/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 20:24:05,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 20:24:05,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 20:24:05,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 20:24:05,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 20:24:05,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 20:24:05,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 20:24:05,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 20:24:05,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 20:24:05,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 20:24:05,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 20:24:05,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 20:24:05,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 20:24:05,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 20:24:05,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 20:24:05,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 20:24:05,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 20:24:05,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 20:24:05,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 20:24:05,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 20:24:05,519 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 20:24:05,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 20:24:05,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 20:24:05,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 20:24:05,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 20:24:05,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 20:24:05,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-07 20:24:05,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-07 20:24:05,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-07 20:24:05,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-07 20:24:05,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-07 20:24:05,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-07 20:24:05,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-07 20:24:05,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-07 20:24:05,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 20:24:05,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 20:24:05,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 20:24:05,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 20:24:05,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 20:24:05,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 20:24:05,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 20:24:05,536 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 20:24:05,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 20:24:05,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 20:24:05,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 20:24:05,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 20:24:05,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 20:24:05,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 20:24:05,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 20:24:05,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 20:24:05,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 20:24:05,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:24:05,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 20:24:05,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 20:24:05,539 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 20:24:05,539 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 20:24:05,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 20:24:05,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 20:24:05,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 20:24:05,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 20:24:05,695 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 20:24:05,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c [2022-04-07 20:24:05,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbe5aa6/6700101a3d66466688a8910608077dbe/FLAG61349070a [2022-04-07 20:24:06,077 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 20:24:06,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound2.c [2022-04-07 20:24:06,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbe5aa6/6700101a3d66466688a8910608077dbe/FLAG61349070a [2022-04-07 20:24:06,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfbe5aa6/6700101a3d66466688a8910608077dbe [2022-04-07 20:24:06,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 20:24:06,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 20:24:06,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 20:24:06,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 20:24:06,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 20:24:06,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5b65ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06, skipping insertion in model container [2022-04-07 20:24:06,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 20:24:06,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 20:24:06,259 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/lcm2_valuebound2.c[537,550] [2022-04-07 20:24:06,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:24:06,293 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 20:24:06,303 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/lcm2_valuebound2.c[537,550] [2022-04-07 20:24:06,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:24:06,315 INFO L208 MainTranslator]: Completed translation [2022-04-07 20:24:06,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06 WrapperNode [2022-04-07 20:24:06,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 20:24:06,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 20:24:06,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 20:24:06,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 20:24:06,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 20:24:06,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 20:24:06,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 20:24:06,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 20:24:06,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:24:06,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:24:06,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-07 20:24:06,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-07 20:24:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 20:24:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 20:24:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 20:24:06,428 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 20:24:06,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 20:24:06,564 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 20:24:06,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 20:24:06,569 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-07 20:24:06,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:24:06 BoogieIcfgContainer [2022-04-07 20:24:06,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 20:24:06,571 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 20:24:06,571 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 20:24:06,572 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 20:24:06,576 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:24:06" (1/1) ... [2022-04-07 20:24:06,582 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 20:24:06,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:24:06 BasicIcfg [2022-04-07 20:24:06,600 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 20:24:06,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 20:24:06,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 20:24:06,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 20:24:06,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 08:24:06" (1/4) ... [2022-04-07 20:24:06,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86d628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:24:06, skipping insertion in model container [2022-04-07 20:24:06,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:24:06" (2/4) ... [2022-04-07 20:24:06,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86d628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:24:06, skipping insertion in model container [2022-04-07 20:24:06,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:24:06" (3/4) ... [2022-04-07 20:24:06,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86d628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 08:24:06, skipping insertion in model container [2022-04-07 20:24:06,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:24:06" (4/4) ... [2022-04-07 20:24:06,619 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm2_valuebound2.cJordan [2022-04-07 20:24:06,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 20:24:06,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 20:24:06,647 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 20:24:06,652 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-07 20:24:06,652 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 20:24:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-07 20:24:06,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-07 20:24:06,671 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:24:06,671 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:24:06,672 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:24:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:24:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash -419271626, now seen corresponding path program 1 times [2022-04-07 20:24:06,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:24:06,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451393473] [2022-04-07 20:24:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:24:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:24:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 20:24:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,832 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {37#true} is VALID [2022-04-07 20:24:06,833 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-07 20:24:06,833 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-07 20:24:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 20:24:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,839 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,840 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,840 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {37#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-07 20:24:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,846 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,847 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,847 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-07 20:24:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,852 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,853 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,853 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,853 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-07 20:24:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,859 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,859 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,859 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,860 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-07 20:24:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,865 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,865 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,866 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,866 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-07 20:24:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:06,871 INFO L290 TraceCheckUtils]: 0: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,872 INFO L290 TraceCheckUtils]: 1: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,872 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,872 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#false} {38#false} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,873 INFO L272 TraceCheckUtils]: 0: Hoare triple {37#true} [82] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 20:24:06,873 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {37#true} is VALID [2022-04-07 20:24:06,874 INFO L290 TraceCheckUtils]: 2: Hoare triple {37#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-07 20:24:06,874 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-07 20:24:06,874 INFO L272 TraceCheckUtils]: 4: Hoare triple {37#true} [83] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#true} is VALID [2022-04-07 20:24:06,874 INFO L290 TraceCheckUtils]: 5: Hoare triple {37#true} [86] mainENTRY-->L23: Formula: (= v_main_~a~0_1 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_5, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_1, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {37#true} is VALID [2022-04-07 20:24:06,874 INFO L272 TraceCheckUtils]: 6: Hoare triple {37#true} [88] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-07 20:24:06,875 INFO L290 TraceCheckUtils]: 7: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,875 INFO L290 TraceCheckUtils]: 8: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,875 INFO L290 TraceCheckUtils]: 9: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,875 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {38#false} {37#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,875 INFO L290 TraceCheckUtils]: 11: Hoare triple {38#false} [89] L23-1-->L25: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {38#false} is VALID [2022-04-07 20:24:06,876 INFO L272 TraceCheckUtils]: 12: Hoare triple {38#false} [91] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-07 20:24:06,876 INFO L290 TraceCheckUtils]: 13: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,876 INFO L290 TraceCheckUtils]: 14: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,876 INFO L290 TraceCheckUtils]: 15: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,877 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {38#false} {38#false} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,877 INFO L272 TraceCheckUtils]: 17: Hoare triple {38#false} [94] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-07 20:24:06,877 INFO L290 TraceCheckUtils]: 18: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,877 INFO L290 TraceCheckUtils]: 19: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,878 INFO L290 TraceCheckUtils]: 20: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,878 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {38#false} {38#false} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,878 INFO L272 TraceCheckUtils]: 22: Hoare triple {38#false} [96] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-07 20:24:06,878 INFO L290 TraceCheckUtils]: 23: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,878 INFO L290 TraceCheckUtils]: 24: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,879 INFO L290 TraceCheckUtils]: 25: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,879 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {38#false} {38#false} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,879 INFO L272 TraceCheckUtils]: 27: Hoare triple {38#false} [97] L27-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {37#true} is VALID [2022-04-07 20:24:06,879 INFO L290 TraceCheckUtils]: 28: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,880 INFO L290 TraceCheckUtils]: 29: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,880 INFO L290 TraceCheckUtils]: 30: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,880 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {38#false} {38#false} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,880 INFO L272 TraceCheckUtils]: 32: Hoare triple {38#false} [98] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {37#true} is VALID [2022-04-07 20:24:06,880 INFO L290 TraceCheckUtils]: 33: Hoare triple {37#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {37#true} is VALID [2022-04-07 20:24:06,881 INFO L290 TraceCheckUtils]: 34: Hoare triple {37#true} [92] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,881 INFO L290 TraceCheckUtils]: 35: Hoare triple {38#false} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,881 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {38#false} {38#false} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {38#false} is VALID [2022-04-07 20:24:06,881 INFO L290 TraceCheckUtils]: 37: Hoare triple {38#false} [99] L30-->L43-2: Formula: (and (= v_main_~a~0_8 v_main_~v~0_6) (= v_main_~b~0_7 v_main_~y~0_7) (= v_main_~b~0_7 v_main_~u~0_6) (= v_main_~a~0_8 v_main_~x~0_7)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_6, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_6, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {38#false} is VALID [2022-04-07 20:24:06,881 INFO L290 TraceCheckUtils]: 38: Hoare triple {38#false} [100] L43-2-->L37-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,882 INFO L272 TraceCheckUtils]: 39: Hoare triple {38#false} [103] L37-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod (* (* 2 v_main_~a~0_14) v_main_~b~0_13) 4294967296) (mod (+ (* v_main_~x~0_11 v_main_~u~0_9) (* v_main_~y~0_11 v_main_~v~0_9)) 4294967296)) 1 0)) InVars {main_~v~0=v_main_~v~0_9, main_~x~0=v_main_~x~0_11, main_~y~0=v_main_~y~0_11, main_~b~0=v_main_~b~0_13, main_~u~0=v_main_~u~0_9, main_~a~0=v_main_~a~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {38#false} is VALID [2022-04-07 20:24:06,882 INFO L290 TraceCheckUtils]: 40: Hoare triple {38#false} [106] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {38#false} is VALID [2022-04-07 20:24:06,882 INFO L290 TraceCheckUtils]: 41: Hoare triple {38#false} [110] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,882 INFO L290 TraceCheckUtils]: 42: Hoare triple {38#false} [114] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#false} is VALID [2022-04-07 20:24:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-07 20:24:06,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:24:06,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451393473] [2022-04-07 20:24:06,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451393473] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:24:06,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:24:06,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-07 20:24:06,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861623008] [2022-04-07 20:24:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:24:06,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-07 20:24:06,890 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:24:06,892 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:24:06,928 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:24:06,928 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-07 20:24:06,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:24:06,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-07 20:24:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:24:06,949 INFO L87 Difference]: Start difference. First operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:24:07,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:07,087 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-04-07 20:24:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-07 20:24:07,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-07 20:24:07,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:24:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:24:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2022-04-07 20:24:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:24:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2022-04-07 20:24:07,112 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 45 transitions. [2022-04-07 20:24:07,155 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:24:07,163 INFO L225 Difference]: With dead ends: 34 [2022-04-07 20:24:07,163 INFO L226 Difference]: Without dead ends: 29 [2022-04-07 20:24:07,164 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:24:07,168 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:24:07,169 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:24:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-07 20:24:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-07 20:24:07,186 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:24:07,186 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:24:07,187 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:24:07,187 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:24:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:07,190 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-04-07 20:24:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-07 20:24:07,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:24:07,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:24:07,191 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 29 states. [2022-04-07 20:24:07,191 INFO L87 Difference]: Start difference. First operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 29 states. [2022-04-07 20:24:07,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:07,194 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-04-07 20:24:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-07 20:24:07,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:24:07,194 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:24:07,194 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:24:07,194 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:24:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 20:24:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-04-07 20:24:07,197 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 43 [2022-04-07 20:24:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:24:07,197 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-04-07 20:24:07,197 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:24:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-07 20:24:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-07 20:24:07,198 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:24:07,198 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:24:07,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 20:24:07,199 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:24:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:24:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1223303911, now seen corresponding path program 1 times [2022-04-07 20:24:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:24:07,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323713690] [2022-04-07 20:24:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:24:07,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:24:07,219 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:24:07,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633345452] [2022-04-07 20:24:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:24:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:24:07,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:24:07,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:24:07,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-07 20:24:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:07,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 30 conjunts are in the unsatisfiable core [2022-04-07 20:24:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:24:07,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:24:07,793 INFO L272 TraceCheckUtils]: 0: Hoare triple {190#true} [82] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,794 INFO L290 TraceCheckUtils]: 1: Hoare triple {190#true} [84] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= 108 (select .cse1 0)) (= (select .cse1 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse1 2) 109) (= (select |v_#valid_1| 1) 1) (= (select .cse1 3) 50) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {190#true} is VALID [2022-04-07 20:24:07,795 INFO L290 TraceCheckUtils]: 2: Hoare triple {190#true} [87] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,795 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {190#true} {190#true} [117] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,795 INFO L272 TraceCheckUtils]: 4: Hoare triple {190#true} [83] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,795 INFO L290 TraceCheckUtils]: 5: Hoare triple {190#true} [86] mainENTRY-->L23: Formula: (= v_main_~a~0_1 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_5, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_1, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,796 INFO L272 TraceCheckUtils]: 6: Hoare triple {190#true} [88] L23-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,796 INFO L290 TraceCheckUtils]: 7: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,796 INFO L290 TraceCheckUtils]: 8: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,796 INFO L290 TraceCheckUtils]: 9: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {190#true} {190#true} [118] assume_abort_if_notEXIT-->L23-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_10 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L290 TraceCheckUtils]: 11: Hoare triple {190#true} [89] L23-1-->L25: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L272 TraceCheckUtils]: 12: Hoare triple {190#true} [91] L25-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L290 TraceCheckUtils]: 13: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L290 TraceCheckUtils]: 14: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,797 INFO L290 TraceCheckUtils]: 15: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,798 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {190#true} {190#true} [119] assume_abort_if_notEXIT-->L25-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_9 4294967296) 2) 1 0)) InVars {main_~b~0=v_main_~b~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L272 TraceCheckUtils]: 17: Hoare triple {190#true} [94] L25-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L290 TraceCheckUtils]: 18: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L290 TraceCheckUtils]: 19: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L290 TraceCheckUtils]: 20: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {190#true} {190#true} [120] assume_abort_if_notEXIT-->L26: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_11 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,799 INFO L272 TraceCheckUtils]: 22: Hoare triple {190#true} [96] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L290 TraceCheckUtils]: 23: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L290 TraceCheckUtils]: 24: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L290 TraceCheckUtils]: 25: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {190#true} {190#true} [121] assume_abort_if_notEXIT-->L27: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_4| (ite (<= 1 (mod v_main_~b~0_10 4294967296)) 1 0)) InVars {main_~b~0=v_main_~b~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L272 TraceCheckUtils]: 27: Hoare triple {190#true} [97] L27-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L290 TraceCheckUtils]: 28: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,800 INFO L290 TraceCheckUtils]: 29: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,802 INFO L290 TraceCheckUtils]: 30: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,803 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {190#true} {190#true} [122] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_12 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {190#true} is VALID [2022-04-07 20:24:07,803 INFO L272 TraceCheckUtils]: 32: Hoare triple {190#true} [98] L29-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,803 INFO L290 TraceCheckUtils]: 33: Hoare triple {190#true} [90] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {190#true} is VALID [2022-04-07 20:24:07,803 INFO L290 TraceCheckUtils]: 34: Hoare triple {190#true} [93] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,803 INFO L290 TraceCheckUtils]: 35: Hoare triple {190#true} [95] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {190#true} is VALID [2022-04-07 20:24:07,804 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {190#true} {190#true} [123] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_11 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {190#true} is VALID [2022-04-07 20:24:07,804 INFO L290 TraceCheckUtils]: 37: Hoare triple {190#true} [99] L30-->L43-2: Formula: (and (= v_main_~a~0_8 v_main_~v~0_6) (= v_main_~b~0_7 v_main_~y~0_7) (= v_main_~b~0_7 v_main_~u~0_6) (= v_main_~a~0_8 v_main_~x~0_7)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_6, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_6, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {306#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-07 20:24:07,805 INFO L290 TraceCheckUtils]: 38: Hoare triple {306#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [102] L43-2-->L38: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {306#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-07 20:24:07,806 INFO L272 TraceCheckUtils]: 39: Hoare triple {306#(and (= main_~a~0 main_~v~0) (= main_~b~0 main_~y~0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [104] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~y~0_10 v_main_~v~0_8) (* v_main_~x~0_10 v_main_~u~0_8)) 4294967296) (mod (* (* 2 v_main_~a~0_13) v_main_~b~0_12) 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_8, main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_10, main_~b~0=v_main_~b~0_12, main_~u~0=v_main_~u~0_8, main_~a~0=v_main_~a~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {313#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2022-04-07 20:24:07,807 INFO L290 TraceCheckUtils]: 40: Hoare triple {313#(= |__VERIFIER_assert_#in~cond| 1)} [106] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {317#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:24:07,809 INFO L290 TraceCheckUtils]: 41: Hoare triple {317#(<= 1 __VERIFIER_assert_~cond)} [110] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {191#false} is VALID [2022-04-07 20:24:07,809 INFO L290 TraceCheckUtils]: 42: Hoare triple {191#false} [114] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {191#false} is VALID [2022-04-07 20:24:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-07 20:24:07,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 20:24:07,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:24:07,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323713690] [2022-04-07 20:24:07,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:24:07,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633345452] [2022-04-07 20:24:07,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633345452] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:24:07,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:24:07,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 20:24:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672792011] [2022-04-07 20:24:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:24:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-07 20:24:07,819 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:24:07,820 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:24:07,842 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:24:07,842 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 20:24:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:24:07,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 20:24:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 20:24:07,843 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:24:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:07,986 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-07 20:24:07,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 20:24:07,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-07 20:24:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:24:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:24:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-04-07 20:24:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:24:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-04-07 20:24:07,990 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2022-04-07 20:24:08,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:24:08,030 INFO L225 Difference]: With dead ends: 38 [2022-04-07 20:24:08,030 INFO L226 Difference]: Without dead ends: 37 [2022-04-07 20:24:08,031 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-07 20:24:08,031 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 20:24:08,032 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 105 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 20:24:08,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-07 20:24:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-04-07 20:24:08,035 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:24:08,035 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 20:24:08,035 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 20:24:08,035 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 20:24:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:08,037 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-04-07 20:24:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-04-07 20:24:08,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:24:08,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:24:08,038 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 37 states. [2022-04-07 20:24:08,038 INFO L87 Difference]: Start difference. First operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 37 states. [2022-04-07 20:24:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:24:08,040 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-04-07 20:24:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-04-07 20:24:08,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:24:08,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:24:08,041 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:24:08,041 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:24:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 20:24:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-04-07 20:24:08,043 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 43 [2022-04-07 20:24:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:24:08,043 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-04-07 20:24:08,043 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:24:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-04-07 20:24:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-07 20:24:08,044 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:24:08,044 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:24:08,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-07 20:24:08,257 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:24:08,258 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:24:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:24:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1282076869, now seen corresponding path program 1 times [2022-04-07 20:24:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:24:08,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825917489] [2022-04-07 20:24:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:24:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:24:08,288 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:24:08,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1570857150] [2022-04-07 20:24:08,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:24:08,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:24:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:24:08,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:24:08,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process