357 INFO L913 BasicCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:49:48,358 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:49:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-07 20:49:48,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-07 20:49:48,360 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:49:48,360 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,360 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,360 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,362 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-07 20:49:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-07 20:49:48,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:48,362 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:48,362 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-07 20:49:48,363 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-07 20:49:48,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,364 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-07 20:49:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-07 20:49:48,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:48,365 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:48,365 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:49:48,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:49:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:49:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-04-07 20:49:48,366 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2022-04-07 20:49:48,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:49:48,366 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-04-07 20:49:48,366 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-07 20:49:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-07 20:49:48,367 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:48,367 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:48,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-07 20:49:48,587 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 [2022-04-07 20:49:48,588 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1424404671, now seen corresponding path program 1 times [2022-04-07 20:49:48,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:48,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515340242] [2022-04-07 20:49:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:48,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:48,605 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:49:48,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585688335] [2022-04-07 20:49:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:48,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:48,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:48,607 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) [2022-04-07 20:49:48,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-07 20:49:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:48,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 20:49:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:48,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:49:48,742 INFO L272 TraceCheckUtils]: 0: Hoare triple {233#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {233#true} is VALID [2022-04-07 20:49:48,743 INFO L290 TraceCheckUtils]: 1: Hoare triple {233#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {233#true} is VALID [2022-04-07 20:49:48,743 INFO L290 TraceCheckUtils]: 2: Hoare triple {233#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {233#true} is VALID [2022-04-07 20:49:48,743 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {233#true} {233#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {233#true} is VALID [2022-04-07 20:49:48,744 INFO L272 TraceCheckUtils]: 4: Hoare triple {233#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {233#true} is VALID [2022-04-07 20:49:48,744 INFO L290 TraceCheckUtils]: 5: Hoare triple {233#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {253#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:48,745 INFO L290 TraceCheckUtils]: 6: Hoare triple {253#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {253#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:48,746 INFO L290 TraceCheckUtils]: 7: Hoare triple {253#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {253#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:48,747 INFO L272 TraceCheckUtils]: 8: Hoare triple {253#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {263#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:49:48,748 INFO L290 TraceCheckUtils]: 9: Hoare triple {263#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {267#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:49:48,748 INFO L290 TraceCheckUtils]: 10: Hoare triple {267#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {234#false} is VALID [2022-04-07 20:49:48,750 INFO L290 TraceCheckUtils]: 11: Hoare triple {234#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {234#false} is VALID [2022-04-07 20:49:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:48,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 20:49:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:49:48,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515340242] [2022-04-07 20:49:48,756 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:49:48,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585688335] [2022-04-07 20:49:48,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585688335] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:49:48,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:49:48,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 20:49:48,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072583374] [2022-04-07 20:49:48,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:49:48,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-07 20:49:48,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:49:48,758 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,770 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:48,770 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 20:49:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:49:48,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 20:49:48,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 20:49:48,772 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:48,972 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-04-07 20:49:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 20:49:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-07 20:49:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:49:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-04-07 20:49:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-04-07 20:49:48,983 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 34 transitions. [2022-04-07 20:49:49,016 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:49,020 INFO L225 Difference]: With dead ends: 28 [2022-04-07 20:49:49,020 INFO L226 Difference]: Without dead ends: 26 [2022-04-07 20:49:49,020 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-07 20:49:49,025 INFO L913 BasicCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:49:49,026 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:49:49,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-07 20:49:49,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-07 20:49:49,031 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:49:49,032 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:49:49,034 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:49:49,034 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:49:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:49,035 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-07 20:49:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-07 20:49:49,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:49,039 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:49,040 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-07 20:49:49,040 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-07 20:49:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:49,041 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-07 20:49:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-07 20:49:49,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:49,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:49,042 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:49:49,042 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:49:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:49:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-04-07 20:49:49,043 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 12 [2022-04-07 20:49:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:49:49,043 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-04-07 20:49:49,043 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 20:49:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-07 20:49:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-07 20:49:49,044 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:49,044 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:49,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-07 20:49:49,245 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 [2022-04-07 20:49:49,245 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:49,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:49,245 INFO L85 PathProgramCache]: Analyzing trace with hash -381498108, now seen corresponding path program 1 times [2022-04-07 20:49:49,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:49,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782593792] [2022-04-07 20:49:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:49,260 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:49:49,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183872992] [2022-04-07 20:49:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:49,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:49,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:49,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:49:49,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-07 20:49:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:49,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 20:49:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:49,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:49:49,443 INFO L272 TraceCheckUtils]: 0: Hoare triple {381#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {381#true} is VALID [2022-04-07 20:49:49,443 INFO L290 TraceCheckUtils]: 1: Hoare triple {381#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {389#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:49,444 INFO L290 TraceCheckUtils]: 2: Hoare triple {389#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {389#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:49,444 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {389#(<= ~counter~0 0)} {381#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {389#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:49,445 INFO L272 TraceCheckUtils]: 4: Hoare triple {389#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {389#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:49,445 INFO L290 TraceCheckUtils]: 5: Hoare triple {389#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {389#(<= ~counter~0 0)} is VALID [2022-04-07 20:49:49,445 INFO L290 TraceCheckUtils]: 6: Hoare triple {389#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,446 INFO L290 TraceCheckUtils]: 7: Hoare triple {405#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,446 INFO L272 TraceCheckUtils]: 8: Hoare triple {405#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,447 INFO L290 TraceCheckUtils]: 9: Hoare triple {405#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: 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] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,447 INFO L290 TraceCheckUtils]: 10: Hoare triple {405#(<= ~counter~0 1)} [76] L10-->L10-2: 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[] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,447 INFO L290 TraceCheckUtils]: 11: Hoare triple {405#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,448 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {405#(<= ~counter~0 1)} {405#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,448 INFO L290 TraceCheckUtils]: 13: Hoare triple {405#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {405#(<= ~counter~0 1)} is VALID [2022-04-07 20:49:49,449 INFO L290 TraceCheckUtils]: 14: Hoare triple {405#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {430#(<= |main_#t~post5| 1)} is VALID [2022-04-07 20:49:49,449 INFO L290 TraceCheckUtils]: 15: Hoare triple {430#(<= |main_#t~post5| 1)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {382#false} is VALID [2022-04-07 20:49:49,449 INFO L272 TraceCheckUtils]: 16: Hoare triple {382#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {382#false} is VALID [2022-04-07 20:49:49,449 INFO L290 TraceCheckUtils]: 17: Hoare triple {382#false} [72] __VERIFIER_assertENTRY-->L10: 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] {382#false} is VALID [2022-04-07 20:49:49,450 INFO L290 TraceCheckUtils]: 18: Hoare triple {382#false} [75] L10-->L11: 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[] {382#false} is VALID [2022-04-07 20:49:49,450 INFO L290 TraceCheckUtils]: 19: Hoare triple {382#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#false} is VALID [2022-04-07 20:49:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:49,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:49:49,573 INFO L290 TraceCheckUtils]: 19: Hoare triple {382#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#false} is VALID [2022-04-07 20:49:49,574 INFO L290 TraceCheckUtils]: 18: Hoare triple {382#false} [75] L10-->L11: 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[] {382#false} is VALID [2022-04-07 20:49:49,574 INFO L290 TraceCheckUtils]: 17: Hoare triple {382#false} [72] __VERIFIER_assertENTRY-->L10: 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] {382#false} is VALID [2022-04-07 20:49:49,574 INFO L272 TraceCheckUtils]: 16: Hoare triple {382#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {382#false} is VALID [2022-04-07 20:49:49,574 INFO L290 TraceCheckUtils]: 15: Hoare triple {458#(< |main_#t~post5| 5)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {382#false} is VALID [2022-04-07 20:49:49,575 INFO L290 TraceCheckUtils]: 14: Hoare triple {462#(< ~counter~0 5)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {458#(< |main_#t~post5| 5)} is VALID [2022-04-07 20:49:49,575 INFO L290 TraceCheckUtils]: 13: Hoare triple {462#(< ~counter~0 5)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {462#(< ~counter~0 5)} is VALID [2022-04-07 20:49:49,576 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {381#true} {462#(< ~counter~0 5)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {462#(< ~counter~0 5)} is VALID [2022-04-07 20:49:49,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {381#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {381#true} is VALID [2022-04-07 20:49:49,576 INFO L290 TraceCheckUtils]: 10: Hoare triple {381#true} [76] L10-->L10-2: 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[] {381#true} is VALID [2022-04-07 20:49:49,576 INFO L290 TraceCheckUtils]: 9: Hoare triple {381#true} [72] __VERIFIER_assertENTRY-->L10: 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] {381#true} is VALID [2022-04-07 20:49:49,576 INFO L272 TraceCheckUtils]: 8: Hoare triple {462#(< ~counter~0 5)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {381#true} is VALID [2022-04-07 20:49:49,577 INFO L290 TraceCheckUtils]: 7: Hoare triple {462#(< ~counter~0 5)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {462#(< ~counter~0 5)} is VALID [2022-04-07 20:49:49,577 INFO L290 TraceCheckUtils]: 6: Hoare triple {487#(< ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {462#(< ~counter~0 5)} is VALID [2022-04-07 20:49:49,577 INFO L290 TraceCheckUtils]: 5: Hoare triple {487#(< ~counter~0 4)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {487#(< ~counter~0 4)} is VALID [2022-04-07 20:49:49,578 INFO L272 TraceCheckUtils]: 4: Hoare triple {487#(< ~counter~0 4)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {487#(< ~counter~0 4)} is VALID [2022-04-07 20:49:49,578 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {487#(< ~counter~0 4)} {381#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {487#(< ~counter~0 4)} is VALID [2022-04-07 20:49:49,578 INFO L290 TraceCheckUtils]: 2: Hoare triple {487#(< ~counter~0 4)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {487#(< ~counter~0 4)} is VALID [2022-04-07 20:49:49,583 INFO L290 TraceCheckUtils]: 1: Hoare triple {381#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {487#(< ~counter~0 4)} is VALID [2022-04-07 20:49:49,583 INFO L272 TraceCheckUtils]: 0: Hoare triple {381#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {381#true} is VALID [2022-04-07 20:49:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:49,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:49:49,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782593792] [2022-04-07 20:49:49,585 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:49:49,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183872992] [2022-04-07 20:49:49,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183872992] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-07 20:49:49,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-07 20:49:49,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-07 20:49:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749344825] [2022-04-07 20:49:49,586 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-07 20:49:49,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-07 20:49:49,588 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:49:49,589 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 20:49:49,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:49,610 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-07 20:49:49,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:49:49,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-07 20:49:49,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-07 20:49:49,611 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 20:49:49,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:49,771 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-07 20:49:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-07 20:49:49,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-07 20:49:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:49:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 20:49:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62 transitions. [2022-04-07 20:49:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 20:49:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 62 transitions. [2022-04-07 20:49:49,781 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 62 transitions. [2022-04-07 20:49:49,839 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:49,842 INFO L225 Difference]: With dead ends: 52 [2022-04-07 20:49:49,842 INFO L226 Difference]: Without dead ends: 52 [2022-04-07 20:49:49,842 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-07 20:49:49,843 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 30 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:49:49,843 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 86 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:49:49,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-07 20:49:49,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2022-04-07 20:49:49,851 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:49:49,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:49:49,852 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:49:49,852 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:49:49,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:49,855 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-07 20:49:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-07 20:49:49,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:49,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:49,856 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-07 20:49:49,856 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-07 20:49:49,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:49,858 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-07 20:49:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-07 20:49:49,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:49,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:49,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:49:49,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:49:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:49:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-04-07 20:49:49,861 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 20 [2022-04-07 20:49:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:49:49,862 INFO L478 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-04-07 20:49:49,862 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 20:49:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-04-07 20:49:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-07 20:49:49,862 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:49,862 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:49,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-07 20:49:50,063 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:50,063 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:50,064 INFO L85 PathProgramCache]: Analyzing trace with hash -380425632, now seen corresponding path program 1 times [2022-04-07 20:49:50,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:50,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391266346] [2022-04-07 20:49:50,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:50,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:50,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:49:50,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431483486] [2022-04-07 20:49:50,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:50,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:50,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:49:50,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-07 20:49:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:50,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-07 20:49:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:50,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:49:50,224 INFO L272 TraceCheckUtils]: 0: Hoare triple {718#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,224 INFO L290 TraceCheckUtils]: 1: Hoare triple {718#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {718#true} is VALID [2022-04-07 20:49:50,224 INFO L290 TraceCheckUtils]: 2: Hoare triple {718#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,224 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {718#true} {718#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,225 INFO L272 TraceCheckUtils]: 4: Hoare triple {718#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,225 INFO L290 TraceCheckUtils]: 5: Hoare triple {718#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {738#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:50,226 INFO L290 TraceCheckUtils]: 6: Hoare triple {738#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {738#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:50,226 INFO L290 TraceCheckUtils]: 7: Hoare triple {738#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {738#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:50,226 INFO L272 TraceCheckUtils]: 8: Hoare triple {738#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {718#true} is VALID [2022-04-07 20:49:50,226 INFO L290 TraceCheckUtils]: 9: Hoare triple {718#true} [72] __VERIFIER_assertENTRY-->L10: 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] {718#true} is VALID [2022-04-07 20:49:50,227 INFO L290 TraceCheckUtils]: 10: Hoare triple {718#true} [76] L10-->L10-2: 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[] {718#true} is VALID [2022-04-07 20:49:50,227 INFO L290 TraceCheckUtils]: 11: Hoare triple {718#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,227 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {718#true} {738#(and (= main_~x~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {738#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:50,228 INFO L290 TraceCheckUtils]: 13: Hoare triple {738#(and (= main_~x~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-07 20:49:50,228 INFO L290 TraceCheckUtils]: 14: Hoare triple {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-07 20:49:50,229 INFO L290 TraceCheckUtils]: 15: Hoare triple {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-07 20:49:50,230 INFO L272 TraceCheckUtils]: 16: Hoare triple {763#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {773#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:49:50,230 INFO L290 TraceCheckUtils]: 17: Hoare triple {773#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {777#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:49:50,231 INFO L290 TraceCheckUtils]: 18: Hoare triple {777#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {719#false} is VALID [2022-04-07 20:49:50,231 INFO L290 TraceCheckUtils]: 19: Hoare triple {719#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {719#false} is VALID [2022-04-07 20:49:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:49:50,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:49:50,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {719#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {719#false} is VALID [2022-04-07 20:49:50,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {777#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {719#false} is VALID [2022-04-07 20:49:50,357 INFO L290 TraceCheckUtils]: 17: Hoare triple {773#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {777#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:49:50,358 INFO L272 TraceCheckUtils]: 16: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {773#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:49:50,358 INFO L290 TraceCheckUtils]: 15: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,358 INFO L290 TraceCheckUtils]: 14: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,365 INFO L290 TraceCheckUtils]: 13: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,366 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {718#true} {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,366 INFO L290 TraceCheckUtils]: 11: Hoare triple {718#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,366 INFO L290 TraceCheckUtils]: 10: Hoare triple {718#true} [76] L10-->L10-2: 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[] {718#true} is VALID [2022-04-07 20:49:50,366 INFO L290 TraceCheckUtils]: 9: Hoare triple {718#true} [72] __VERIFIER_assertENTRY-->L10: 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] {718#true} is VALID [2022-04-07 20:49:50,366 INFO L272 TraceCheckUtils]: 8: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {718#true} is VALID [2022-04-07 20:49:50,367 INFO L290 TraceCheckUtils]: 7: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,368 INFO L290 TraceCheckUtils]: 6: Hoare triple {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,368 INFO L290 TraceCheckUtils]: 5: Hoare triple {718#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {793#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-07 20:49:50,368 INFO L272 TraceCheckUtils]: 4: Hoare triple {718#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,368 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {718#true} {718#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,368 INFO L290 TraceCheckUtils]: 2: Hoare triple {718#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,369 INFO L290 TraceCheckUtils]: 1: Hoare triple {718#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {718#true} is VALID [2022-04-07 20:49:50,369 INFO L272 TraceCheckUtils]: 0: Hoare triple {718#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {718#true} is VALID [2022-04-07 20:49:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-07 20:49:50,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:49:50,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391266346] [2022-04-07 20:49:50,369 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:49:50,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431483486] [2022-04-07 20:49:50,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431483486] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-07 20:49:50,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-07 20:49:50,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-07 20:49:50,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640300171] [2022-04-07 20:49:50,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:49:50,370 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-07 20:49:50,370 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:49:50,370 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 20:49:50,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:50,389 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 20:49:50,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:49:50,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 20:49:50,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-07 20:49:50,390 INFO L87 Difference]: Start difference. First operand 48 states and 57 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 20:49:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:50,457 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2022-04-07 20:49:50,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 20:49:50,457 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-07 20:49:50,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:49:50,458 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 20:49:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-04-07 20:49:50,459 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 20:49:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-04-07 20:49:50,460 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 25 transitions. [2022-04-07 20:49:50,484 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:49:50,485 INFO L225 Difference]: With dead ends: 60 [2022-04-07 20:49:50,485 INFO L226 Difference]: Without dead ends: 51 [2022-04-07 20:49:50,485 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-07 20:49:50,486 INFO L913 BasicCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:49:50,486 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 53 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:49:50,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-07 20:49:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2022-04-07 20:49:50,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:49:50,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:49:50,489 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:49:50,489 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:49:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:50,490 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-07 20:49:50,491 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-07 20:49:50,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:50,491 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:50,491 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-07 20:49:50,491 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-07 20:49:50,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:49:50,493 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-07 20:49:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-07 20:49:50,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:49:50,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:49:50,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:49:50,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:49:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:49:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2022-04-07 20:49:50,495 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 20 [2022-04-07 20:49:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:49:50,495 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2022-04-07 20:49:50,495 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 20:49:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-04-07 20:49:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-07 20:49:50,495 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:49:50,496 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:49:50,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-07 20:49:50,711 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:50,712 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:49:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:49:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1647871298, now seen corresponding path program 1 times [2022-04-07 20:49:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:49:50,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869353321] [2022-04-07 20:49:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:49:50,723 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:49:50,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488769758] [2022-04-07 20:49:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:49:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:49:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:49:50,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:49:50,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-07 20:49:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:50,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-07 20:49:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:49:50,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:49:51,072 INFO L272 TraceCheckUtils]: 0: Hoare triple {1053#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1053#true} is VALID [2022-04-07 20:49:51,072 INFO L290 TraceCheckUtils]: 1: Hoare triple {1053#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {1053#true} is VALID [2022-04-07 20:49:51,072 INFO L290 TraceCheckUtils]: 2: Hoare triple {1053#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1053#true} is VALID [2022-04-07 20:49:51,072 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1053#true} {1053#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1053#true} is VALID [2022-04-07 20:49:51,073 INFO L272 TraceCheckUtils]: 4: Hoare triple {1053#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1053#true} is VALID [2022-04-07 20:49:51,091 INFO L290 TraceCheckUtils]: 5: Hoare triple {1053#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:51,092 INFO L290 TraceCheckUtils]: 6: Hoare triple {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:51,092 INFO L290 TraceCheckUtils]: 7: Hoare triple {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:51,092 INFO L272 TraceCheckUtils]: 8: Hoare triple {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1053#true} is VALID [2022-04-07 20:49:51,093 INFO L290 TraceCheckUtils]: 9: Hoare triple {1053#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1053#true} is VALID [2022-04-07 20:49:51,093 INFO L290 TraceCheckUtils]: 10: Hoare triple {1053#true} [76] L10-->L10-2: 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[] {1053#true} is VALID [2022-04-07 20:49:51,093 INFO L290 TraceCheckUtils]: 11: Hoare triple {1053#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1053#true} is VALID [2022-04-07 20:49:51,093 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1053#true} {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:49:51,094 INFO L290 TraceCheckUtils]: 13: Hoare triple {1073#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-07 20:49:51,094 INFO L290 TraceCheckUtils]: 14: Hoare triple {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-07 20:49:51,095 INFO L290 TraceCheckUtils]: 15: Hoare triple {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-07 20:49:51,095 INFO L272 TraceCheckUtils]: 16: Hoare triple {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1053#true} is VALID [2022-04-07 20:49:51,095 INFO L290 TraceCheckUtils]: 17: Hoare triple {1053#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1111#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:49:51,096 INFO L290 TraceCheckUtils]: 18: Hoare triple {1111#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [76] L10-->L10-2: 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[] {1115#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 20:49:51,096 INFO L290 TraceCheckUtils]: 19: Hoare triple {1115#(not (= |__VERIFIER_assert_#in~cond| 0))} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1115#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 20:49:51,097 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1115#(not (= |__VERIFIER_assert_#in~cond| 0))} {1098#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1122#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-07 20:49:51,097 INFO L290 TraceCheckUtils]: 21: Hoare triple {1122#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1126#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} is VALID [2022-04-07 20:49:51,098 INFO L272 TraceCheckUtils]: 22: Hoare triple {1126#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1130#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:49:51,098 INFO L290 TraceCheckUtils]: 23: Hoare triple {1130#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {1134#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:49:51,099 INFO L290 TraceCheckUtils]: 24: Hoare triple {1134#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {1054#false} is VALID [2022-04-07 20:49:51,099 INFO L290 TraceCheckUtils]: 25: Hoare triple {1054#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1054#false} is VALID [2022-04-07 20:49:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-07 20:49:51,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:50:17,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:50:17,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869353321] [2022-04-07 20:50:17,051 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:50:17,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488769758] [2022-04-07 20:50:17,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488769758] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-07 20:50:17,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-07 20:50:17,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-07 20:50:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415865099] [2022-04-07 20:50:17,052 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-07 20:50:17,052 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-07 20:50:17,052 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:50:17,053 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:50:17,077 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:17,077 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-07 20:50:17,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:50:17,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-07 20:50:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-04-07 20:50:17,077 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:50:17,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:17,283 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2022-04-07 20:50:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-07 20:50:17,283 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-07 20:50:17,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:50:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:50:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2022-04-07 20:50:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:50:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2022-04-07 20:50:17,285 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 33 transitions. [2022-04-07 20:50:17,322 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:17,324 INFO L225 Difference]: With dead ends: 48 [2022-04-07 20:50:17,324 INFO L226 Difference]: Without dead ends: 45 [2022-04-07 20:50:17,324 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-04-07 20:50:17,328 INFO L913 BasicCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:50:17,328 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 89 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:50:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-07 20:50:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-07 20:50:17,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:50:17,332 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:17,333 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:17,333 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:17,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:17,334 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-07 20:50:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-07 20:50:17,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:17,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:17,334 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-07 20:50:17,335 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-07 20:50:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:17,336 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-07 20:50:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-07 20:50:17,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:17,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:17,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:50:17,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:50:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2022-04-07 20:50:17,337 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2022-04-07 20:50:17,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:50:17,337 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2022-04-07 20:50:17,338 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-07 20:50:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-07 20:50:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-07 20:50:17,338 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:50:17,338 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:50:17,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-07 20:50:17,539 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:17,539 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:50:17,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:50:17,540 INFO L85 PathProgramCache]: Analyzing trace with hash 31133987, now seen corresponding path program 2 times [2022-04-07 20:50:17,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:50:17,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335354829] [2022-04-07 20:50:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:50:17,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:50:17,562 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:50:17,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20324987] [2022-04-07 20:50:17,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-07 20:50:17,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:17,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:50:17,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:50:17,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-07 20:50:17,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-07 20:50:17,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-07 20:50:17,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-07 20:50:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:50:17,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:50:17,896 INFO L272 TraceCheckUtils]: 0: Hoare triple {1376#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,896 INFO L290 TraceCheckUtils]: 1: Hoare triple {1376#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {1376#true} is VALID [2022-04-07 20:50:17,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {1376#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,896 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1376#true} {1376#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,896 INFO L272 TraceCheckUtils]: 4: Hoare triple {1376#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,897 INFO L290 TraceCheckUtils]: 5: Hoare triple {1376#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1396#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:17,897 INFO L290 TraceCheckUtils]: 6: Hoare triple {1396#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1396#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:17,897 INFO L290 TraceCheckUtils]: 7: Hoare triple {1396#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1396#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:17,898 INFO L272 TraceCheckUtils]: 8: Hoare triple {1396#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1376#true} is VALID [2022-04-07 20:50:17,898 INFO L290 TraceCheckUtils]: 9: Hoare triple {1376#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1376#true} is VALID [2022-04-07 20:50:17,898 INFO L290 TraceCheckUtils]: 10: Hoare triple {1376#true} [76] L10-->L10-2: 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[] {1376#true} is VALID [2022-04-07 20:50:17,898 INFO L290 TraceCheckUtils]: 11: Hoare triple {1376#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,898 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1376#true} {1396#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1396#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:17,900 INFO L290 TraceCheckUtils]: 13: Hoare triple {1396#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-07 20:50:17,900 INFO L290 TraceCheckUtils]: 14: Hoare triple {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-07 20:50:17,900 INFO L290 TraceCheckUtils]: 15: Hoare triple {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-07 20:50:17,900 INFO L272 TraceCheckUtils]: 16: Hoare triple {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1376#true} is VALID [2022-04-07 20:50:17,901 INFO L290 TraceCheckUtils]: 17: Hoare triple {1376#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1376#true} is VALID [2022-04-07 20:50:17,901 INFO L290 TraceCheckUtils]: 18: Hoare triple {1376#true} [76] L10-->L10-2: 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[] {1376#true} is VALID [2022-04-07 20:50:17,901 INFO L290 TraceCheckUtils]: 19: Hoare triple {1376#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,901 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1376#true} {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-07 20:50:17,902 INFO L290 TraceCheckUtils]: 21: Hoare triple {1421#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-07 20:50:17,902 INFO L290 TraceCheckUtils]: 22: Hoare triple {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-07 20:50:17,902 INFO L290 TraceCheckUtils]: 23: Hoare triple {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-07 20:50:17,903 INFO L272 TraceCheckUtils]: 24: Hoare triple {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1376#true} is VALID [2022-04-07 20:50:17,903 INFO L290 TraceCheckUtils]: 25: Hoare triple {1376#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1376#true} is VALID [2022-04-07 20:50:17,903 INFO L290 TraceCheckUtils]: 26: Hoare triple {1376#true} [76] L10-->L10-2: 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[] {1376#true} is VALID [2022-04-07 20:50:17,904 INFO L290 TraceCheckUtils]: 27: Hoare triple {1376#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1376#true} is VALID [2022-04-07 20:50:17,904 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1376#true} {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-07 20:50:17,905 INFO L290 TraceCheckUtils]: 29: Hoare triple {1446#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1471#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} is VALID [2022-04-07 20:50:17,905 INFO L272 TraceCheckUtils]: 30: Hoare triple {1471#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1475#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:50:17,906 INFO L290 TraceCheckUtils]: 31: Hoare triple {1475#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {1479#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:50:17,906 INFO L290 TraceCheckUtils]: 32: Hoare triple {1479#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {1377#false} is VALID [2022-04-07 20:50:17,906 INFO L290 TraceCheckUtils]: 33: Hoare triple {1377#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1377#false} is VALID [2022-04-07 20:50:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-07 20:50:17,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:50:18,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:50:18,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335354829] [2022-04-07 20:50:18,161 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:50:18,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20324987] [2022-04-07 20:50:18,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20324987] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-07 20:50:18,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-07 20:50:18,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-04-07 20:50:18,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590548936] [2022-04-07 20:50:18,162 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-07 20:50:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-07 20:50:18,164 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:50:18,164 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:50:18,183 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:18,183 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-07 20:50:18,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:50:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-07 20:50:18,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-04-07 20:50:18,184 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:50:18,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:18,393 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2022-04-07 20:50:18,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-07 20:50:18,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-07 20:50:18,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:50:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:50:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2022-04-07 20:50:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:50:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2022-04-07 20:50:18,395 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 38 transitions. [2022-04-07 20:50:18,411 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:18,412 INFO L225 Difference]: With dead ends: 48 [2022-04-07 20:50:18,412 INFO L226 Difference]: Without dead ends: 45 [2022-04-07 20:50:18,412 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-04-07 20:50:18,412 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:50:18,413 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:50:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-07 20:50:18,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-07 20:50:18,415 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:50:18,415 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:18,415 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:18,415 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:18,416 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-07 20:50:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-07 20:50:18,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:18,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:18,417 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-07 20:50:18,417 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-07 20:50:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:18,418 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-07 20:50:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-07 20:50:18,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:18,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:18,418 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:50:18,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:50:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2022-04-07 20:50:18,419 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 34 [2022-04-07 20:50:18,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:50:18,419 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2022-04-07 20:50:18,420 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-07 20:50:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-07 20:50:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-07 20:50:18,420 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:50:18,420 INFO L499 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:50:18,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-07 20:50:18,620 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:18,621 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:50:18,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:50:18,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1474833412, now seen corresponding path program 3 times [2022-04-07 20:50:18,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:50:18,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095236621] [2022-04-07 20:50:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:50:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:50:18,642 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:50:18,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912788058] [2022-04-07 20:50:18,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-07 20:50:18,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:50:18,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:50:18,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-07 20:50:18,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-07 20:50:18,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-07 20:50:18,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 20 conjunts are in the unsatisfiable core [2022-04-07 20:50:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:50:18,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:50:18,951 INFO L272 TraceCheckUtils]: 0: Hoare triple {1717#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,952 INFO L290 TraceCheckUtils]: 1: Hoare triple {1717#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {1717#true} is VALID [2022-04-07 20:50:18,952 INFO L290 TraceCheckUtils]: 2: Hoare triple {1717#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,952 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1717#true} {1717#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,952 INFO L272 TraceCheckUtils]: 4: Hoare triple {1717#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,953 INFO L290 TraceCheckUtils]: 5: Hoare triple {1717#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1737#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:18,955 INFO L290 TraceCheckUtils]: 6: Hoare triple {1737#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1737#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:18,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {1737#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1737#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:18,956 INFO L272 TraceCheckUtils]: 8: Hoare triple {1737#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1717#true} is VALID [2022-04-07 20:50:18,956 INFO L290 TraceCheckUtils]: 9: Hoare triple {1717#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1717#true} is VALID [2022-04-07 20:50:18,956 INFO L290 TraceCheckUtils]: 10: Hoare triple {1717#true} [76] L10-->L10-2: 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[] {1717#true} is VALID [2022-04-07 20:50:18,956 INFO L290 TraceCheckUtils]: 11: Hoare triple {1717#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,957 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1717#true} {1737#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1737#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:18,957 INFO L290 TraceCheckUtils]: 13: Hoare triple {1737#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-07 20:50:18,957 INFO L290 TraceCheckUtils]: 14: Hoare triple {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-07 20:50:18,958 INFO L290 TraceCheckUtils]: 15: Hoare triple {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-07 20:50:18,958 INFO L272 TraceCheckUtils]: 16: Hoare triple {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1717#true} is VALID [2022-04-07 20:50:18,958 INFO L290 TraceCheckUtils]: 17: Hoare triple {1717#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1717#true} is VALID [2022-04-07 20:50:18,958 INFO L290 TraceCheckUtils]: 18: Hoare triple {1717#true} [76] L10-->L10-2: 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[] {1717#true} is VALID [2022-04-07 20:50:18,958 INFO L290 TraceCheckUtils]: 19: Hoare triple {1717#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,958 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1717#true} {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-07 20:50:18,961 INFO L290 TraceCheckUtils]: 21: Hoare triple {1762#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-07 20:50:18,962 INFO L290 TraceCheckUtils]: 22: Hoare triple {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-07 20:50:18,962 INFO L290 TraceCheckUtils]: 23: Hoare triple {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-07 20:50:18,962 INFO L272 TraceCheckUtils]: 24: Hoare triple {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1717#true} is VALID [2022-04-07 20:50:18,962 INFO L290 TraceCheckUtils]: 25: Hoare triple {1717#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1717#true} is VALID [2022-04-07 20:50:18,962 INFO L290 TraceCheckUtils]: 26: Hoare triple {1717#true} [76] L10-->L10-2: 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[] {1717#true} is VALID [2022-04-07 20:50:18,962 INFO L290 TraceCheckUtils]: 27: Hoare triple {1717#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,963 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1717#true} {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-07 20:50:18,963 INFO L290 TraceCheckUtils]: 29: Hoare triple {1787#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-07 20:50:18,963 INFO L290 TraceCheckUtils]: 30: Hoare triple {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-07 20:50:18,964 INFO L290 TraceCheckUtils]: 31: Hoare triple {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-07 20:50:18,964 INFO L272 TraceCheckUtils]: 32: Hoare triple {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1717#true} is VALID [2022-04-07 20:50:18,964 INFO L290 TraceCheckUtils]: 33: Hoare triple {1717#true} [72] __VERIFIER_assertENTRY-->L10: 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] {1717#true} is VALID [2022-04-07 20:50:18,964 INFO L290 TraceCheckUtils]: 34: Hoare triple {1717#true} [76] L10-->L10-2: 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[] {1717#true} is VALID [2022-04-07 20:50:18,964 INFO L290 TraceCheckUtils]: 35: Hoare triple {1717#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1717#true} is VALID [2022-04-07 20:50:18,965 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {1717#true} {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-07 20:50:18,965 INFO L290 TraceCheckUtils]: 37: Hoare triple {1812#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1837#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} is VALID [2022-04-07 20:50:18,966 INFO L272 TraceCheckUtils]: 38: Hoare triple {1837#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1841#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:50:18,966 INFO L290 TraceCheckUtils]: 39: Hoare triple {1841#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {1845#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:50:18,966 INFO L290 TraceCheckUtils]: 40: Hoare triple {1845#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {1718#false} is VALID [2022-04-07 20:50:18,966 INFO L290 TraceCheckUtils]: 41: Hoare triple {1718#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1718#false} is VALID [2022-04-07 20:50:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-07 20:50:18,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:50:19,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:50:19,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095236621] [2022-04-07 20:50:19,168 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:50:19,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912788058] [2022-04-07 20:50:19,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912788058] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-07 20:50:19,168 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-07 20:50:19,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-04-07 20:50:19,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21225935] [2022-04-07 20:50:19,169 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-07 20:50:19,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-07 20:50:19,169 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:50:19,170 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:19,188 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:19,188 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-07 20:50:19,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:50:19,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-07 20:50:19,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-07 20:50:19,189 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:19,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:19,417 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2022-04-07 20:50:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-07 20:50:19,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-07 20:50:19,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:50:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2022-04-07 20:50:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2022-04-07 20:50:19,419 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 43 transitions. [2022-04-07 20:50:19,439 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:19,439 INFO L225 Difference]: With dead ends: 50 [2022-04-07 20:50:19,439 INFO L226 Difference]: Without dead ends: 47 [2022-04-07 20:50:19,440 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-04-07 20:50:19,440 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:50:19,440 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 168 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:50:19,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-07 20:50:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-04-07 20:50:19,442 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:50:19,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:19,442 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:19,443 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:19,444 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-07 20:50:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-07 20:50:19,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:19,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:19,444 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-07 20:50:19,444 INFO L87 Difference]: Start difference. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-07 20:50:19,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:19,445 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-07 20:50:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-07 20:50:19,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:19,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:19,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:50:19,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:50:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2022-04-07 20:50:19,450 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 42 [2022-04-07 20:50:19,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:50:19,451 INFO L478 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2022-04-07 20:50:19,451 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-07 20:50:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-07 20:50:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-07 20:50:19,453 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:50:19,453 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:50:19,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-07 20:50:19,669 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:19,669 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:50:19,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:50:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash 831591399, now seen corresponding path program 2 times [2022-04-07 20:50:19,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:50:19,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204518062] [2022-04-07 20:50:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:50:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:50:19,685 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:50:19,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905940217] [2022-04-07 20:50:19,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-07 20:50:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:19,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:50:19,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:50:19,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-07 20:50:19,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-07 20:50:19,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-07 20:50:19,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-07 20:50:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:50:19,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:50:19,953 INFO L272 TraceCheckUtils]: 0: Hoare triple {2091#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:19,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {2091#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:19,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {2099#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:19,955 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2099#(<= ~counter~0 0)} {2091#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:19,955 INFO L272 TraceCheckUtils]: 4: Hoare triple {2099#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:19,955 INFO L290 TraceCheckUtils]: 5: Hoare triple {2099#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:19,956 INFO L290 TraceCheckUtils]: 6: Hoare triple {2099#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {2115#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,957 INFO L272 TraceCheckUtils]: 8: Hoare triple {2115#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {2115#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: 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] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,958 INFO L290 TraceCheckUtils]: 10: Hoare triple {2115#(<= ~counter~0 1)} [76] L10-->L10-2: 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[] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,958 INFO L290 TraceCheckUtils]: 11: Hoare triple {2115#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,958 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2115#(<= ~counter~0 1)} {2115#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,959 INFO L290 TraceCheckUtils]: 13: Hoare triple {2115#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:19,959 INFO L290 TraceCheckUtils]: 14: Hoare triple {2115#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,959 INFO L290 TraceCheckUtils]: 15: Hoare triple {2140#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,960 INFO L272 TraceCheckUtils]: 16: Hoare triple {2140#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,960 INFO L290 TraceCheckUtils]: 17: Hoare triple {2140#(<= ~counter~0 2)} [72] __VERIFIER_assertENTRY-->L10: 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] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,960 INFO L290 TraceCheckUtils]: 18: Hoare triple {2140#(<= ~counter~0 2)} [76] L10-->L10-2: 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[] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,961 INFO L290 TraceCheckUtils]: 19: Hoare triple {2140#(<= ~counter~0 2)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,961 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2140#(<= ~counter~0 2)} {2140#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,961 INFO L290 TraceCheckUtils]: 21: Hoare triple {2140#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:19,962 INFO L290 TraceCheckUtils]: 22: Hoare triple {2140#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,962 INFO L290 TraceCheckUtils]: 23: Hoare triple {2165#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,962 INFO L272 TraceCheckUtils]: 24: Hoare triple {2165#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,963 INFO L290 TraceCheckUtils]: 25: Hoare triple {2165#(<= ~counter~0 3)} [72] __VERIFIER_assertENTRY-->L10: 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] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,966 INFO L290 TraceCheckUtils]: 26: Hoare triple {2165#(<= ~counter~0 3)} [76] L10-->L10-2: 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[] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,967 INFO L290 TraceCheckUtils]: 27: Hoare triple {2165#(<= ~counter~0 3)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,973 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2165#(<= ~counter~0 3)} {2165#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,973 INFO L290 TraceCheckUtils]: 29: Hoare triple {2165#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:19,974 INFO L290 TraceCheckUtils]: 30: Hoare triple {2165#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,975 INFO L290 TraceCheckUtils]: 31: Hoare triple {2190#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,976 INFO L272 TraceCheckUtils]: 32: Hoare triple {2190#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,976 INFO L290 TraceCheckUtils]: 33: Hoare triple {2190#(<= ~counter~0 4)} [72] __VERIFIER_assertENTRY-->L10: 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] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,976 INFO L290 TraceCheckUtils]: 34: Hoare triple {2190#(<= ~counter~0 4)} [76] L10-->L10-2: 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[] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,979 INFO L290 TraceCheckUtils]: 35: Hoare triple {2190#(<= ~counter~0 4)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,980 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2190#(<= ~counter~0 4)} {2190#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,980 INFO L290 TraceCheckUtils]: 37: Hoare triple {2190#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:19,980 INFO L290 TraceCheckUtils]: 38: Hoare triple {2190#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2215#(<= |main_#t~post5| 4)} is VALID [2022-04-07 20:50:19,981 INFO L290 TraceCheckUtils]: 39: Hoare triple {2215#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2092#false} is VALID [2022-04-07 20:50:19,981 INFO L272 TraceCheckUtils]: 40: Hoare triple {2092#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2092#false} is VALID [2022-04-07 20:50:19,981 INFO L290 TraceCheckUtils]: 41: Hoare triple {2092#false} [72] __VERIFIER_assertENTRY-->L10: 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] {2092#false} is VALID [2022-04-07 20:50:19,981 INFO L290 TraceCheckUtils]: 42: Hoare triple {2092#false} [75] L10-->L11: 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[] {2092#false} is VALID [2022-04-07 20:50:19,981 INFO L290 TraceCheckUtils]: 43: Hoare triple {2092#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2092#false} is VALID [2022-04-07 20:50:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 20:50:19,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:50:20,160 INFO L290 TraceCheckUtils]: 43: Hoare triple {2092#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2092#false} is VALID [2022-04-07 20:50:20,160 INFO L290 TraceCheckUtils]: 42: Hoare triple {2092#false} [75] L10-->L11: 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[] {2092#false} is VALID [2022-04-07 20:50:20,160 INFO L290 TraceCheckUtils]: 41: Hoare triple {2092#false} [72] __VERIFIER_assertENTRY-->L10: 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] {2092#false} is VALID [2022-04-07 20:50:20,160 INFO L272 TraceCheckUtils]: 40: Hoare triple {2092#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2092#false} is VALID [2022-04-07 20:50:20,161 INFO L290 TraceCheckUtils]: 39: Hoare triple {2215#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2092#false} is VALID [2022-04-07 20:50:20,161 INFO L290 TraceCheckUtils]: 38: Hoare triple {2190#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2215#(<= |main_#t~post5| 4)} is VALID [2022-04-07 20:50:20,161 INFO L290 TraceCheckUtils]: 37: Hoare triple {2190#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:20,162 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2091#true} {2190#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:20,162 INFO L290 TraceCheckUtils]: 35: Hoare triple {2091#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:20,162 INFO L290 TraceCheckUtils]: 34: Hoare triple {2091#true} [76] L10-->L10-2: 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[] {2091#true} is VALID [2022-04-07 20:50:20,162 INFO L290 TraceCheckUtils]: 33: Hoare triple {2091#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2091#true} is VALID [2022-04-07 20:50:20,162 INFO L272 TraceCheckUtils]: 32: Hoare triple {2190#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2091#true} is VALID [2022-04-07 20:50:20,162 INFO L290 TraceCheckUtils]: 31: Hoare triple {2190#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:20,163 INFO L290 TraceCheckUtils]: 30: Hoare triple {2165#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2190#(<= ~counter~0 4)} is VALID [2022-04-07 20:50:20,163 INFO L290 TraceCheckUtils]: 29: Hoare triple {2165#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:20,164 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2091#true} {2165#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:20,164 INFO L290 TraceCheckUtils]: 27: Hoare triple {2091#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:20,164 INFO L290 TraceCheckUtils]: 26: Hoare triple {2091#true} [76] L10-->L10-2: 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[] {2091#true} is VALID [2022-04-07 20:50:20,164 INFO L290 TraceCheckUtils]: 25: Hoare triple {2091#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2091#true} is VALID [2022-04-07 20:50:20,164 INFO L272 TraceCheckUtils]: 24: Hoare triple {2165#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2091#true} is VALID [2022-04-07 20:50:20,164 INFO L290 TraceCheckUtils]: 23: Hoare triple {2165#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:20,165 INFO L290 TraceCheckUtils]: 22: Hoare triple {2140#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2165#(<= ~counter~0 3)} is VALID [2022-04-07 20:50:20,165 INFO L290 TraceCheckUtils]: 21: Hoare triple {2140#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:20,165 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2091#true} {2140#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:20,165 INFO L290 TraceCheckUtils]: 19: Hoare triple {2091#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:20,165 INFO L290 TraceCheckUtils]: 18: Hoare triple {2091#true} [76] L10-->L10-2: 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[] {2091#true} is VALID [2022-04-07 20:50:20,166 INFO L290 TraceCheckUtils]: 17: Hoare triple {2091#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2091#true} is VALID [2022-04-07 20:50:20,166 INFO L272 TraceCheckUtils]: 16: Hoare triple {2140#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2091#true} is VALID [2022-04-07 20:50:20,166 INFO L290 TraceCheckUtils]: 15: Hoare triple {2140#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:20,167 INFO L290 TraceCheckUtils]: 14: Hoare triple {2115#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2140#(<= ~counter~0 2)} is VALID [2022-04-07 20:50:20,167 INFO L290 TraceCheckUtils]: 13: Hoare triple {2115#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:20,168 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2091#true} {2115#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:20,168 INFO L290 TraceCheckUtils]: 11: Hoare triple {2091#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:20,168 INFO L290 TraceCheckUtils]: 10: Hoare triple {2091#true} [76] L10-->L10-2: 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[] {2091#true} is VALID [2022-04-07 20:50:20,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {2091#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2091#true} is VALID [2022-04-07 20:50:20,168 INFO L272 TraceCheckUtils]: 8: Hoare triple {2115#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2091#true} is VALID [2022-04-07 20:50:20,168 INFO L290 TraceCheckUtils]: 7: Hoare triple {2115#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:20,169 INFO L290 TraceCheckUtils]: 6: Hoare triple {2099#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2115#(<= ~counter~0 1)} is VALID [2022-04-07 20:50:20,169 INFO L290 TraceCheckUtils]: 5: Hoare triple {2099#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:20,169 INFO L272 TraceCheckUtils]: 4: Hoare triple {2099#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:20,170 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2099#(<= ~counter~0 0)} {2091#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:20,171 INFO L290 TraceCheckUtils]: 2: Hoare triple {2099#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:20,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {2091#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {2099#(<= ~counter~0 0)} is VALID [2022-04-07 20:50:20,171 INFO L272 TraceCheckUtils]: 0: Hoare triple {2091#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2091#true} is VALID [2022-04-07 20:50:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-07 20:50:20,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:50:20,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204518062] [2022-04-07 20:50:20,173 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:50:20,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905940217] [2022-04-07 20:50:20,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905940217] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-07 20:50:20,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-07 20:50:20,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-07 20:50:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311203577] [2022-04-07 20:50:20,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-07 20:50:20,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-07 20:50:20,178 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:50:20,179 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-07 20:50:20,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:20,219 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-07 20:50:20,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:50:20,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-07 20:50:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-07 20:50:20,220 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-07 20:50:20,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:20,332 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-07 20:50:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-07 20:50:20,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-07 20:50:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:50:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-07 20:50:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-07 20:50:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-07 20:50:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-07 20:50:20,341 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 54 transitions. [2022-04-07 20:50:20,378 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:20,378 INFO L225 Difference]: With dead ends: 53 [2022-04-07 20:50:20,379 INFO L226 Difference]: Without dead ends: 53 [2022-04-07 20:50:20,379 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-07 20:50:20,381 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:50:20,381 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 76 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:50:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-07 20:50:20,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-04-07 20:50:20,389 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:50:20,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:20,389 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:20,390 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:20,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:20,397 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-07 20:50:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-07 20:50:20,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:20,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:20,398 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-07 20:50:20,398 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-07 20:50:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:20,399 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-07 20:50:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-07 20:50:20,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:20,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:20,399 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:50:20,399 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:50:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2022-04-07 20:50:20,400 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 44 [2022-04-07 20:50:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:50:20,400 INFO L478 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2022-04-07 20:50:20,401 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-07 20:50:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-07 20:50:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-07 20:50:20,401 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:50:20,401 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:50:20,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-07 20:50:20,601 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-07 20:50:20,602 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:50:20,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:50:20,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1805593115, now seen corresponding path program 4 times [2022-04-07 20:50:20,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:50:20,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458315566] [2022-04-07 20:50:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:50:20,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:50:20,611 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:50:20,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114628039] [2022-04-07 20:50:20,611 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-07 20:50:20,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:20,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:50:20,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:50:20,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-07 20:50:20,689 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-07 20:50:20,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-07 20:50:20,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-07 20:50:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:50:20,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:50:21,041 INFO L272 TraceCheckUtils]: 0: Hoare triple {2582#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,041 INFO L290 TraceCheckUtils]: 1: Hoare triple {2582#true} [62] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #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[~counter~0, #NULL.offset, #NULL.base] {2582#true} is VALID [2022-04-07 20:50:21,041 INFO L290 TraceCheckUtils]: 2: Hoare triple {2582#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,041 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2582#true} {2582#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,041 INFO L272 TraceCheckUtils]: 4: Hoare triple {2582#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,042 INFO L290 TraceCheckUtils]: 5: Hoare triple {2582#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {2602#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:21,042 INFO L290 TraceCheckUtils]: 6: Hoare triple {2602#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2602#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:21,042 INFO L290 TraceCheckUtils]: 7: Hoare triple {2602#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2602#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:21,042 INFO L272 TraceCheckUtils]: 8: Hoare triple {2602#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2582#true} is VALID [2022-04-07 20:50:21,043 INFO L290 TraceCheckUtils]: 9: Hoare triple {2582#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2582#true} is VALID [2022-04-07 20:50:21,043 INFO L290 TraceCheckUtils]: 10: Hoare triple {2582#true} [76] L10-->L10-2: 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[] {2582#true} is VALID [2022-04-07 20:50:21,043 INFO L290 TraceCheckUtils]: 11: Hoare triple {2582#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,043 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2582#true} {2602#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2602#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-07 20:50:21,044 INFO L290 TraceCheckUtils]: 13: Hoare triple {2602#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-07 20:50:21,044 INFO L290 TraceCheckUtils]: 14: Hoare triple {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-07 20:50:21,044 INFO L290 TraceCheckUtils]: 15: Hoare triple {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-07 20:50:21,044 INFO L272 TraceCheckUtils]: 16: Hoare triple {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2582#true} is VALID [2022-04-07 20:50:21,045 INFO L290 TraceCheckUtils]: 17: Hoare triple {2582#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2582#true} is VALID [2022-04-07 20:50:21,045 INFO L290 TraceCheckUtils]: 18: Hoare triple {2582#true} [76] L10-->L10-2: 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[] {2582#true} is VALID [2022-04-07 20:50:21,045 INFO L290 TraceCheckUtils]: 19: Hoare triple {2582#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,045 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2582#true} {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-07 20:50:21,046 INFO L290 TraceCheckUtils]: 21: Hoare triple {2627#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,046 INFO L290 TraceCheckUtils]: 22: Hoare triple {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,046 INFO L290 TraceCheckUtils]: 23: Hoare triple {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,046 INFO L272 TraceCheckUtils]: 24: Hoare triple {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2582#true} is VALID [2022-04-07 20:50:21,047 INFO L290 TraceCheckUtils]: 25: Hoare triple {2582#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2582#true} is VALID [2022-04-07 20:50:21,047 INFO L290 TraceCheckUtils]: 26: Hoare triple {2582#true} [76] L10-->L10-2: 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[] {2582#true} is VALID [2022-04-07 20:50:21,047 INFO L290 TraceCheckUtils]: 27: Hoare triple {2582#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,047 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2582#true} {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,048 INFO L290 TraceCheckUtils]: 29: Hoare triple {2652#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,048 INFO L290 TraceCheckUtils]: 30: Hoare triple {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,048 INFO L290 TraceCheckUtils]: 31: Hoare triple {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,048 INFO L272 TraceCheckUtils]: 32: Hoare triple {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2582#true} is VALID [2022-04-07 20:50:21,049 INFO L290 TraceCheckUtils]: 33: Hoare triple {2582#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2582#true} is VALID [2022-04-07 20:50:21,049 INFO L290 TraceCheckUtils]: 34: Hoare triple {2582#true} [76] L10-->L10-2: 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[] {2582#true} is VALID [2022-04-07 20:50:21,049 INFO L290 TraceCheckUtils]: 35: Hoare triple {2582#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,049 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2582#true} {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-07 20:50:21,051 INFO L290 TraceCheckUtils]: 37: Hoare triple {2677#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-07 20:50:21,051 INFO L290 TraceCheckUtils]: 38: Hoare triple {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-07 20:50:21,051 INFO L290 TraceCheckUtils]: 39: Hoare triple {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-07 20:50:21,052 INFO L272 TraceCheckUtils]: 40: Hoare triple {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2582#true} is VALID [2022-04-07 20:50:21,052 INFO L290 TraceCheckUtils]: 41: Hoare triple {2582#true} [72] __VERIFIER_assertENTRY-->L10: 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] {2582#true} is VALID [2022-04-07 20:50:21,052 INFO L290 TraceCheckUtils]: 42: Hoare triple {2582#true} [76] L10-->L10-2: 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[] {2582#true} is VALID [2022-04-07 20:50:21,052 INFO L290 TraceCheckUtils]: 43: Hoare triple {2582#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2582#true} is VALID [2022-04-07 20:50:21,052 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2582#true} {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-07 20:50:21,053 INFO L290 TraceCheckUtils]: 45: Hoare triple {2702#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {2727#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} is VALID [2022-04-07 20:50:21,053 INFO L272 TraceCheckUtils]: 46: Hoare triple {2727#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2731#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:50:21,053 INFO L290 TraceCheckUtils]: 47: Hoare triple {2731#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: 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] {2735#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:50:21,054 INFO L290 TraceCheckUtils]: 48: Hoare triple {2735#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: 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[] {2583#false} is VALID [2022-04-07 20:50:21,054 INFO L290 TraceCheckUtils]: 49: Hoare triple {2583#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2583#false} is VALID [2022-04-07 20:50:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-07 20:50:21,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 20:50:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:50:21,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458315566] [2022-04-07 20:50:21,556 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:50:21,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114628039] [2022-04-07 20:50:21,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114628039] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-07 20:50:21,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-07 20:50:21,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-07 20:50:21,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659991587] [2022-04-07 20:50:21,556 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-07 20:50:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-07 20:50:21,557 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:50:21,557 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:21,584 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:21,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-07 20:50:21,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:50:21,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-07 20:50:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-04-07 20:50:21,585 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:21,916 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2022-04-07 20:50:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-07 20:50:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-07 20:50:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:50:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 48 transitions. [2022-04-07 20:50:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 48 transitions. [2022-04-07 20:50:21,919 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 48 transitions. [2022-04-07 20:50:21,951 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:50:21,952 INFO L225 Difference]: With dead ends: 58 [2022-04-07 20:50:21,952 INFO L226 Difference]: Without dead ends: 55 [2022-04-07 20:50:21,952 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-04-07 20:50:21,953 INFO L913 BasicCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:50:21,953 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 208 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:50:21,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-07 20:50:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-04-07 20:50:21,955 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:50:21,955 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-07 20:50:21,955 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-07 20:50:21,955 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-07 20:50:21,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:21,956 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-07 20:50:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-07 20:50:21,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:21,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:21,957 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 55 states. [2022-04-07 20:50:21,957 INFO L87 Difference]: Start difference. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 55 states. [2022-04-07 20:50:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:50:21,958 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-07 20:50:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-07 20:50:21,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:50:21,958 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:50:21,958 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:50:21,958 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:50:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-07 20:50:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2022-04-07 20:50:21,959 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 50 [2022-04-07 20:50:21,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:50:21,959 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2022-04-07 20:50:21,959 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-07 20:50:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-07 20:50:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-07 20:50:21,960 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:50:21,960 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:50:21,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-07 20:50:22,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-07 20:50:22,171 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:50:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:50:22,172 INFO L85 PathProgramCache]: Analyzing trace with hash 847694216, now seen corresponding path program 3 times [2022-04-07 20:50:22,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:50:22,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735244234] [2022-04-07 20:50:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:50:22,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:50:22,181 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:50:22,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380657297] [2022-04-07 20:50:22,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-07 20:50:22,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:50:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:50:22,182 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:50:22,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-07 20:50:22,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-07 20:50:22,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-07 20:50:22,274 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-07 20:50:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-07 20:50:22,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-07 20:50:22,321 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-07 20:50:22,322 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-07 20:50:22,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-04-07 20:50:22,523 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-07 20:50:22,525 INFO L719 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2022-04-07 20:50:22,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-07 20:50:22,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 08:50:22 BasicIcfg [2022-04-07 20:50:22,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-07 20:50:22,552 INFO L158 Benchmark]: Toolchain (without parser) took 35385.63ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 115.2MB in the beginning and 69.1MB in the end (delta: 46.2MB). Peak memory consumption was 89.8MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,552 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 131.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-07 20:50:22,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.82ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 141.4MB in the end (delta: -26.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,552 INFO L158 Benchmark]: Boogie Preprocessor took 30.74ms. Allocated memory is still 165.7MB. Free memory was 141.4MB in the beginning and 140.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,552 INFO L158 Benchmark]: RCFGBuilder took 235.02ms. Allocated memory is still 165.7MB. Free memory was 140.0MB in the beginning and 129.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,552 INFO L158 Benchmark]: IcfgTransformer took 16.61ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,565 INFO L158 Benchmark]: TraceAbstraction took 34869.31ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 127.4MB in the beginning and 69.1MB in the end (delta: 58.3MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. [2022-04-07 20:50:22,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 131.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.82ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 141.4MB in the end (delta: -26.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.74ms. Allocated memory is still 165.7MB. Free memory was 141.4MB in the beginning and 140.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 235.02ms. Allocated memory is still 165.7MB. Free memory was 140.0MB in the beginning and 129.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 16.61ms. Allocated memory is still 165.7MB. Free memory was 129.5MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 34869.31ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 127.4MB in the beginning and 69.1MB in the end (delta: 58.3MB). Peak memory consumption was 103.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; VAL [\old(counter)=7, counter=0] [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [\old(counter)=0, c=0, counter=0, k=6, x=0, y=0] [L27] EXPR counter++ VAL [\old(counter)=0, c=0, counter=1, counter++=0, k=6, x=0, y=0] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=0, counter=1, k=6, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=1, counter=1, k=6, x=1, y=1] [L27] EXPR counter++ VAL [\old(counter)=0, c=1, counter=2, counter++=1, k=6, x=1, y=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=1, counter=2, k=6, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=2, counter=2, k=6, x=9, y=2] [L27] EXPR counter++ VAL [\old(counter)=0, c=2, counter=3, counter++=2, k=6, x=9, y=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=2, counter=3, k=6, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=3, counter=3, k=6, x=36, y=3] [L27] EXPR counter++ VAL [\old(counter)=0, c=3, counter=4, counter++=3, k=6, x=36, y=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=3, counter=4, k=6, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=4, counter=4, k=6, x=100, y=4] [L27] EXPR counter++ VAL [\old(counter)=0, c=4, counter=5, counter++=4, k=6, x=100, y=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=4, counter=5, k=6, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=5, counter=5, k=6, x=225, y=5] [L27] EXPR counter++ VAL [\old(counter)=0, c=5, counter=6, counter++=5, k=6, x=225, y=5] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.8s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 956 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 724 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 513 IncrementalHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 232 mSDtfsCounter, 513 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 343 SyntacticMatches, 7 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=10, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1015 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 158/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-07 20:50:22,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...