/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/lcm1_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-14 22:17:21,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-14 22:17:21,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-14 22:17:21,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-14 22:17:21,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-14 22:17:21,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-14 22:17:21,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-14 22:17:21,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-14 22:17:21,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-14 22:17:21,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-14 22:17:21,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-14 22:17:21,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-14 22:17:21,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-14 22:17:21,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-14 22:17:21,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-14 22:17:21,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-14 22:17:21,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-14 22:17:21,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-14 22:17:21,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-14 22:17:21,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-14 22:17:21,217 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-14 22:17:21,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-14 22:17:21,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-14 22:17:21,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-14 22:17:21,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-14 22:17:21,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-14 22:17:21,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-14 22:17:21,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-14 22:17:21,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-14 22:17:21,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-14 22:17:21,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-14 22:17:21,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-14 22:17:21,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-14 22:17:21,259 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-14 22:17:21,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-14 22:17:21,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-14 22:17:21,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-14 22:17:21,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-14 22:17:21,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-14 22:17:21,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-14 22:17:21,261 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-14 22:17:21,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-14 22:17:21,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-14 22:17:21,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-14 22:17:21,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-14 22:17:21,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-14 22:17:21,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-14 22:17:21,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-14 22:17:21,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 22:17:21,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-14 22:17:21,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-14 22:17:21,263 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-14 22:17:21,263 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-14 22:17:21,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-14 22:17:21,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-14 22:17:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-14 22:17:21,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-14 22:17:21,526 INFO L275 PluginConnector]: CDTParser initialized [2022-04-14 22:17:21,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound2.c [2022-04-14 22:17:21,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac30ade68/dce835e60f74435587d26994e9a6a577/FLAGef4991905 [2022-04-14 22:17:21,941 INFO L306 CDTParser]: Found 1 translation units. [2022-04-14 22:17:21,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound2.c [2022-04-14 22:17:21,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac30ade68/dce835e60f74435587d26994e9a6a577/FLAGef4991905 [2022-04-14 22:17:22,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac30ade68/dce835e60f74435587d26994e9a6a577 [2022-04-14 22:17:22,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-14 22:17:22,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-14 22:17:22,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-14 22:17:22,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-14 22:17:22,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-14 22:17:22,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f1a7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22, skipping insertion in model container [2022-04-14 22:17:22,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-14 22:17:22,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-14 22:17:22,610 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/lcm1_valuebound2.c[552,565] [2022-04-14 22:17:22,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 22:17:22,636 INFO L203 MainTranslator]: Completed pre-run [2022-04-14 22:17:22,654 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/lcm1_valuebound2.c[552,565] [2022-04-14 22:17:22,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 22:17:22,675 INFO L208 MainTranslator]: Completed translation [2022-04-14 22:17:22,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22 WrapperNode [2022-04-14 22:17:22,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-14 22:17:22,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-14 22:17:22,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-14 22:17:22,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-14 22:17:22,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-14 22:17:22,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-14 22:17:22,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-14 22:17:22,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-14 22:17:22,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (1/1) ... [2022-04-14 22:17:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 22:17:22,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:17:22,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-14 22:17:22,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-14 22:17:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-14 22:17:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-14 22:17:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-14 22:17:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-14 22:17:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-14 22:17:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-14 22:17:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-14 22:17:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-14 22:17:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-14 22:17:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-14 22:17:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-14 22:17:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-14 22:17:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-14 22:17:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-14 22:17:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-14 22:17:22,823 INFO L234 CfgBuilder]: Building ICFG [2022-04-14 22:17:22,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-14 22:17:23,034 INFO L275 CfgBuilder]: Performing block encoding [2022-04-14 22:17:23,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-14 22:17:23,040 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-14 22:17:23,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:17:23 BoogieIcfgContainer [2022-04-14 22:17:23,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-14 22:17:23,042 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-14 22:17:23,042 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-14 22:17:23,043 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-14 22:17:23,049 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:17:23" (1/1) ... [2022-04-14 22:17:23,051 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-14 22:17:23,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 10:17:23 BasicIcfg [2022-04-14 22:17:23,079 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-14 22:17:23,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-14 22:17:23,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-14 22:17:23,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-14 22:17:23,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 10:17:22" (1/4) ... [2022-04-14 22:17:23,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520767b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:17:23, skipping insertion in model container [2022-04-14 22:17:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:17:22" (2/4) ... [2022-04-14 22:17:23,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520767b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:17:23, skipping insertion in model container [2022-04-14 22:17:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:17:23" (3/4) ... [2022-04-14 22:17:23,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520767b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 10:17:23, skipping insertion in model container [2022-04-14 22:17:23,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 10:17:23" (4/4) ... [2022-04-14 22:17:23,085 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound2.cJordan [2022-04-14 22:17:23,089 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-14 22:17:23,090 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-14 22:17:23,124 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-14 22:17:23,129 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-14 22:17:23,129 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-14 22:17:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-14 22:17:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-14 22:17:23,150 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:17:23,151 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] [2022-04-14 22:17:23,151 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:17:23,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:17:23,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2059041159, now seen corresponding path program 1 times [2022-04-14 22:17:23,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:17:23,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083838949] [2022-04-14 22:17:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:17:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:17:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-14 22:17:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,326 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 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] {43#true} is VALID [2022-04-14 22:17:23,327 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-14 22:17:23,327 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-14 22:17:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-14 22:17:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,336 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,337 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,338 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-14 22:17:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-14 22:17:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,346 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,346 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,347 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,347 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 2) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} 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] {44#false} is VALID [2022-04-14 22:17:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-14 22:17:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,355 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,355 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,356 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,356 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} 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] {44#false} is VALID [2022-04-14 22:17:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-14 22:17:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,364 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,365 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,365 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,365 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} 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] {44#false} is VALID [2022-04-14 22:17:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-14 22:17:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,373 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,373 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,373 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,374 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} 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] {44#false} is VALID [2022-04-14 22:17:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-14 22:17:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:23,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,382 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} 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] {44#false} is VALID [2022-04-14 22:17:23,383 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-14 22:17:23,384 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 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] {43#true} is VALID [2022-04-14 22:17:23,384 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-14 22:17:23,385 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-14 22:17:23,385 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-14 22:17:23,385 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {43#true} is VALID [2022-04-14 22:17:23,385 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-14 22:17:23,386 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,386 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,386 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,387 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-14 22:17:23,387 INFO L290 TraceCheckUtils]: 11: Hoare triple {44#false} [125] L26-1-->L28: 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] {44#false} is VALID [2022-04-14 22:17:23,387 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} [127] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 2) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} 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] {43#true} is VALID [2022-04-14 22:17:23,387 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,388 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,388 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,388 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 2) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} 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] {44#false} is VALID [2022-04-14 22:17:23,389 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} 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] {43#true} is VALID [2022-04-14 22:17:23,389 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,389 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,390 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,390 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} 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] {44#false} is VALID [2022-04-14 22:17:23,390 INFO L272 TraceCheckUtils]: 22: Hoare triple {44#false} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} 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] {43#true} is VALID [2022-04-14 22:17:23,391 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,391 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,391 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,392 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} 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] {44#false} is VALID [2022-04-14 22:17:23,392 INFO L272 TraceCheckUtils]: 27: Hoare triple {44#false} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} 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] {43#true} is VALID [2022-04-14 22:17:23,392 INFO L290 TraceCheckUtils]: 28: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,393 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,393 INFO L290 TraceCheckUtils]: 30: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,393 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} 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] {44#false} is VALID [2022-04-14 22:17:23,394 INFO L272 TraceCheckUtils]: 32: Hoare triple {44#false} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} 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] {43#true} is VALID [2022-04-14 22:17:23,394 INFO L290 TraceCheckUtils]: 33: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: 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] {43#true} is VALID [2022-04-14 22:17:23,394 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,395 INFO L290 TraceCheckUtils]: 35: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,395 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} 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] {44#false} is VALID [2022-04-14 22:17:23,395 INFO L290 TraceCheckUtils]: 37: Hoare triple {44#false} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) 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_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {44#false} is VALID [2022-04-14 22:17:23,396 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} [136] L53-2-->L40-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,396 INFO L272 TraceCheckUtils]: 39: Hoare triple {44#false} [139] L40-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~v~0_13 v_main_~y~0_18) (* v_main_~u~0_13 v_main_~y~0_18)) 4294967296) (mod (* v_main_~a~0_18 v_main_~b~0_17) 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~y~0=v_main_~y~0_18, main_~v~0=v_main_~v~0_13, main_~b~0=v_main_~b~0_17, main_~u~0=v_main_~u~0_13, main_~a~0=v_main_~a~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {44#false} is VALID [2022-04-14 22:17:23,396 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} [142] __VERIFIER_assertENTRY-->L15: 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] {44#false} is VALID [2022-04-14 22:17:23,396 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} [146] L15-->L16: 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[] {44#false} is VALID [2022-04-14 22:17:23,397 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-14 22:17:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-14 22:17:23,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:17:23,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083838949] [2022-04-14 22:17:23,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083838949] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 22:17:23,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 22:17:23,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-14 22:17:23,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635036146] [2022-04-14 22:17:23,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 22:17:23,405 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 [2022-04-14 22:17:23,407 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:17:23,409 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) [2022-04-14 22:17:23,461 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:17:23,461 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-14 22:17:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:17:23,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-14 22:17:23,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 22:17:23,490 INFO L87 Difference]: Start difference. First operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) 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) [2022-04-14 22:17:23,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:23,685 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-14 22:17:23,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-14 22:17:23,686 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 [2022-04-14 22:17:23,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:17:23,687 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) [2022-04-14 22:17:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-14 22:17:23,702 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) [2022-04-14 22:17:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-14 22:17:23,713 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 59 transitions. [2022-04-14 22:17:23,787 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:17:23,800 INFO L225 Difference]: With dead ends: 40 [2022-04-14 22:17:23,801 INFO L226 Difference]: Without dead ends: 35 [2022-04-14 22:17:23,802 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 [2022-04-14 22:17:23,808 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-14 22:17:23,809 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 43 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-14 22:17:23,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-14 22:17:23,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-14 22:17:23,838 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:17:23,839 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-14 22:17:23,841 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-14 22:17:23,841 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-14 22:17:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:23,846 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-14 22:17:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-14 22:17:23,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:17:23,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:17:23,848 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-14 22:17:23,848 INFO L87 Difference]: Start difference. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-14 22:17:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:23,856 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-14 22:17:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-14 22:17:23,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:17:23,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:17:23,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:17:23,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:17:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-14 22:17:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-14 22:17:23,866 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-14 22:17:23,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:17:23,867 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-14 22:17:23,867 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) [2022-04-14 22:17:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-14 22:17:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-14 22:17:23,871 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:17:23,872 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] [2022-04-14 22:17:23,872 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-14 22:17:23,872 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:17:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:17:23,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1255008874, now seen corresponding path program 1 times [2022-04-14 22:17:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:17:23,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557008310] [2022-04-14 22:17:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:17:23,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:17:23,915 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:17:23,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658266248] [2022-04-14 22:17:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:17:23,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:17:23,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:17:23,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-14 22:17:23,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-14 22:17:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:24,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-14 22:17:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:17:24,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:17:24,294 INFO L272 TraceCheckUtils]: 0: Hoare triple {220#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,295 INFO L290 TraceCheckUtils]: 1: Hoare triple {220#true} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 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] {220#true} is VALID [2022-04-14 22:17:24,299 INFO L290 TraceCheckUtils]: 2: Hoare triple {220#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,299 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {220#true} {220#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,299 INFO L272 TraceCheckUtils]: 4: Hoare triple {220#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,300 INFO L290 TraceCheckUtils]: 5: Hoare triple {220#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {220#true} is VALID [2022-04-14 22:17:24,300 INFO L272 TraceCheckUtils]: 6: Hoare triple {220#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-14 22:17:24,300 INFO L290 TraceCheckUtils]: 7: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,301 INFO L290 TraceCheckUtils]: 8: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,301 INFO L290 TraceCheckUtils]: 9: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,301 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {220#true} {220#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 2) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-14 22:17:24,303 INFO L290 TraceCheckUtils]: 11: Hoare triple {220#true} [125] L26-1-->L28: 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] {220#true} is VALID [2022-04-14 22:17:24,304 INFO L272 TraceCheckUtils]: 12: Hoare triple {220#true} [127] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 2) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} 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] {220#true} is VALID [2022-04-14 22:17:24,305 INFO L290 TraceCheckUtils]: 13: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,305 INFO L290 TraceCheckUtils]: 14: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,305 INFO L290 TraceCheckUtils]: 15: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,305 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {220#true} {220#true} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 2) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} 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] {220#true} is VALID [2022-04-14 22:17:24,307 INFO L272 TraceCheckUtils]: 17: Hoare triple {220#true} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} 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] {220#true} is VALID [2022-04-14 22:17:24,307 INFO L290 TraceCheckUtils]: 18: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,308 INFO L290 TraceCheckUtils]: 19: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,308 INFO L290 TraceCheckUtils]: 20: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,308 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {220#true} {220#true} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} 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] {220#true} is VALID [2022-04-14 22:17:24,308 INFO L272 TraceCheckUtils]: 22: Hoare triple {220#true} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} 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] {220#true} is VALID [2022-04-14 22:17:24,309 INFO L290 TraceCheckUtils]: 23: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,309 INFO L290 TraceCheckUtils]: 24: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,309 INFO L290 TraceCheckUtils]: 25: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,310 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {220#true} {220#true} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} 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] {220#true} is VALID [2022-04-14 22:17:24,310 INFO L272 TraceCheckUtils]: 27: Hoare triple {220#true} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} 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] {220#true} is VALID [2022-04-14 22:17:24,310 INFO L290 TraceCheckUtils]: 28: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,310 INFO L290 TraceCheckUtils]: 29: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,313 INFO L290 TraceCheckUtils]: 30: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,314 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {220#true} {220#true} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} 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] {220#true} is VALID [2022-04-14 22:17:24,314 INFO L272 TraceCheckUtils]: 32: Hoare triple {220#true} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} 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] {220#true} is VALID [2022-04-14 22:17:24,314 INFO L290 TraceCheckUtils]: 33: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: 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] {220#true} is VALID [2022-04-14 22:17:24,314 INFO L290 TraceCheckUtils]: 34: Hoare triple {220#true} [129] L12-->L12-2: 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[] {220#true} is VALID [2022-04-14 22:17:24,315 INFO L290 TraceCheckUtils]: 35: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-14 22:17:24,315 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {220#true} {220#true} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} 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] {220#true} is VALID [2022-04-14 22:17:24,316 INFO L290 TraceCheckUtils]: 37: Hoare triple {220#true} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) 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_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-14 22:17:24,317 INFO L290 TraceCheckUtils]: 38: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [138] L53-2-->L41: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-14 22:17:24,319 INFO L272 TraceCheckUtils]: 39: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [140] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (* v_main_~a~0_15 v_main_~b~0_14) 4294967296) (mod (+ (* v_main_~v~0_10 v_main_~y~0_15) (* v_main_~u~0_10 v_main_~x~0_14)) 4294967296)) 1 0)) InVars {main_~v~0=v_main_~v~0_10, main_~x~0=v_main_~x~0_14, main_~y~0=v_main_~y~0_15, main_~b~0=v_main_~b~0_14, main_~u~0=v_main_~u~0_10, main_~a~0=v_main_~a~0_15} 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] {343#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 22:17:24,320 INFO L290 TraceCheckUtils]: 40: Hoare triple {343#(<= 1 |__VERIFIER_assert_#in~cond|)} [142] __VERIFIER_assertENTRY-->L15: 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] {347#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 22:17:24,324 INFO L290 TraceCheckUtils]: 41: Hoare triple {347#(<= 1 __VERIFIER_assert_~cond)} [146] L15-->L16: 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[] {221#false} is VALID [2022-04-14 22:17:24,325 INFO L290 TraceCheckUtils]: 42: Hoare triple {221#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {221#false} is VALID [2022-04-14 22:17:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-14 22:17:24,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 22:17:24,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:17:24,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557008310] [2022-04-14 22:17:24,329 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:17:24,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658266248] [2022-04-14 22:17:24,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658266248] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 22:17:24,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 22:17:24,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-14 22:17:24,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010548785] [2022-04-14 22:17:24,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 22:17:24,331 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 [2022-04-14 22:17:24,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:17:24,332 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) [2022-04-14 22:17:24,364 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:17:24,364 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-14 22:17:24,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:17:24,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-14 22:17:24,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-14 22:17:24,365 INFO L87 Difference]: Start difference. First operand 35 states and 46 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) [2022-04-14 22:17:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:24,654 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-14 22:17:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-14 22:17:24,654 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 [2022-04-14 22:17:24,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:17:24,655 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) [2022-04-14 22:17:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-14 22:17:24,658 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) [2022-04-14 22:17:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-14 22:17:24,661 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 68 transitions. [2022-04-14 22:17:24,734 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:17:24,736 INFO L225 Difference]: With dead ends: 50 [2022-04-14 22:17:24,736 INFO L226 Difference]: Without dead ends: 50 [2022-04-14 22:17:24,737 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 [2022-04-14 22:17:24,738 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-14 22:17:24,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 131 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-14 22:17:24,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-14 22:17:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2022-04-14 22:17:24,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:17:24,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-14 22:17:24,744 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-14 22:17:24,745 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-14 22:17:24,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:24,749 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-14 22:17:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-14 22:17:24,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:17:24,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:17:24,750 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-14 22:17:24,751 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-14 22:17:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:17:24,755 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-14 22:17:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-14 22:17:24,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:17:24,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:17:24,756 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:17:24,756 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:17:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-14 22:17:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2022-04-14 22:17:24,759 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 43 [2022-04-14 22:17:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:17:24,759 INFO L478 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2022-04-14 22:17:24,760 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) [2022-04-14 22:17:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-04-14 22:17:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-14 22:17:24,761 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:17:24,761 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2022-04-14 22:17:24,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-14 22:17:24,975 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:17:24,976 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:17:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:17:24,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1780836073, now seen corresponding path program 1 times [2022-04-14 22:17:24,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:17:24,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961735096] [2022-04-14 22:17:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:17:24,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:17:25,001 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:17:25,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293165368] [2022-04-14 22:17:25,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:17:25,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:17:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:17:25,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-14 22:17:25,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process