/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 16:39:31,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 16:39:31,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 16:39:31,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 16:39:31,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 16:39:31,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 16:39:31,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 16:39:31,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 16:39:31,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 16:39:31,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 16:39:31,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 16:39:31,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 16:39:31,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 16:39:31,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 16:39:31,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 16:39:31,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 16:39:31,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 16:39:31,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 16:39:31,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 16:39:31,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 16:39:31,658 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 16:39:31,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 16:39:31,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 16:39:31,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 16:39:31,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 16:39:31,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 16:39:31,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 16:39:31,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 16:39:31,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 16:39:31,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 16:39:31,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 16:39:31,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 16:39:31,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 16:39:31,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 16:39:31,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 16:39:31,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 16:39:31,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 16:39:31,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 16:39:31,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 16:39:31,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 16:39:31,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 16:39:31,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 16:39:31,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-20 16:39:31,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 16:39:31,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 16:39:31,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 16:39:31,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 16:39:31,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 16:39:31,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 16:39:31,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 16:39:31,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 16:39:31,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 16:39:31,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 16:39:31,687 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 16:39:31,688 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 16:39:31,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 16:39:31,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 16:39:31,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 16:39:31,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 16:39:31,843 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 16:39:31,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c [2022-03-20 16:39:31,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b086a4c8/43b66ce070754896ba8ad6180a66b81c/FLAGd0df114d4 [2022-03-20 16:39:32,252 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 16:39:32,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c [2022-03-20 16:39:32,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b086a4c8/43b66ce070754896ba8ad6180a66b81c/FLAGd0df114d4 [2022-03-20 16:39:32,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b086a4c8/43b66ce070754896ba8ad6180a66b81c [2022-03-20 16:39:32,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 16:39:32,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 16:39:32,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 16:39:32,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 16:39:32,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 16:39:32,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba397ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32, skipping insertion in model container [2022-03-20 16:39:32,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 16:39:32,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 16:39:32,388 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/ps2-ll_valuebound100.c[454,467] [2022-03-20 16:39:32,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 16:39:32,399 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 16:39:32,407 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/ps2-ll_valuebound100.c[454,467] [2022-03-20 16:39:32,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 16:39:32,416 INFO L208 MainTranslator]: Completed translation [2022-03-20 16:39:32,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32 WrapperNode [2022-03-20 16:39:32,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 16:39:32,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 16:39:32,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 16:39:32,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 16:39:32,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 16:39:32,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 16:39:32,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 16:39:32,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 16:39:32,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (1/1) ... [2022-03-20 16:39:32,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 16:39:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 16:39:32,454 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) [2022-03-20 16:39:32,456 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 [2022-03-20 16:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 16:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 16:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 16:39:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 16:39:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 16:39:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 16:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 16:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 16:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 16:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 16:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 16:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 16:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 16:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 16:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 16:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 16:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 16:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 16:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 16:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 16:39:32,519 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 16:39:32,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 16:39:32,646 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 16:39:32,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 16:39:32,649 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 16:39:32,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:39:32 BoogieIcfgContainer [2022-03-20 16:39:32,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 16:39:32,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 16:39:32,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 16:39:32,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 16:39:32,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 04:39:32" (1/3) ... [2022-03-20 16:39:32,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5084e73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:39:32, skipping insertion in model container [2022-03-20 16:39:32,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:39:32" (2/3) ... [2022-03-20 16:39:32,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5084e73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:39:32, skipping insertion in model container [2022-03-20 16:39:32,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:39:32" (3/3) ... [2022-03-20 16:39:32,659 INFO L111 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound100.c [2022-03-20 16:39:32,666 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 16:39:32,666 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 16:39:32,711 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 16:39:32,719 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 16:39:32,720 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 16:39:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-03-20 16:39:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-20 16:39:32,742 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 16:39:32,743 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 16:39:32,744 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 16:39:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 16:39:32,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1914087080, now seen corresponding path program 1 times [2022-03-20 16:39:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 16:39:32,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1027215410] [2022-03-20 16:39:32,770 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 16:39:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1914087080, now seen corresponding path program 2 times [2022-03-20 16:39:32,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 16:39:32,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459846392] [2022-03-20 16:39:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:39:32,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 16:39:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 16:39:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 16:39:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 16:39:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-20 16:39:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 16:39:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 16:39:32,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 16:39:32,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459846392] [2022-03-20 16:39:32,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459846392] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:39:32,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:39:32,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 16:39:32,917 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 16:39:32,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1027215410] [2022-03-20 16:39:32,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1027215410] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:39:32,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:39:32,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 16:39:32,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637980984] [2022-03-20 16:39:32,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 16:39:32,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 16:39:32,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 16:39:32,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 16:39:32,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 16:39:32,941 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 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 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 16:39:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 16:39:32,989 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-03-20 16:39:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 16:39:32,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-03-20 16:39:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 16:39:32,996 INFO L225 Difference]: With dead ends: 45 [2022-03-20 16:39:32,996 INFO L226 Difference]: Without dead ends: 22 [2022-03-20 16:39:32,998 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 16:39:33,001 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 16:39:33,003 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 16:39:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-03-20 16:39:33,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-03-20 16:39:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 16:39:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-03-20 16:39:33,036 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2022-03-20 16:39:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 16:39:33,036 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-03-20 16:39:33,037 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 16:39:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-03-20 16:39:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-20 16:39:33,038 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 16:39:33,038 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 16:39:33,038 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 16:39:33,039 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 16:39:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 16:39:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1699034386, now seen corresponding path program 1 times [2022-03-20 16:39:33,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 16:39:33,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [676371369] [2022-03-20 16:39:33,046 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 16:39:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1699034386, now seen corresponding path program 2 times [2022-03-20 16:39:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 16:39:33,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646346790] [2022-03-20 16:39:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:39:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 16:39:33,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-20 16:39:33,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377002136] [2022-03-20 16:39:33,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 16:39:33,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 16:39:33,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 16:39:33,069 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) [2022-03-20 16:39:33,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 16:39:33,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-20 16:39:33,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 16:39:33,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-20 16:39:33,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 16:39:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 16:39:33,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 16:39:33,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 16:39:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646346790] [2022-03-20 16:39:33,208 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-20 16:39:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377002136] [2022-03-20 16:39:33,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377002136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:39:33,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:39:33,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 16:39:33,210 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 16:39:33,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [676371369] [2022-03-20 16:39:33,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [676371369] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:39:33,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:39:33,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 16:39:33,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177519671] [2022-03-20 16:39:33,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 16:39:33,218 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 16:39:33,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 16:39:33,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 16:39:33,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 16:39:33,219 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 16:39:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 16:39:33,259 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-03-20 16:39:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 16:39:33,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-03-20 16:39:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 16:39:33,261 INFO L225 Difference]: With dead ends: 32 [2022-03-20 16:39:33,261 INFO L226 Difference]: Without dead ends: 29 [2022-03-20 16:39:33,262 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 16:39:33,263 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 16:39:33,266 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 16:39:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-03-20 16:39:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-03-20 16:39:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-03-20 16:39:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-03-20 16:39:33,293 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 17 [2022-03-20 16:39:33,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 16:39:33,293 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-03-20 16:39:33,293 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-20 16:39:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-03-20 16:39:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-20 16:39:33,294 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 16:39:33,294 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 16:39:33,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 16:39:33,507 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 [2022-03-20 16:39:33,508 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 16:39:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 16:39:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash 276758134, now seen corresponding path program 1 times [2022-03-20 16:39:33,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 16:39:33,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1533488147] [2022-03-20 16:39:40,721 WARN L232 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 83 DAG size of output: 73 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 16:39:40,725 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 3=1}}, 0 SequentialAcceleration, 1 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 16:39:40,726 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 16:39:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash 22480176, now seen corresponding path program 1 times [2022-03-20 16:39:40,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 16:39:40,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857550190] [2022-03-20 16:39:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:39:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 16:39:40,735 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-20 16:39:40,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46960108] [2022-03-20 16:39:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:39:40,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 16:39:40,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 16:39:40,740 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) [2022-03-20 16:39:40,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 16:39:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 16:39:41,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-20 16:39:41,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 16:39:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 16:39:42,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 16:39:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 16:39:42,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857550190] [2022-03-20 16:39:42,553 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-20 16:39:42,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46960108] [2022-03-20 16:39:42,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46960108] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:39:42,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:39:42,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 16:40:17,279 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_main_~c~0_BEFORE_RETURN_1 Int) (v_main_~y~0_14 Int) (v_main_~k~0_BEFORE_RETURN_1 Int) (v_main_~x~0_14 Int) (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 Int)) (let ((.cse2 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 1)) (.cse0 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 0))) (and (let ((.cse1 (= (+ (* (- 2) c_main_~x~0) c_main_~y~0 (* c_main_~y~0 c_main_~y~0)) 0))) (or (and .cse0 (not .cse1)) (and .cse2 .cse1))) (let ((.cse4 (* (- 1) v_main_~c~0_BEFORE_RETURN_1)) (.cse5 (* (- 1) v_main_~y~0_14))) (or (and (= v_main_~x~0_14 0) (= v_main_~y~0_14 0)) (let ((.cse3 (div .cse5 (- 2)))) (and (= v_main_~x~0_14 (+ (* (* .cse3 .cse3) 2) .cse3)) (= (mod v_main_~y~0_14 2) 0) (< .cse3 (+ (div (+ .cse4 v_main_~k~0_BEFORE_RETURN_1 (- 2) (* 2 .cse3)) 2) 2)) (< 0 .cse3))) (let ((.cse6 (div (+ 1 .cse5) 2))) (and (= (+ (* 2 (* .cse6 .cse6)) 1) (+ v_main_~x~0_14 (* .cse6 3))) (<= .cse6 0) (= (mod (+ v_main_~y~0_14 1) 2) 0) (< 0 (+ (div (+ .cse4 v_main_~k~0_BEFORE_RETURN_1 (* (- 2) .cse6)) 2) .cse6 1)))))) (let ((.cse7 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14) (* v_main_~x~0_14 (- 2))) 0))) (or (and .cse2 .cse7) (and (not .cse7) .cse0)))))) is different from true [2022-03-20 16:40:20,236 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 16:40:20,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1533488147] [2022-03-20 16:40:20,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1533488147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:40:20,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:40:20,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 16:40:20,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615804136] [2022-03-20 16:40:20,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 16:40:20,237 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-20 16:40:20,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 16:40:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-20 16:40:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=81, Unknown=3, NotChecked=18, Total=132 [2022-03-20 16:40:20,237 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 16:40:27,260 WARN L232 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 120 DAG size of output: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-20 16:40:27,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 16:40:27,275 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2022-03-20 16:40:27,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 16:40:27,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-03-20 16:40:27,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 16:40:27,276 INFO L225 Difference]: With dead ends: 35 [2022-03-20 16:40:27,277 INFO L226 Difference]: Without dead ends: 31 [2022-03-20 16:40:27,277 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 42.7s TimeCoverageRelationStatistics Valid=35, Invalid=98, Unknown=3, NotChecked=20, Total=156 [2022-03-20 16:40:27,277 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 16:40:27,278 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 107 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 38 Unchecked, 0.0s Time] [2022-03-20 16:40:27,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-03-20 16:40:27,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-03-20 16:40:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-03-20 16:40:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2022-03-20 16:40:27,285 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 24 [2022-03-20 16:40:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 16:40:27,285 INFO L478 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2022-03-20 16:40:27,285 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 16:40:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-03-20 16:40:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 16:40:27,286 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 16:40:27,286 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 16:40:27,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-20 16:40:27,486 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 [2022-03-20 16:40:27,487 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 16:40:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 16:40:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1991712461, now seen corresponding path program 1 times [2022-03-20 16:40:27,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 16:40:27,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [839410804] [2022-03-20 16:40:29,163 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 3 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 3=1}}, 0 SequentialAcceleration, 1 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 16:40:29,164 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 16:40:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1936089671, now seen corresponding path program 1 times [2022-03-20 16:40:29,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 16:40:29,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447289270] [2022-03-20 16:40:29,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:40:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 16:40:29,172 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-20 16:40:29,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944936425] [2022-03-20 16:40:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 16:40:29,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 16:40:29,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 16:40:29,173 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) [2022-03-20 16:40:29,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 16:40:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 16:40:29,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-20 16:40:29,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 16:40:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 16:40:29,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 16:40:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 16:40:29,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 16:40:29,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447289270] [2022-03-20 16:40:29,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-20 16:40:29,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944936425] [2022-03-20 16:40:29,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944936425] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 16:40:29,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-20 16:40:29,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2022-03-20 16:40:30,391 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 16:40:30,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [839410804] [2022-03-20 16:40:30,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [839410804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 16:40:30,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 16:40:30,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-20 16:40:30,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576883848] [2022-03-20 16:40:30,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 16:40:30,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-20 16:40:30,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 16:40:30,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-20 16:40:30,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-03-20 16:40:30,393 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-20 16:40:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 16:40:30,604 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-03-20 16:40:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 16:40:30,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2022-03-20 16:40:30,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 16:40:30,605 INFO L225 Difference]: With dead ends: 31 [2022-03-20 16:40:30,605 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 16:40:30,605 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-03-20 16:40:30,606 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 16:40:30,606 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 120 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 16:40:30,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 16:40:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 16:40:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 16:40:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 16:40:30,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-03-20 16:40:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 16:40:30,607 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 16:40:30,607 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-20 16:40:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 16:40:30,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 16:40:30,608 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 16:40:30,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 16:40:30,809 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 [2022-03-20 16:40:30,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 16:40:49,211 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-03-20 16:40:49,211 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-03-20 16:40:49,211 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 6 8) the Hoare annotation is: true [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point L7(line 7) the Hoare annotation is: true [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point L7-2(lines 6 8) the Hoare annotation is: true [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point assume_abort_if_notEXIT(lines 6 8) the Hoare annotation is: true [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 17 40) the Hoare annotation is: true [2022-03-20 16:40:49,212 INFO L878 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (or (and (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))) (= main_~y~0 0)) (and (< 0 (div (* (- 1) main_~y~0) (- 2))) (exists ((v_main_~c~0_BEFORE_RETURN_1 Int) (v_main_~y~0_14 Int) (v_main_~k~0_BEFORE_RETURN_1 Int) (v_main_~x~0_14 Int) (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 Int)) (let ((.cse0 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 1)) (.cse2 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 0))) (and (let ((.cse1 (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))))) (or (and .cse0 .cse1) (and .cse2 (not .cse1)))) (let ((.cse3 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (or (and .cse3 .cse0) (and .cse2 (not .cse3)))) (let ((.cse5 (* (- 1) v_main_~c~0_BEFORE_RETURN_1)) (.cse6 (* (- 1) v_main_~y~0_14))) (or (and (= v_main_~x~0_14 0) (= v_main_~y~0_14 0)) (let ((.cse4 (div .cse6 (- 2)))) (and (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4)) (= (mod v_main_~y~0_14 2) 0) (< .cse4 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (- 2) (* 2 .cse4)) 2) 2)) (< 0 .cse4))) (let ((.cse7 (div (+ 1 .cse6) 2))) (and (= (+ (* 2 (* .cse7 .cse7)) 1) (+ v_main_~x~0_14 (* .cse7 3))) (<= .cse7 0) (= (mod (+ v_main_~y~0_14 1) 2) 0) (< 0 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (* (- 2) .cse7)) 2) .cse7 1))))))))) (< main_~c~0 (+ main_~k~0 1)))) [2022-03-20 16:40:49,212 INFO L878 garLoopResultBuilder]: At program point L28-1(lines 27 36) the Hoare annotation is: (or (and (exists ((v_main_~c~0_BEFORE_RETURN_1 Int) (v_main_~y~0_14 Int) (v_main_~k~0_BEFORE_RETURN_1 Int) (v_main_~x~0_14 Int) (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 Int)) (let ((.cse0 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 1)) (.cse2 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 0))) (and (let ((.cse1 (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))))) (or (and .cse0 .cse1) (and .cse2 (not .cse1)))) (let ((.cse3 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (or (and .cse3 .cse0) (and .cse2 (not .cse3)))) (let ((.cse5 (* (- 1) v_main_~c~0_BEFORE_RETURN_1)) (.cse6 (* (- 1) v_main_~y~0_14))) (or (and (= v_main_~x~0_14 0) (= v_main_~y~0_14 0)) (let ((.cse4 (div .cse6 (- 2)))) (and (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4)) (= (mod v_main_~y~0_14 2) 0) (< .cse4 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (- 2) (* 2 .cse4)) 2) 2)) (< 0 .cse4))) (let ((.cse7 (div (+ 1 .cse6) 2))) (and (= (+ (* 2 (* .cse7 .cse7)) 1) (+ v_main_~x~0_14 (* .cse7 3))) (<= .cse7 0) (= (mod (+ v_main_~y~0_14 1) 2) 0) (< 0 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (* (- 2) .cse7)) 2) .cse7 1))))))))) (< main_~c~0 (+ main_~k~0 1))) (and (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))) (= main_~y~0 0))) [2022-03-20 16:40:49,212 INFO L878 garLoopResultBuilder]: At program point L27-2(lines 27 36) the Hoare annotation is: (or (and (exists ((v_main_~c~0_BEFORE_RETURN_1 Int) (v_main_~y~0_14 Int) (v_main_~k~0_BEFORE_RETURN_1 Int) (v_main_~x~0_14 Int) (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 Int)) (let ((.cse0 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 1)) (.cse2 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 0))) (and (let ((.cse1 (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))))) (or (and .cse0 .cse1) (and .cse2 (not .cse1)))) (let ((.cse3 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (or (and .cse3 .cse0) (and .cse2 (not .cse3)))) (let ((.cse5 (* (- 1) v_main_~c~0_BEFORE_RETURN_1)) (.cse6 (* (- 1) v_main_~y~0_14))) (or (and (= v_main_~x~0_14 0) (= v_main_~y~0_14 0)) (let ((.cse4 (div .cse6 (- 2)))) (and (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4)) (= (mod v_main_~y~0_14 2) 0) (< .cse4 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (- 2) (* 2 .cse4)) 2) 2)) (< 0 .cse4))) (let ((.cse7 (div (+ 1 .cse6) 2))) (and (= (+ (* 2 (* .cse7 .cse7)) 1) (+ v_main_~x~0_14 (* .cse7 3))) (<= .cse7 0) (= (mod (+ v_main_~y~0_14 1) 2) 0) (< 0 (+ (div (+ .cse5 v_main_~k~0_BEFORE_RETURN_1 (* (- 2) .cse7)) 2) .cse7 1))))))))) (< main_~c~0 (+ main_~k~0 1))) (and (= (* main_~x~0 2) (+ main_~y~0 (* main_~y~0 main_~y~0))) (= main_~y~0 0))) [2022-03-20 16:40:49,212 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 17 40) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L878 garLoopResultBuilder]: At program point L27-3(lines 27 36) the Hoare annotation is: (or (and (= main_~x~0 0) (= main_~y~0 0)) (and (= (+ (* main_~x~0 2) (* (- 2) main_~y~0)) (+ (- 1) main_~y~0 (let ((.cse0 (+ (- 1) main_~y~0))) (* .cse0 .cse0)))) (< main_~c~0 (+ main_~k~0 1)))) [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point L21-1(line 21) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 17 40) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2022-03-20 16:40:49,213 INFO L878 garLoopResultBuilder]: At program point L11(lines 11 12) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~cond|)) [2022-03-20 16:40:49,213 INFO L878 garLoopResultBuilder]: At program point L10(lines 10 13) the Hoare annotation is: (and (or (not (<= 1 |__VERIFIER_assert_#in~cond|)) (<= 1 __VERIFIER_assert_~cond)) (or (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (forall ((v_main_~y~0_14 Int) (v_main_~x~0_14 Int)) (or (let ((.cse0 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (and (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse0) (or (not (= |__VERIFIER_assert_#in~cond| 1)) (not .cse0)))) (let ((.cse1 (* (- 1) main_~c~0)) (.cse3 (* (- 1) v_main_~y~0_14))) (and (or (not (= v_main_~y~0_14 0)) (not (= v_main_~x~0_14 0))) (let ((.cse2 (div (+ 1 .cse3) 2))) (or (not (< 0 (+ (div (+ .cse1 (* (- 2) .cse2) main_~k~0) 2) .cse2 1))) (not (<= .cse2 0)) (not (= (+ (* 2 (* .cse2 .cse2)) 1) (+ v_main_~x~0_14 (* .cse2 3)))) (not (= (mod (+ v_main_~y~0_14 1) 2) 0)))) (let ((.cse4 (div .cse3 (- 2)))) (or (not (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4))) (not (< .cse4 (+ (div (+ (- 2) .cse1 main_~k~0 (* 2 .cse4)) 2) 2))) (not (< 0 .cse4)) (not (= (mod v_main_~y~0_14 2) 0)))))))))) [2022-03-20 16:40:49,214 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (forall ((v_main_~y~0_14 Int) (v_main_~x~0_14 Int)) (or (let ((.cse0 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (and (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse0) (or (not (= |__VERIFIER_assert_#in~cond| 1)) (not .cse0)))) (let ((.cse1 (* (- 1) main_~c~0)) (.cse3 (* (- 1) v_main_~y~0_14))) (and (or (not (= v_main_~y~0_14 0)) (not (= v_main_~x~0_14 0))) (let ((.cse2 (div (+ 1 .cse3) 2))) (or (not (< 0 (+ (div (+ .cse1 (* (- 2) .cse2) main_~k~0) 2) .cse2 1))) (not (<= .cse2 0)) (not (= (+ (* 2 (* .cse2 .cse2)) 1) (+ v_main_~x~0_14 (* .cse2 3)))) (not (= (mod (+ v_main_~y~0_14 1) 2) 0)))) (let ((.cse4 (div .cse3 (- 2)))) (or (not (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4))) (not (< .cse4 (+ (div (+ (- 2) .cse1 main_~k~0 (* 2 .cse4)) 2) 2))) (not (< 0 .cse4)) (not (= (mod v_main_~y~0_14 2) 0))))))))) [2022-03-20 16:40:49,214 INFO L878 garLoopResultBuilder]: At program point L10-2(lines 9 15) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (forall ((v_main_~y~0_14 Int) (v_main_~x~0_14 Int)) (or (let ((.cse0 (= (+ v_main_~y~0_14 (* v_main_~y~0_14 v_main_~y~0_14)) (* v_main_~x~0_14 2)))) (and (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse0) (or (not (= |__VERIFIER_assert_#in~cond| 1)) (not .cse0)))) (let ((.cse1 (* (- 1) main_~c~0)) (.cse3 (* (- 1) v_main_~y~0_14))) (and (or (not (= v_main_~y~0_14 0)) (not (= v_main_~x~0_14 0))) (let ((.cse2 (div (+ 1 .cse3) 2))) (or (not (< 0 (+ (div (+ .cse1 (* (- 2) .cse2) main_~k~0) 2) .cse2 1))) (not (<= .cse2 0)) (not (= (+ (* 2 (* .cse2 .cse2)) 1) (+ v_main_~x~0_14 (* .cse2 3)))) (not (= (mod (+ v_main_~y~0_14 1) 2) 0)))) (let ((.cse4 (div .cse3 (- 2)))) (or (not (= v_main_~x~0_14 (+ (* (* .cse4 .cse4) 2) .cse4))) (not (< .cse4 (+ (div (+ (- 2) .cse1 main_~k~0 (* 2 .cse4)) 2) 2))) (not (< 0 .cse4)) (not (= (mod v_main_~y~0_14 2) 0))))))))) [2022-03-20 16:40:49,214 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~cond|)) [2022-03-20 16:40:49,218 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2022-03-20 16:40:49,219 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 16:40:49,223 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,234 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 04:40:49 BoogieIcfgContainer [2022-03-20 16:40:49,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 16:40:49,245 INFO L158 Benchmark]: Toolchain (without parser) took 76975.07ms. Allocated memory was 192.9MB in the beginning and 260.0MB in the end (delta: 67.1MB). Free memory was 143.9MB in the beginning and 125.4MB in the end (delta: 18.4MB). Peak memory consumption was 86.4MB. Max. memory is 8.0GB. [2022-03-20 16:40:49,245 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 16:40:49,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.37ms. Allocated memory is still 192.9MB. Free memory was 143.7MB in the beginning and 169.1MB in the end (delta: -25.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-20 16:40:49,245 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 192.9MB. Free memory was 169.1MB in the beginning and 167.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-20 16:40:49,246 INFO L158 Benchmark]: RCFGBuilder took 217.22ms. Allocated memory is still 192.9MB. Free memory was 167.5MB in the beginning and 157.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-20 16:40:49,246 INFO L158 Benchmark]: TraceAbstraction took 76592.81ms. Allocated memory was 192.9MB in the beginning and 260.0MB in the end (delta: 67.1MB). Free memory was 156.8MB in the beginning and 125.4MB in the end (delta: 31.4MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2022-03-20 16:40:49,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 146.37ms. Allocated memory is still 192.9MB. Free memory was 143.7MB in the beginning and 169.1MB in the end (delta: -25.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 192.9MB. Free memory was 169.1MB in the beginning and 167.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.22ms. Allocated memory is still 192.9MB. Free memory was 167.5MB in the beginning and 157.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 76592.81ms. Allocated memory was 192.9MB in the beginning and 260.0MB in the end (delta: 67.1MB). Free memory was 156.8MB in the beginning and 125.4MB in the end (delta: 31.4MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 84 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 43.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 57 PreInvPairs, 83 NumberOfFragments, 1292 HoareAnnotationTreeSize, 57 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 3760 FormulaSimplificationTreeSizeReductionInter, 18.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant [2022-03-20 16:40:49,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,257 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~k~0_BEFORE_RETURN_1,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] Derived loop invariant: ((\exists v_main_~c~0_BEFORE_RETURN_1 : int, v_main_~y~0_14 : int, v_main_~k~0_BEFORE_RETURN_1 : int, v_main_~x~0_14 : int, v___VERIFIER_assert_~cond_BEFORE_RETURN_1 : int :: (((v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 1 && x * 2 == y + y * y) || (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 0 && !(x * 2 == y + y * y))) && ((v_main_~y~0_14 + v_main_~y~0_14 * v_main_~y~0_14 == v_main_~x~0_14 * 2 && v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 1) || (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 0 && !(v_main_~y~0_14 + v_main_~y~0_14 * v_main_~y~0_14 == v_main_~x~0_14 * 2)))) && (((v_main_~x~0_14 == 0 && v_main_~y~0_14 == 0) || (((v_main_~x~0_14 == -1 * v_main_~y~0_14 / -2 * (-1 * v_main_~y~0_14 / -2) * 2 + -1 * v_main_~y~0_14 / -2 && v_main_~y~0_14 % 2 == 0) && -1 * v_main_~y~0_14 / -2 < (-1 * v_main_~c~0_BEFORE_RETURN_1 + v_main_~k~0_BEFORE_RETURN_1 + -2 + 2 * (-1 * v_main_~y~0_14 / -2)) / 2 + 2) && 0 < -1 * v_main_~y~0_14 / -2)) || (((2 * ((1 + -1 * v_main_~y~0_14) / 2 * ((1 + -1 * v_main_~y~0_14) / 2)) + 1 == v_main_~x~0_14 + (1 + -1 * v_main_~y~0_14) / 2 * 3 && (1 + -1 * v_main_~y~0_14) / 2 <= 0) && (v_main_~y~0_14 + 1) % 2 == 0) && 0 < (-1 * v_main_~c~0_BEFORE_RETURN_1 + v_main_~k~0_BEFORE_RETURN_1 + -2 * ((1 + -1 * v_main_~y~0_14) / 2)) / 2 + (1 + -1 * v_main_~y~0_14) / 2 + 1))) && c < k + 1) || (x * 2 == y + y * y && y == 0) - ProcedureContractResult [Line: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] [2022-03-20 16:40:49,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~y~0_14,QUANTIFIED] Derived contract for procedure __VERIFIER_assert: \old(cond) == cond || (forall v_main_~y~0_14 : int, v_main_~x~0_14 : int :: ((!(\old(cond) == 0) || v_main_~y~0_14 + v_main_~y~0_14 * v_main_~y~0_14 == v_main_~x~0_14 * 2) && (!(\old(cond) == 1) || !(v_main_~y~0_14 + v_main_~y~0_14 * v_main_~y~0_14 == v_main_~x~0_14 * 2))) || (((!(v_main_~y~0_14 == 0) || !(v_main_~x~0_14 == 0)) && (((!(0 < (-1 * c + -2 * ((1 + -1 * v_main_~y~0_14) / 2) + k) / 2 + (1 + -1 * v_main_~y~0_14) / 2 + 1) || !((1 + -1 * v_main_~y~0_14) / 2 <= 0)) || !(2 * ((1 + -1 * v_main_~y~0_14) / 2 * ((1 + -1 * v_main_~y~0_14) / 2)) + 1 == v_main_~x~0_14 + (1 + -1 * v_main_~y~0_14) / 2 * 3)) || !((v_main_~y~0_14 + 1) % 2 == 0))) && (((!(v_main_~x~0_14 == -1 * v_main_~y~0_14 / -2 * (-1 * v_main_~y~0_14 / -2) * 2 + -1 * v_main_~y~0_14 / -2) || !(-1 * v_main_~y~0_14 / -2 < (-2 + -1 * c + k + 2 * (-1 * v_main_~y~0_14 / -2)) / 2 + 2)) || !(0 < -1 * v_main_~y~0_14 / -2)) || !(v_main_~y~0_14 % 2 == 0)))) RESULT: Ultimate proved your program to be correct! [2022-03-20 16:40:49,405 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...