/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/hard-u_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 19:47:05,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 19:47:05,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 19:47:05,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 19:47:05,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 19:47:05,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 19:47:05,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 19:47:05,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 19:47:05,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 19:47:05,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 19:47:05,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 19:47:05,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 19:47:05,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 19:47:05,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 19:47:05,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 19:47:05,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 19:47:05,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 19:47:05,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 19:47:05,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 19:47:05,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 19:47:05,919 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 19:47:05,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 19:47:05,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 19:47:05,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 19:47:05,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 19:47:05,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 19:47:05,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 19:47:05,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 19:47:05,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 19:47:05,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 19:47:05,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 19:47:05,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 19:47:05,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 19:47:05,964 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 19:47:05,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 19:47:05,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 19:47:05,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 19:47:05,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 19:47:05,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 19:47:05,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 19:47:05,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 19:47:05,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 19:47:05,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 19:47:05,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 19:47:05,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 19:47:05,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 19:47:05,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 19:47:05,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 19:47:05,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 19:47:05,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 19:47:05,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 19:47:05,968 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 19:47:05,968 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 19:47:06,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 19:47:06,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 19:47:06,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 19:47:06,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 19:47:06,219 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 19:47:06,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-07 19:47:06,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e029c881f/13849c3a412a4bb49ce1ce1b6141f45f/FLAG1afad9609 [2022-04-07 19:47:06,682 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 19:47:06,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-07 19:47:06,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e029c881f/13849c3a412a4bb49ce1ce1b6141f45f/FLAG1afad9609 [2022-04-07 19:47:07,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e029c881f/13849c3a412a4bb49ce1ce1b6141f45f [2022-04-07 19:47:07,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 19:47:07,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 19:47:07,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 19:47:07,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 19:47:07,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 19:47:07,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6ee665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07, skipping insertion in model container [2022-04-07 19:47:07,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 19:47:07,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 19:47:07,264 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/hard-u_unwindbound2.c[537,550] [2022-04-07 19:47:07,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 19:47:07,309 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 19:47:07,319 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/hard-u_unwindbound2.c[537,550] [2022-04-07 19:47:07,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 19:47:07,350 INFO L208 MainTranslator]: Completed translation [2022-04-07 19:47:07,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07 WrapperNode [2022-04-07 19:47:07,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 19:47:07,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 19:47:07,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 19:47:07,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 19:47:07,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 19:47:07,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 19:47:07,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 19:47:07,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 19:47:07,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 19:47:07,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:07,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-07 19:47:07,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-07 19:47:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 19:47:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 19:47:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 19:47:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-07 19:47:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-07 19:47:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 19:47:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 19:47:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 19:47:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 19:47:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 19:47:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-07 19:47:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-07 19:47:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 19:47:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 19:47:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 19:47:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 19:47:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 19:47:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 19:47:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 19:47:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 19:47:07,538 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 19:47:07,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 19:47:07,749 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 19:47:07,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 19:47:07,767 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-07 19:47:07,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 07:47:07 BoogieIcfgContainer [2022-04-07 19:47:07,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 19:47:07,770 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 19:47:07,770 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 19:47:07,793 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 19:47:07,796 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 07:47:07" (1/1) ... [2022-04-07 19:47:07,798 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 19:47:07,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 07:47:07 BasicIcfg [2022-04-07 19:47:07,830 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 19:47:07,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 19:47:07,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 19:47:07,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 19:47:07,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 07:47:07" (1/4) ... [2022-04-07 19:47:07,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662cc044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 07:47:07, skipping insertion in model container [2022-04-07 19:47:07,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 07:47:07" (2/4) ... [2022-04-07 19:47:07,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662cc044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 07:47:07, skipping insertion in model container [2022-04-07 19:47:07,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 07:47:07" (3/4) ... [2022-04-07 19:47:07,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662cc044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 07:47:07, skipping insertion in model container [2022-04-07 19:47:07,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 07:47:07" (4/4) ... [2022-04-07 19:47:07,841 INFO L111 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound2.cJordan [2022-04-07 19:47:07,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 19:47:07,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 19:47:07,883 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 19:47:07,888 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-07 19:47:07,889 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 19:47:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-07 19:47:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-07 19:47:07,912 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:07,912 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:07,913 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:07,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:07,924 INFO L85 PathProgramCache]: Analyzing trace with hash 79654685, now seen corresponding path program 1 times [2022-04-07 19:47:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:07,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030009661] [2022-04-07 19:47:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 19:47:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,170 INFO L290 TraceCheckUtils]: 0: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {40#true} is VALID [2022-04-07 19:47:08,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-07 19:47:08,171 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-07 19:47:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 19:47:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,179 INFO L290 TraceCheckUtils]: 0: Hoare triple {40#true} [107] 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] {40#true} is VALID [2022-04-07 19:47:08,180 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,180 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {41#false} is VALID [2022-04-07 19:47:08,182 INFO L272 TraceCheckUtils]: 0: Hoare triple {40#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 19:47:08,182 INFO L290 TraceCheckUtils]: 1: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {40#true} is VALID [2022-04-07 19:47:08,182 INFO L290 TraceCheckUtils]: 2: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-07 19:47:08,183 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-07 19:47:08,183 INFO L272 TraceCheckUtils]: 4: Hoare triple {40#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-07 19:47:08,183 INFO L290 TraceCheckUtils]: 5: Hoare triple {40#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {40#true} is VALID [2022-04-07 19:47:08,184 INFO L272 TraceCheckUtils]: 6: Hoare triple {40#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {40#true} is VALID [2022-04-07 19:47:08,184 INFO L290 TraceCheckUtils]: 7: Hoare triple {40#true} [107] 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] {40#true} is VALID [2022-04-07 19:47:08,184 INFO L290 TraceCheckUtils]: 8: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,185 INFO L290 TraceCheckUtils]: 9: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,185 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {41#false} is VALID [2022-04-07 19:47:08,185 INFO L290 TraceCheckUtils]: 11: Hoare triple {41#false} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {41#false} is VALID [2022-04-07 19:47:08,186 INFO L290 TraceCheckUtils]: 12: Hoare triple {41#false} [108] L35-3-->L53-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,186 INFO L290 TraceCheckUtils]: 13: Hoare triple {41#false} [112] L53-2-->L45-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,186 INFO L272 TraceCheckUtils]: 14: Hoare triple {41#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {41#false} is VALID [2022-04-07 19:47:08,186 INFO L290 TraceCheckUtils]: 15: Hoare triple {41#false} [122] __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] {41#false} is VALID [2022-04-07 19:47:08,186 INFO L290 TraceCheckUtils]: 16: Hoare triple {41#false} [126] 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[] {41#false} is VALID [2022-04-07 19:47:08,187 INFO L290 TraceCheckUtils]: 17: Hoare triple {41#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-07 19:47:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 19:47:08,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:08,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030009661] [2022-04-07 19:47:08,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030009661] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:08,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:08,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-07 19:47:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388309238] [2022-04-07 19:47:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:08,195 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 19:47:08,197 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:08,200 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,229 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:08,230 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-07 19:47:08,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:08,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-07 19:47:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 19:47:08,257 INFO L87 Difference]: Start difference. First operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:08,490 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-04-07 19:47:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-07 19:47:08,491 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 19:47:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:08,495 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-07 19:47:08,503 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-07 19:47:08,551 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2022-04-07 19:47:08,628 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:08,647 INFO L225 Difference]: With dead ends: 38 [2022-04-07 19:47:08,647 INFO L226 Difference]: Without dead ends: 33 [2022-04-07 19:47:08,649 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 19:47:08,655 INFO L913 BasicCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:08,656 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 19:47:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-07 19:47:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-04-07 19:47:08,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:08,679 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:08,679 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:08,680 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:08,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:08,684 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-07 19:47:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-07 19:47:08,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:08,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:08,689 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-07 19:47:08,689 INFO L87 Difference]: Start difference. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-07 19:47:08,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:08,694 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-07 19:47:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-07 19:47:08,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:08,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:08,695 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:08,695 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-04-07 19:47:08,701 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 18 [2022-04-07 19:47:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:08,702 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-04-07 19:47:08,703 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-04-07 19:47:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-07 19:47:08,704 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:08,704 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:08,705 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 19:47:08,705 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:08,706 INFO L85 PathProgramCache]: Analyzing trace with hash -85369733, now seen corresponding path program 1 times [2022-04-07 19:47:08,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:08,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722311581] [2022-04-07 19:47:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 19:47:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,858 INFO L290 TraceCheckUtils]: 0: Hoare triple {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {188#true} is VALID [2022-04-07 19:47:08,859 INFO L290 TraceCheckUtils]: 1: Hoare triple {188#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,859 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {188#true} {188#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 19:47:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:08,876 INFO L290 TraceCheckUtils]: 0: Hoare triple {188#true} [107] 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] {188#true} is VALID [2022-04-07 19:47:08,877 INFO L290 TraceCheckUtils]: 1: Hoare triple {188#true} [111] 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[] {188#true} is VALID [2022-04-07 19:47:08,877 INFO L290 TraceCheckUtils]: 2: Hoare triple {188#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,877 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {188#true} {188#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {188#true} is VALID [2022-04-07 19:47:08,878 INFO L272 TraceCheckUtils]: 0: Hoare triple {188#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 19:47:08,879 INFO L290 TraceCheckUtils]: 1: Hoare triple {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {188#true} is VALID [2022-04-07 19:47:08,879 INFO L290 TraceCheckUtils]: 2: Hoare triple {188#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,879 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {188#true} {188#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,879 INFO L272 TraceCheckUtils]: 4: Hoare triple {188#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,880 INFO L290 TraceCheckUtils]: 5: Hoare triple {188#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {188#true} is VALID [2022-04-07 19:47:08,880 INFO L272 TraceCheckUtils]: 6: Hoare triple {188#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {188#true} is VALID [2022-04-07 19:47:08,880 INFO L290 TraceCheckUtils]: 7: Hoare triple {188#true} [107] 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] {188#true} is VALID [2022-04-07 19:47:08,880 INFO L290 TraceCheckUtils]: 8: Hoare triple {188#true} [111] 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[] {188#true} is VALID [2022-04-07 19:47:08,881 INFO L290 TraceCheckUtils]: 9: Hoare triple {188#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-07 19:47:08,881 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {188#true} {188#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {188#true} is VALID [2022-04-07 19:47:08,881 INFO L290 TraceCheckUtils]: 11: Hoare triple {188#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {197#(= main_~q~0 0)} is VALID [2022-04-07 19:47:08,882 INFO L290 TraceCheckUtils]: 12: Hoare triple {197#(= main_~q~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {197#(= main_~q~0 0)} is VALID [2022-04-07 19:47:08,882 INFO L290 TraceCheckUtils]: 13: Hoare triple {197#(= main_~q~0 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {197#(= main_~q~0 0)} is VALID [2022-04-07 19:47:08,883 INFO L272 TraceCheckUtils]: 14: Hoare triple {197#(= main_~q~0 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {198#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 19:47:08,884 INFO L290 TraceCheckUtils]: 15: Hoare triple {198#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __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] {199#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-07 19:47:08,884 INFO L290 TraceCheckUtils]: 16: Hoare triple {199#(not (= __VERIFIER_assert_~cond 0))} [126] 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[] {189#false} is VALID [2022-04-07 19:47:08,884 INFO L290 TraceCheckUtils]: 17: Hoare triple {189#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {189#false} is VALID [2022-04-07 19:47:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 19:47:08,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:08,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722311581] [2022-04-07 19:47:08,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722311581] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:08,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:08,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-07 19:47:08,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667293722] [2022-04-07 19:47:08,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 19:47:08,887 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:08,887 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:08,903 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:08,903 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 19:47:08,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:08,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 19:47:08,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-07 19:47:08,904 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,297 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-07 19:47:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-07 19:47:09,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 19:47:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-07 19:47:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-07 19:47:09,313 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 61 transitions. [2022-04-07 19:47:09,383 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:09,385 INFO L225 Difference]: With dead ends: 45 [2022-04-07 19:47:09,385 INFO L226 Difference]: Without dead ends: 45 [2022-04-07 19:47:09,386 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-07 19:47:09,387 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 28 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:09,387 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 90 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 19:47:09,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-07 19:47:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2022-04-07 19:47:09,392 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:09,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,393 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,393 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,397 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-07 19:47:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-07 19:47:09,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:09,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:09,398 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-07 19:47:09,399 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-07 19:47:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,402 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-07 19:47:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-07 19:47:09,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:09,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:09,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:09,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-04-07 19:47:09,407 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 18 [2022-04-07 19:47:09,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:09,407 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-04-07 19:47:09,407 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 19:47:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-04-07 19:47:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-07 19:47:09,408 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:09,408 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:09,408 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-07 19:47:09,409 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:09,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:09,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1527809342, now seen corresponding path program 1 times [2022-04-07 19:47:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:09,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470122859] [2022-04-07 19:47:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:09,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:09,422 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:09,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023747529] [2022-04-07 19:47:09,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:09,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:09,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:09,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:09,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-07 19:47:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:09,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-07 19:47:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:09,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:09,672 INFO L272 TraceCheckUtils]: 0: Hoare triple {382#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#true} is VALID [2022-04-07 19:47:09,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {382#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,674 INFO L290 TraceCheckUtils]: 2: Hoare triple {390#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,675 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {390#(<= ~counter~0 0)} {382#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,675 INFO L272 TraceCheckUtils]: 4: Hoare triple {390#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,676 INFO L290 TraceCheckUtils]: 5: Hoare triple {390#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,676 INFO L272 TraceCheckUtils]: 6: Hoare triple {390#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {390#(<= ~counter~0 0)} [107] 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] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,677 INFO L290 TraceCheckUtils]: 8: Hoare triple {390#(<= ~counter~0 0)} [111] 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[] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,678 INFO L290 TraceCheckUtils]: 9: Hoare triple {390#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,679 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {390#(<= ~counter~0 0)} {390#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,679 INFO L290 TraceCheckUtils]: 11: Hoare triple {390#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {390#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:09,680 INFO L290 TraceCheckUtils]: 12: Hoare triple {390#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {424#(<= |main_#t~post6| 0)} is VALID [2022-04-07 19:47:09,680 INFO L290 TraceCheckUtils]: 13: Hoare triple {424#(<= |main_#t~post6| 0)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {383#false} is VALID [2022-04-07 19:47:09,680 INFO L290 TraceCheckUtils]: 14: Hoare triple {383#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {383#false} is VALID [2022-04-07 19:47:09,681 INFO L290 TraceCheckUtils]: 15: Hoare triple {383#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {383#false} is VALID [2022-04-07 19:47:09,681 INFO L272 TraceCheckUtils]: 16: Hoare triple {383#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {383#false} is VALID [2022-04-07 19:47:09,681 INFO L290 TraceCheckUtils]: 17: Hoare triple {383#false} [122] __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] {383#false} is VALID [2022-04-07 19:47:09,681 INFO L290 TraceCheckUtils]: 18: Hoare triple {383#false} [126] 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[] {383#false} is VALID [2022-04-07 19:47:09,681 INFO L290 TraceCheckUtils]: 19: Hoare triple {383#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {383#false} is VALID [2022-04-07 19:47:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 19:47:09,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 19:47:09,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:09,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470122859] [2022-04-07 19:47:09,682 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:09,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023747529] [2022-04-07 19:47:09,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023747529] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:09,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:09,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-07 19:47:09,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298764667] [2022-04-07 19:47:09,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:09,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-07 19:47:09,684 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:09,684 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 19:47:09,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:09,700 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-07 19:47:09,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:09,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-07 19:47:09,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 19:47:09,702 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 19:47:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,784 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-07 19:47:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-07 19:47:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-07 19:47:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 19:47:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-07 19:47:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 19:47:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-07 19:47:09,789 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 45 transitions. [2022-04-07 19:47:09,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:09,837 INFO L225 Difference]: With dead ends: 38 [2022-04-07 19:47:09,837 INFO L226 Difference]: Without dead ends: 38 [2022-04-07 19:47:09,837 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 19:47:09,841 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:09,842 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 19:47:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-07 19:47:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-04-07 19:47:09,851 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:09,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,854 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,854 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,861 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-07 19:47:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-07 19:47:09,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:09,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:09,863 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-07 19:47:09,863 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-07 19:47:09,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:09,867 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-07 19:47:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-07 19:47:09,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:09,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:09,872 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:09,872 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-04-07 19:47:09,879 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 20 [2022-04-07 19:47:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:09,879 INFO L478 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-04-07 19:47:09,879 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 19:47:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-07 19:47:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-07 19:47:09,880 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:09,880 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:09,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-07 19:47:10,095 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:10,096 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:10,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2128444854, now seen corresponding path program 1 times [2022-04-07 19:47:10,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:10,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925092675] [2022-04-07 19:47:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:10,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 19:47:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,195 INFO L290 TraceCheckUtils]: 0: Hoare triple {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {597#true} is VALID [2022-04-07 19:47:10,195 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,195 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {597#true} {597#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 19:47:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,200 INFO L290 TraceCheckUtils]: 0: Hoare triple {597#true} [107] 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] {597#true} is VALID [2022-04-07 19:47:10,201 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [111] 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[] {597#true} is VALID [2022-04-07 19:47:10,201 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,201 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {597#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {597#true} is VALID [2022-04-07 19:47:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-04-07 19:47:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,209 INFO L290 TraceCheckUtils]: 0: Hoare triple {597#true} [122] __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] {597#true} is VALID [2022-04-07 19:47:10,209 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,209 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,210 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-07 19:47:10,211 INFO L272 TraceCheckUtils]: 0: Hoare triple {597#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 19:47:10,211 INFO L290 TraceCheckUtils]: 1: Hoare triple {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {597#true} is VALID [2022-04-07 19:47:10,212 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,212 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {597#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,212 INFO L272 TraceCheckUtils]: 4: Hoare triple {597#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,212 INFO L290 TraceCheckUtils]: 5: Hoare triple {597#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {597#true} is VALID [2022-04-07 19:47:10,212 INFO L272 TraceCheckUtils]: 6: Hoare triple {597#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {597#true} is VALID [2022-04-07 19:47:10,213 INFO L290 TraceCheckUtils]: 7: Hoare triple {597#true} [107] 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] {597#true} is VALID [2022-04-07 19:47:10,213 INFO L290 TraceCheckUtils]: 8: Hoare triple {597#true} [111] 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[] {597#true} is VALID [2022-04-07 19:47:10,213 INFO L290 TraceCheckUtils]: 9: Hoare triple {597#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,213 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {597#true} {597#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {597#true} is VALID [2022-04-07 19:47:10,214 INFO L290 TraceCheckUtils]: 11: Hoare triple {597#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-07 19:47:10,215 INFO L290 TraceCheckUtils]: 12: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-07 19:47:10,215 INFO L290 TraceCheckUtils]: 13: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-07 19:47:10,215 INFO L272 TraceCheckUtils]: 14: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {597#true} is VALID [2022-04-07 19:47:10,216 INFO L290 TraceCheckUtils]: 15: Hoare triple {597#true} [122] __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] {597#true} is VALID [2022-04-07 19:47:10,216 INFO L290 TraceCheckUtils]: 16: Hoare triple {597#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,216 INFO L290 TraceCheckUtils]: 17: Hoare triple {597#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-07 19:47:10,217 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {597#true} {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-07 19:47:10,218 INFO L272 TraceCheckUtils]: 19: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {611#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 19:47:10,219 INFO L290 TraceCheckUtils]: 20: Hoare triple {611#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __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] {612#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-07 19:47:10,219 INFO L290 TraceCheckUtils]: 21: Hoare triple {612#(not (= __VERIFIER_assert_~cond 0))} [126] 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[] {598#false} is VALID [2022-04-07 19:47:10,219 INFO L290 TraceCheckUtils]: 22: Hoare triple {598#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {598#false} is VALID [2022-04-07 19:47:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 19:47:10,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:10,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925092675] [2022-04-07 19:47:10,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925092675] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:10,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:10,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-07 19:47:10,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438088033] [2022-04-07 19:47:10,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:10,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-07 19:47:10,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:10,221 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-07 19:47:10,240 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:10,240 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 19:47:10,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:10,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 19:47:10,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-07 19:47:10,241 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-07 19:47:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:10,662 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-07 19:47:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-07 19:47:10,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-07 19:47:10,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-07 19:47:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-07 19:47:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-07 19:47:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-07 19:47:10,667 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 61 transitions. [2022-04-07 19:47:10,736 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:10,738 INFO L225 Difference]: With dead ends: 50 [2022-04-07 19:47:10,738 INFO L226 Difference]: Without dead ends: 50 [2022-04-07 19:47:10,738 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-07 19:47:10,739 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:10,740 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-07 19:47:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-07 19:47:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-04-07 19:47:10,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:10,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:10,744 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:10,744 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:10,747 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-07 19:47:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-07 19:47:10,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:10,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:10,748 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-07 19:47:10,748 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-07 19:47:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:10,751 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-07 19:47:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-07 19:47:10,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:10,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:10,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:10,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-07 19:47:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-04-07 19:47:10,754 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 23 [2022-04-07 19:47:10,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:10,754 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-04-07 19:47:10,754 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-07 19:47:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-04-07 19:47:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-07 19:47:10,755 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:10,755 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:10,755 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-07 19:47:10,755 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:10,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:10,756 INFO L85 PathProgramCache]: Analyzing trace with hash 135546551, now seen corresponding path program 1 times [2022-04-07 19:47:10,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:10,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559819484] [2022-04-07 19:47:10,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:10,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:10,779 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:10,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021512339] [2022-04-07 19:47:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:10,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:10,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-07 19:47:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 19:47:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:10,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:10,980 INFO L272 TraceCheckUtils]: 0: Hoare triple {816#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,981 INFO L290 TraceCheckUtils]: 1: Hoare triple {816#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {816#true} is VALID [2022-04-07 19:47:10,981 INFO L290 TraceCheckUtils]: 2: Hoare triple {816#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,981 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {816#true} {816#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L272 TraceCheckUtils]: 4: Hoare triple {816#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L290 TraceCheckUtils]: 5: Hoare triple {816#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L272 TraceCheckUtils]: 6: Hoare triple {816#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L290 TraceCheckUtils]: 7: Hoare triple {816#true} [107] 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] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L290 TraceCheckUtils]: 8: Hoare triple {816#true} [111] 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[] {816#true} is VALID [2022-04-07 19:47:10,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {816#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,983 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {816#true} {816#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {816#true} is VALID [2022-04-07 19:47:10,985 INFO L290 TraceCheckUtils]: 11: Hoare triple {816#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:10,986 INFO L290 TraceCheckUtils]: 12: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:10,992 INFO L290 TraceCheckUtils]: 13: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:10,992 INFO L272 TraceCheckUtils]: 14: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {816#true} is VALID [2022-04-07 19:47:10,992 INFO L290 TraceCheckUtils]: 15: Hoare triple {816#true} [122] __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] {816#true} is VALID [2022-04-07 19:47:10,992 INFO L290 TraceCheckUtils]: 16: Hoare triple {816#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,992 INFO L290 TraceCheckUtils]: 17: Hoare triple {816#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,993 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {816#true} {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:10,993 INFO L272 TraceCheckUtils]: 19: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {816#true} is VALID [2022-04-07 19:47:10,994 INFO L290 TraceCheckUtils]: 20: Hoare triple {816#true} [122] __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] {816#true} is VALID [2022-04-07 19:47:10,994 INFO L290 TraceCheckUtils]: 21: Hoare triple {816#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:10,994 INFO L290 TraceCheckUtils]: 22: Hoare triple {816#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-07 19:47:11,004 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {816#true} {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:11,005 INFO L272 TraceCheckUtils]: 24: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {894#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 19:47:11,005 INFO L290 TraceCheckUtils]: 25: Hoare triple {894#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __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] {898#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 19:47:11,006 INFO L290 TraceCheckUtils]: 26: Hoare triple {898#(<= 1 __VERIFIER_assert_~cond)} [126] 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[] {817#false} is VALID [2022-04-07 19:47:11,006 INFO L290 TraceCheckUtils]: 27: Hoare triple {817#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {817#false} is VALID [2022-04-07 19:47:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-07 19:47:11,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 19:47:11,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:11,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559819484] [2022-04-07 19:47:11,007 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:11,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021512339] [2022-04-07 19:47:11,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021512339] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:11,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:11,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 19:47:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138065072] [2022-04-07 19:47:11,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:11,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-04-07 19:47:11,009 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:11,009 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-07 19:47:11,035 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:11,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 19:47:11,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 19:47:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 19:47:11,036 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-07 19:47:13,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 19:47:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:13,447 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2022-04-07 19:47:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 19:47:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-04-07 19:47:13,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-07 19:47:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-07 19:47:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-07 19:47:13,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-07 19:47:13,451 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 68 transitions. [2022-04-07 19:47:13,557 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:13,558 INFO L225 Difference]: With dead ends: 57 [2022-04-07 19:47:13,558 INFO L226 Difference]: Without dead ends: 56 [2022-04-07 19:47:13,559 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-07 19:47:13,559 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:13,560 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-04-07 19:47:13,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-07 19:47:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-07 19:47:13,564 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:13,564 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:13,565 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:13,565 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:13,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:13,568 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-07 19:47:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-07 19:47:13,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:13,568 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:13,569 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-07 19:47:13,569 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-07 19:47:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:13,571 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-07 19:47:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-07 19:47:13,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:13,572 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:13,572 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:13,572 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-04-07 19:47:13,575 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 28 [2022-04-07 19:47:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:13,575 INFO L478 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-04-07 19:47:13,575 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-07 19:47:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-07 19:47:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-07 19:47:13,576 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:13,576 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:13,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-07 19:47:13,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:13,792 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:13,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1016025214, now seen corresponding path program 1 times [2022-04-07 19:47:13,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:13,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414545342] [2022-04-07 19:47:13,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:13,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:13,820 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:13,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948160154] [2022-04-07 19:47:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:13,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:13,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:13,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:13,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-07 19:47:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:13,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 19:47:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:13,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:14,132 INFO L272 TraceCheckUtils]: 0: Hoare triple {1131#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1131#true} is VALID [2022-04-07 19:47:14,133 INFO L290 TraceCheckUtils]: 1: Hoare triple {1131#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,133 INFO L290 TraceCheckUtils]: 2: Hoare triple {1139#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,134 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1139#(<= ~counter~0 0)} {1131#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,134 INFO L272 TraceCheckUtils]: 4: Hoare triple {1139#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,135 INFO L290 TraceCheckUtils]: 5: Hoare triple {1139#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,136 INFO L272 TraceCheckUtils]: 6: Hoare triple {1139#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,136 INFO L290 TraceCheckUtils]: 7: Hoare triple {1139#(<= ~counter~0 0)} [107] 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] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,137 INFO L290 TraceCheckUtils]: 8: Hoare triple {1139#(<= ~counter~0 0)} [111] 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[] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,137 INFO L290 TraceCheckUtils]: 9: Hoare triple {1139#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,140 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1139#(<= ~counter~0 0)} {1139#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,141 INFO L290 TraceCheckUtils]: 11: Hoare triple {1139#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1139#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:14,142 INFO L290 TraceCheckUtils]: 12: Hoare triple {1139#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,142 INFO L290 TraceCheckUtils]: 13: Hoare triple {1173#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,143 INFO L272 TraceCheckUtils]: 14: Hoare triple {1173#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,143 INFO L290 TraceCheckUtils]: 15: Hoare triple {1173#(<= ~counter~0 1)} [122] __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] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,144 INFO L290 TraceCheckUtils]: 16: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,144 INFO L290 TraceCheckUtils]: 17: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,144 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,145 INFO L272 TraceCheckUtils]: 19: Hoare triple {1173#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,145 INFO L290 TraceCheckUtils]: 20: Hoare triple {1173#(<= ~counter~0 1)} [122] __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] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,146 INFO L290 TraceCheckUtils]: 21: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,146 INFO L290 TraceCheckUtils]: 22: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,147 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,147 INFO L272 TraceCheckUtils]: 24: Hoare triple {1173#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,149 INFO L290 TraceCheckUtils]: 25: Hoare triple {1173#(<= ~counter~0 1)} [122] __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] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,149 INFO L290 TraceCheckUtils]: 26: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,150 INFO L290 TraceCheckUtils]: 27: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,152 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,152 INFO L290 TraceCheckUtils]: 29: Hoare triple {1173#(<= ~counter~0 1)} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:14,153 INFO L290 TraceCheckUtils]: 30: Hoare triple {1173#(<= ~counter~0 1)} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1228#(<= |main_#t~post7| 1)} is VALID [2022-04-07 19:47:14,153 INFO L290 TraceCheckUtils]: 31: Hoare triple {1228#(<= |main_#t~post7| 1)} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1132#false} is VALID [2022-04-07 19:47:14,153 INFO L272 TraceCheckUtils]: 32: Hoare triple {1132#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1132#false} is VALID [2022-04-07 19:47:14,153 INFO L290 TraceCheckUtils]: 33: Hoare triple {1132#false} [122] __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] {1132#false} is VALID [2022-04-07 19:47:14,154 INFO L290 TraceCheckUtils]: 34: Hoare triple {1132#false} [126] 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[] {1132#false} is VALID [2022-04-07 19:47:14,155 INFO L290 TraceCheckUtils]: 35: Hoare triple {1132#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1132#false} is VALID [2022-04-07 19:47:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-07 19:47:14,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 19:47:14,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:14,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414545342] [2022-04-07 19:47:14,156 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:14,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948160154] [2022-04-07 19:47:14,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948160154] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:14,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:14,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 19:47:14,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585152542] [2022-04-07 19:47:14,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:14,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-07 19:47:14,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:14,165 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-07 19:47:14,190 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:14,190 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 19:47:14,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 19:47:14,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-07 19:47:14,191 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-07 19:47:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:14,487 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-07 19:47:14,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 19:47:14,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-07 19:47:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-07 19:47:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-07 19:47:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-07 19:47:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-07 19:47:14,491 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 59 transitions. [2022-04-07 19:47:14,549 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:14,550 INFO L225 Difference]: With dead ends: 69 [2022-04-07 19:47:14,550 INFO L226 Difference]: Without dead ends: 69 [2022-04-07 19:47:14,551 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-07 19:47:14,551 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:14,551 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 136 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 19:47:14,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-07 19:47:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-04-07 19:47:14,556 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:14,556 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:14,556 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:14,557 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:14,559 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-07 19:47:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-07 19:47:14,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:14,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:14,560 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-07 19:47:14,561 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-07 19:47:14,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:14,563 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-07 19:47:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-07 19:47:14,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:14,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:14,564 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:14,564 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 19:47:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-04-07 19:47:14,566 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 36 [2022-04-07 19:47:14,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:14,567 INFO L478 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-04-07 19:47:14,567 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-07 19:47:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-04-07 19:47:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-07 19:47:14,568 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:14,568 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:14,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-07 19:47:14,782 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:14,783 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:14,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1017127481, now seen corresponding path program 1 times [2022-04-07 19:47:14,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:14,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211216975] [2022-04-07 19:47:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:14,805 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:14,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372352609] [2022-04-07 19:47:14,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:14,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:14,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:14,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:14,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-07 19:47:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:14,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-07 19:47:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:14,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:15,628 INFO L272 TraceCheckUtils]: 0: Hoare triple {1518#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,628 INFO L290 TraceCheckUtils]: 1: Hoare triple {1518#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1518#true} is VALID [2022-04-07 19:47:15,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {1518#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,628 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1518#true} {1518#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,628 INFO L272 TraceCheckUtils]: 4: Hoare triple {1518#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,629 INFO L290 TraceCheckUtils]: 5: Hoare triple {1518#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1518#true} is VALID [2022-04-07 19:47:15,629 INFO L272 TraceCheckUtils]: 6: Hoare triple {1518#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1518#true} is VALID [2022-04-07 19:47:15,630 INFO L290 TraceCheckUtils]: 7: Hoare triple {1518#true} [107] 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] {1518#true} is VALID [2022-04-07 19:47:15,631 INFO L290 TraceCheckUtils]: 8: Hoare triple {1518#true} [111] 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[] {1518#true} is VALID [2022-04-07 19:47:15,631 INFO L290 TraceCheckUtils]: 9: Hoare triple {1518#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,633 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1518#true} {1518#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1518#true} is VALID [2022-04-07 19:47:15,634 INFO L290 TraceCheckUtils]: 11: Hoare triple {1518#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,635 INFO L290 TraceCheckUtils]: 12: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,635 INFO L290 TraceCheckUtils]: 13: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,635 INFO L272 TraceCheckUtils]: 14: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1518#true} is VALID [2022-04-07 19:47:15,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {1518#true} [122] __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] {1518#true} is VALID [2022-04-07 19:47:15,636 INFO L290 TraceCheckUtils]: 16: Hoare triple {1518#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,636 INFO L290 TraceCheckUtils]: 17: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,637 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,638 INFO L272 TraceCheckUtils]: 19: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1518#true} is VALID [2022-04-07 19:47:15,638 INFO L290 TraceCheckUtils]: 20: Hoare triple {1518#true} [122] __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] {1518#true} is VALID [2022-04-07 19:47:15,638 INFO L290 TraceCheckUtils]: 21: Hoare triple {1518#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,638 INFO L290 TraceCheckUtils]: 22: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,639 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,639 INFO L272 TraceCheckUtils]: 24: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1518#true} is VALID [2022-04-07 19:47:15,639 INFO L290 TraceCheckUtils]: 25: Hoare triple {1518#true} [122] __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] {1518#true} is VALID [2022-04-07 19:47:15,639 INFO L290 TraceCheckUtils]: 26: Hoare triple {1518#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,640 INFO L290 TraceCheckUtils]: 27: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-07 19:47:15,640 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-07 19:47:15,645 INFO L290 TraceCheckUtils]: 29: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-07 19:47:15,646 INFO L290 TraceCheckUtils]: 30: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-07 19:47:15,647 INFO L290 TraceCheckUtils]: 31: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [119] L45-->L46: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-07 19:47:15,648 INFO L272 TraceCheckUtils]: 32: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [123] L46-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~q~0_9 v_main_~B~0_12) v_main_~r~0_12) 4294967296) (mod v_main_~A~0_9 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~q~0=v_main_~q~0_9, main_~B~0=v_main_~B~0_12, main_~A~0=v_main_~A~0_9, main_~r~0=v_main_~r~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~B~0, main_~A~0, main_~r~0] {1621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 19:47:15,649 INFO L290 TraceCheckUtils]: 33: Hoare triple {1621#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __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] {1625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 19:47:15,649 INFO L290 TraceCheckUtils]: 34: Hoare triple {1625#(<= 1 __VERIFIER_assert_~cond)} [126] 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[] {1519#false} is VALID [2022-04-07 19:47:15,649 INFO L290 TraceCheckUtils]: 35: Hoare triple {1519#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1519#false} is VALID [2022-04-07 19:47:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-07 19:47:15,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 19:47:15,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211216975] [2022-04-07 19:47:15,650 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372352609] [2022-04-07 19:47:15,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372352609] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 19:47:15,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 19:47:15,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-07 19:47:15,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212776886] [2022-04-07 19:47:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-07 19:47:15,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:15,653 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-07 19:47:15,687 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:15,687 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 19:47:15,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:15,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 19:47:15,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-07 19:47:15,688 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-07 19:47:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:20,870 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2022-04-07 19:47:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-07 19:47:20,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-07 19:47:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-07 19:47:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-04-07 19:47:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-07 19:47:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-04-07 19:47:20,875 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 79 transitions. [2022-04-07 19:47:20,987 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:20,989 INFO L225 Difference]: With dead ends: 80 [2022-04-07 19:47:20,989 INFO L226 Difference]: Without dead ends: 79 [2022-04-07 19:47:20,990 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-07 19:47:20,990 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:20,990 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 162 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-07 19:47:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-04-07 19:47:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-04-07 19:47:20,994 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:20,995 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:20,995 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:20,995 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:20,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:20,998 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-07 19:47:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-07 19:47:20,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:20,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:21,002 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-07 19:47:21,002 INFO L87 Difference]: Start difference. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-07 19:47:21,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:21,011 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-07 19:47:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-07 19:47:21,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:21,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:21,012 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:21,012 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2022-04-07 19:47:21,017 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 36 [2022-04-07 19:47:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:21,019 INFO L478 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2022-04-07 19:47:21,019 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-07 19:47:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-04-07 19:47:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-07 19:47:21,021 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:21,021 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 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] [2022-04-07 19:47:21,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-07 19:47:21,243 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:21,243 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:21,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1880362404, now seen corresponding path program 1 times [2022-04-07 19:47:21,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:21,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108255032] [2022-04-07 19:47:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:21,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:21,260 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:21,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393951613] [2022-04-07 19:47:21,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:21,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:21,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:21,266 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:21,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-07 19:47:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:21,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 19:47:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:21,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:21,597 INFO L272 TraceCheckUtils]: 0: Hoare triple {1951#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,598 INFO L290 TraceCheckUtils]: 1: Hoare triple {1951#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,599 INFO L290 TraceCheckUtils]: 2: Hoare triple {1959#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,599 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1959#(<= ~counter~0 0)} {1951#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,600 INFO L272 TraceCheckUtils]: 4: Hoare triple {1959#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,600 INFO L290 TraceCheckUtils]: 5: Hoare triple {1959#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,601 INFO L272 TraceCheckUtils]: 6: Hoare triple {1959#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,601 INFO L290 TraceCheckUtils]: 7: Hoare triple {1959#(<= ~counter~0 0)} [107] 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,601 INFO L290 TraceCheckUtils]: 8: Hoare triple {1959#(<= ~counter~0 0)} [111] 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[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,602 INFO L290 TraceCheckUtils]: 9: Hoare triple {1959#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,602 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1959#(<= ~counter~0 0)} {1959#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,603 INFO L290 TraceCheckUtils]: 11: Hoare triple {1959#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,604 INFO L290 TraceCheckUtils]: 12: Hoare triple {1959#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,604 INFO L290 TraceCheckUtils]: 13: Hoare triple {1993#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,605 INFO L272 TraceCheckUtils]: 14: Hoare triple {1993#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,605 INFO L290 TraceCheckUtils]: 15: Hoare triple {1993#(<= ~counter~0 1)} [122] __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] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,606 INFO L290 TraceCheckUtils]: 16: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,606 INFO L290 TraceCheckUtils]: 17: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,607 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,608 INFO L272 TraceCheckUtils]: 19: Hoare triple {1993#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,608 INFO L290 TraceCheckUtils]: 20: Hoare triple {1993#(<= ~counter~0 1)} [122] __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] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,608 INFO L290 TraceCheckUtils]: 21: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,609 INFO L290 TraceCheckUtils]: 22: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,610 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,610 INFO L272 TraceCheckUtils]: 24: Hoare triple {1993#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,611 INFO L290 TraceCheckUtils]: 25: Hoare triple {1993#(<= ~counter~0 1)} [122] __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] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,611 INFO L290 TraceCheckUtils]: 26: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,612 INFO L290 TraceCheckUtils]: 27: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,612 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,613 INFO L290 TraceCheckUtils]: 29: Hoare triple {1993#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,613 INFO L290 TraceCheckUtils]: 30: Hoare triple {1993#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2048#(<= |main_#t~post6| 1)} is VALID [2022-04-07 19:47:21,614 INFO L290 TraceCheckUtils]: 31: Hoare triple {2048#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1952#false} is VALID [2022-04-07 19:47:21,614 INFO L290 TraceCheckUtils]: 32: Hoare triple {1952#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1952#false} is VALID [2022-04-07 19:47:21,614 INFO L290 TraceCheckUtils]: 33: Hoare triple {1952#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1952#false} is VALID [2022-04-07 19:47:21,614 INFO L272 TraceCheckUtils]: 34: Hoare triple {1952#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1952#false} is VALID [2022-04-07 19:47:21,615 INFO L290 TraceCheckUtils]: 35: Hoare triple {1952#false} [122] __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] {1952#false} is VALID [2022-04-07 19:47:21,615 INFO L290 TraceCheckUtils]: 36: Hoare triple {1952#false} [126] 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[] {1952#false} is VALID [2022-04-07 19:47:21,615 INFO L290 TraceCheckUtils]: 37: Hoare triple {1952#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1952#false} is VALID [2022-04-07 19:47:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-07 19:47:21,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 19:47:21,871 INFO L290 TraceCheckUtils]: 37: Hoare triple {1952#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1952#false} is VALID [2022-04-07 19:47:21,872 INFO L290 TraceCheckUtils]: 36: Hoare triple {1952#false} [126] 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[] {1952#false} is VALID [2022-04-07 19:47:21,872 INFO L290 TraceCheckUtils]: 35: Hoare triple {1952#false} [122] __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] {1952#false} is VALID [2022-04-07 19:47:21,872 INFO L272 TraceCheckUtils]: 34: Hoare triple {1952#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1952#false} is VALID [2022-04-07 19:47:21,873 INFO L290 TraceCheckUtils]: 33: Hoare triple {1952#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1952#false} is VALID [2022-04-07 19:47:21,873 INFO L290 TraceCheckUtils]: 32: Hoare triple {1952#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1952#false} is VALID [2022-04-07 19:47:21,873 INFO L290 TraceCheckUtils]: 31: Hoare triple {2048#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1952#false} is VALID [2022-04-07 19:47:21,874 INFO L290 TraceCheckUtils]: 30: Hoare triple {1993#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2048#(<= |main_#t~post6| 1)} is VALID [2022-04-07 19:47:21,875 INFO L290 TraceCheckUtils]: 29: Hoare triple {1993#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,875 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,876 INFO L290 TraceCheckUtils]: 27: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,876 INFO L290 TraceCheckUtils]: 26: Hoare triple {1951#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,876 INFO L290 TraceCheckUtils]: 25: Hoare triple {1951#true} [122] __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] {1951#true} is VALID [2022-04-07 19:47:21,876 INFO L272 TraceCheckUtils]: 24: Hoare triple {1993#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1951#true} is VALID [2022-04-07 19:47:21,879 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,879 INFO L290 TraceCheckUtils]: 22: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,879 INFO L290 TraceCheckUtils]: 21: Hoare triple {1951#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,879 INFO L290 TraceCheckUtils]: 20: Hoare triple {1951#true} [122] __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] {1951#true} is VALID [2022-04-07 19:47:21,880 INFO L272 TraceCheckUtils]: 19: Hoare triple {1993#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1951#true} is VALID [2022-04-07 19:47:21,880 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,880 INFO L290 TraceCheckUtils]: 17: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,880 INFO L290 TraceCheckUtils]: 16: Hoare triple {1951#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,880 INFO L290 TraceCheckUtils]: 15: Hoare triple {1951#true} [122] __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] {1951#true} is VALID [2022-04-07 19:47:21,881 INFO L272 TraceCheckUtils]: 14: Hoare triple {1993#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1951#true} is VALID [2022-04-07 19:47:21,881 INFO L290 TraceCheckUtils]: 13: Hoare triple {1993#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,882 INFO L290 TraceCheckUtils]: 12: Hoare triple {1959#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-07 19:47:21,882 INFO L290 TraceCheckUtils]: 11: Hoare triple {1959#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,882 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1951#true} {1959#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,883 INFO L290 TraceCheckUtils]: 9: Hoare triple {1951#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,883 INFO L290 TraceCheckUtils]: 8: Hoare triple {1951#true} [111] 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[] {1951#true} is VALID [2022-04-07 19:47:21,883 INFO L290 TraceCheckUtils]: 7: Hoare triple {1951#true} [107] 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] {1951#true} is VALID [2022-04-07 19:47:21,883 INFO L272 TraceCheckUtils]: 6: Hoare triple {1959#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1951#true} is VALID [2022-04-07 19:47:21,883 INFO L290 TraceCheckUtils]: 5: Hoare triple {1959#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,884 INFO L272 TraceCheckUtils]: 4: Hoare triple {1959#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,884 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1959#(<= ~counter~0 0)} {1951#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,884 INFO L290 TraceCheckUtils]: 2: Hoare triple {1959#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,885 INFO L290 TraceCheckUtils]: 1: Hoare triple {1951#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1959#(<= ~counter~0 0)} is VALID [2022-04-07 19:47:21,885 INFO L272 TraceCheckUtils]: 0: Hoare triple {1951#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-07 19:47:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-07 19:47:21,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:21,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108255032] [2022-04-07 19:47:21,886 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:21,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393951613] [2022-04-07 19:47:21,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393951613] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-07 19:47:21,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-07 19:47:21,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-04-07 19:47:21,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544710394] [2022-04-07 19:47:21,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-07 19:47:21,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-07 19:47:21,888 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:21,888 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-07 19:47:21,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:21,929 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 19:47:21,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:21,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 19:47:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-07 19:47:21,930 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-07 19:47:22,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:22,191 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-07 19:47:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-07 19:47:22,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-07 19:47:22,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-07 19:47:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-07 19:47:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-07 19:47:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-07 19:47:22,194 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 59 transitions. [2022-04-07 19:47:22,253 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:22,254 INFO L225 Difference]: With dead ends: 80 [2022-04-07 19:47:22,254 INFO L226 Difference]: Without dead ends: 80 [2022-04-07 19:47:22,255 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-07 19:47:22,255 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:22,255 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 116 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 19:47:22,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-04-07 19:47:22,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-04-07 19:47:22,260 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:22,260 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:22,260 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:22,261 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:22,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:22,264 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-07 19:47:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-07 19:47:22,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:22,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:22,264 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-07 19:47:22,265 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-07 19:47:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:22,268 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-07 19:47:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-07 19:47:22,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:22,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:22,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:22,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-07 19:47:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2022-04-07 19:47:22,271 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 38 [2022-04-07 19:47:22,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:22,271 INFO L478 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2022-04-07 19:47:22,271 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-07 19:47:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-07 19:47:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-07 19:47:22,272 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:22,272 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 19:47:22,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-07 19:47:22,486 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:22,487 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:22,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:22,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1525733273, now seen corresponding path program 1 times [2022-04-07 19:47:22,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:22,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516519519] [2022-04-07 19:47:22,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:22,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:22,501 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:22,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096486964] [2022-04-07 19:47:22,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:22,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:22,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:22,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-07 19:47:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:22,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-07 19:47:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 19:47:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 19:47:23,834 INFO L272 TraceCheckUtils]: 0: Hoare triple {2505#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,834 INFO L290 TraceCheckUtils]: 1: Hoare triple {2505#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2505#true} is VALID [2022-04-07 19:47:23,834 INFO L290 TraceCheckUtils]: 2: Hoare triple {2505#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,834 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2505#true} {2505#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,834 INFO L272 TraceCheckUtils]: 4: Hoare triple {2505#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,834 INFO L290 TraceCheckUtils]: 5: Hoare triple {2505#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:23,835 INFO L272 TraceCheckUtils]: 6: Hoare triple {2505#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2505#true} is VALID [2022-04-07 19:47:23,842 INFO L290 TraceCheckUtils]: 7: Hoare triple {2505#true} [107] 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] {2531#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-07 19:47:23,842 INFO L290 TraceCheckUtils]: 8: Hoare triple {2531#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [111] 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[] {2535#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 19:47:23,843 INFO L290 TraceCheckUtils]: 9: Hoare triple {2535#(not (= |assume_abort_if_not_#in~cond| 0))} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2535#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 19:47:23,843 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2535#(not (= |assume_abort_if_not_#in~cond| 0))} {2505#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2542#(<= 1 (mod main_~B~0 4294967296))} is VALID [2022-04-07 19:47:23,844 INFO L290 TraceCheckUtils]: 11: Hoare triple {2542#(<= 1 (mod main_~B~0 4294967296))} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,845 INFO L290 TraceCheckUtils]: 13: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,845 INFO L272 TraceCheckUtils]: 14: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-07 19:47:23,845 INFO L290 TraceCheckUtils]: 15: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:23,846 INFO L290 TraceCheckUtils]: 16: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,846 INFO L290 TraceCheckUtils]: 17: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,846 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,847 INFO L272 TraceCheckUtils]: 19: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:23,847 INFO L290 TraceCheckUtils]: 20: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:23,847 INFO L290 TraceCheckUtils]: 21: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,847 INFO L290 TraceCheckUtils]: 22: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,847 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,848 INFO L272 TraceCheckUtils]: 24: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2505#true} is VALID [2022-04-07 19:47:23,848 INFO L290 TraceCheckUtils]: 25: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:23,848 INFO L290 TraceCheckUtils]: 26: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,848 INFO L290 TraceCheckUtils]: 27: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,851 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-07 19:47:23,852 INFO L290 TraceCheckUtils]: 29: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-07 19:47:23,853 INFO L290 TraceCheckUtils]: 30: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-07 19:47:23,853 INFO L290 TraceCheckUtils]: 31: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-07 19:47:23,853 INFO L272 TraceCheckUtils]: 32: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-07 19:47:23,853 INFO L290 TraceCheckUtils]: 33: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:23,853 INFO L290 TraceCheckUtils]: 34: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,853 INFO L290 TraceCheckUtils]: 35: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,854 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2505#true} {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-07 19:47:23,854 INFO L272 TraceCheckUtils]: 37: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:23,854 INFO L290 TraceCheckUtils]: 38: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:23,854 INFO L290 TraceCheckUtils]: 39: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,854 INFO L290 TraceCheckUtils]: 40: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:23,855 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2505#true} {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-07 19:47:23,859 INFO L272 TraceCheckUtils]: 42: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 19:47:23,859 INFO L290 TraceCheckUtils]: 43: Hoare triple {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __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] {2645#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 19:47:23,860 INFO L290 TraceCheckUtils]: 44: Hoare triple {2645#(<= 1 __VERIFIER_assert_~cond)} [126] 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[] {2506#false} is VALID [2022-04-07 19:47:23,860 INFO L290 TraceCheckUtils]: 45: Hoare triple {2506#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2506#false} is VALID [2022-04-07 19:47:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-07 19:47:23,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 19:47:24,373 INFO L290 TraceCheckUtils]: 45: Hoare triple {2506#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2506#false} is VALID [2022-04-07 19:47:24,374 INFO L290 TraceCheckUtils]: 44: Hoare triple {2645#(<= 1 __VERIFIER_assert_~cond)} [126] 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[] {2506#false} is VALID [2022-04-07 19:47:24,374 INFO L290 TraceCheckUtils]: 43: Hoare triple {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __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] {2645#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 19:47:24,375 INFO L272 TraceCheckUtils]: 42: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 19:47:24,376 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2505#true} {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-07 19:47:24,376 INFO L290 TraceCheckUtils]: 40: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:24,376 INFO L290 TraceCheckUtils]: 39: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:24,376 INFO L290 TraceCheckUtils]: 38: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:24,376 INFO L272 TraceCheckUtils]: 37: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:24,377 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2505#true} {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-07 19:47:24,377 INFO L290 TraceCheckUtils]: 35: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:24,378 INFO L290 TraceCheckUtils]: 34: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:24,378 INFO L290 TraceCheckUtils]: 33: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:24,378 INFO L272 TraceCheckUtils]: 32: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-07 19:47:24,378 INFO L290 TraceCheckUtils]: 31: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-07 19:47:24,379 INFO L290 TraceCheckUtils]: 30: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-07 19:47:26,387 WARN L290 TraceCheckUtils]: 29: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is UNKNOWN [2022-04-07 19:47:26,388 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,388 INFO L290 TraceCheckUtils]: 27: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,388 INFO L290 TraceCheckUtils]: 26: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,388 INFO L290 TraceCheckUtils]: 25: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:26,388 INFO L272 TraceCheckUtils]: 24: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2505#true} is VALID [2022-04-07 19:47:26,389 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,389 INFO L290 TraceCheckUtils]: 21: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,389 INFO L290 TraceCheckUtils]: 20: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:26,389 INFO L272 TraceCheckUtils]: 19: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:26,390 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,390 INFO L290 TraceCheckUtils]: 17: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,390 INFO L290 TraceCheckUtils]: 16: Hoare triple {2505#true} [127] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,390 INFO L290 TraceCheckUtils]: 15: Hoare triple {2505#true} [122] __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] {2505#true} is VALID [2022-04-07 19:47:26,390 INFO L272 TraceCheckUtils]: 14: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-07 19:47:26,390 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,391 INFO L290 TraceCheckUtils]: 12: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,391 INFO L290 TraceCheckUtils]: 11: Hoare triple {2505#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-07 19:47:26,391 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2505#true} {2505#true} [141] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2505#true} is VALID [2022-04-07 19:47:26,391 INFO L290 TraceCheckUtils]: 9: Hoare triple {2505#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,391 INFO L290 TraceCheckUtils]: 8: Hoare triple {2505#true} [111] 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[] {2505#true} is VALID [2022-04-07 19:47:26,392 INFO L290 TraceCheckUtils]: 7: Hoare triple {2505#true} [107] 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] {2505#true} is VALID [2022-04-07 19:47:26,392 INFO L272 TraceCheckUtils]: 6: Hoare triple {2505#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2505#true} is VALID [2022-04-07 19:47:26,392 INFO L290 TraceCheckUtils]: 5: Hoare triple {2505#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2505#true} is VALID [2022-04-07 19:47:26,392 INFO L272 TraceCheckUtils]: 4: Hoare triple {2505#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,392 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2505#true} {2505#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,393 INFO L290 TraceCheckUtils]: 2: Hoare triple {2505#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,393 INFO L290 TraceCheckUtils]: 1: Hoare triple {2505#true} [101] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2505#true} is VALID [2022-04-07 19:47:26,393 INFO L272 TraceCheckUtils]: 0: Hoare triple {2505#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-07 19:47:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-07 19:47:26,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 19:47:26,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516519519] [2022-04-07 19:47:26,394 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 19:47:26,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096486964] [2022-04-07 19:47:26,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096486964] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-07 19:47:26,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-07 19:47:26,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2022-04-07 19:47:26,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977879037] [2022-04-07 19:47:26,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 19:47:26,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-07 19:47:26,395 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 19:47:26,395 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 19:47:28,442 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 33 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:28,442 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 19:47:28,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 19:47:28,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 19:47:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-04-07 19:47:28,443 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 19:47:31,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-07 19:47:33,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-07 19:47:35,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-07 19:47:37,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-07 19:47:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:39,004 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-07 19:47:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 19:47:39,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-07 19:47:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 19:47:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 19:47:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-04-07 19:47:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 19:47:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-04-07 19:47:39,008 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 58 transitions. [2022-04-07 19:47:41,079 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 57 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 19:47:41,080 INFO L225 Difference]: With dead ends: 91 [2022-04-07 19:47:41,080 INFO L226 Difference]: Without dead ends: 91 [2022-04-07 19:47:41,081 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-07 19:47:41,081 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-04-07 19:47:41,081 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 135 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2022-04-07 19:47:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-04-07 19:47:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2022-04-07 19:47:41,086 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 19:47:41,087 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-07 19:47:41,087 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-07 19:47:41,087 INFO L87 Difference]: Start difference. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-07 19:47:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:41,090 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-07 19:47:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-07 19:47:41,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:41,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:41,091 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-07 19:47:41,091 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-07 19:47:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 19:47:41,094 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-07 19:47:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-07 19:47:41,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 19:47:41,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 19:47:41,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 19:47:41,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 19:47:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-07 19:47:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 105 transitions. [2022-04-07 19:47:41,099 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 105 transitions. Word has length 46 [2022-04-07 19:47:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 19:47:41,099 INFO L478 AbstractCegarLoop]: Abstraction has 88 states and 105 transitions. [2022-04-07 19:47:41,099 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 19:47:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2022-04-07 19:47:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-07 19:47:41,100 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 19:47:41,100 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1] [2022-04-07 19:47:41,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-07 19:47:41,304 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:41,305 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 19:47:41,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 19:47:41,305 INFO L85 PathProgramCache]: Analyzing trace with hash 450187565, now seen corresponding path program 1 times [2022-04-07 19:47:41,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 19:47:41,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938222896] [2022-04-07 19:47:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:41,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 19:47:41,329 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 19:47:41,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72156432] [2022-04-07 19:47:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 19:47:41,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 19:47:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 19:47:41,339 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 19:47:41,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process