/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/cohendiv-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 18:30:26,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 18:30:26,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 18:30:26,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 18:30:26,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 18:30:26,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 18:30:26,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 18:30:26,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 18:30:26,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 18:30:26,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 18:30:26,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 18:30:26,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 18:30:26,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 18:30:26,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 18:30:26,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 18:30:26,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 18:30:26,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 18:30:26,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 18:30:26,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 18:30:26,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 18:30:26,840 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 18:30:26,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 18:30:26,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 18:30:26,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 18:30:26,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 18:30:26,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 18:30:26,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 18:30:26,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 18:30:26,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 18:30:26,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 18:30:26,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 18:30:26,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 18:30:26,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 18:30:26,862 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 18:30:26,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 18:30:26,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 18:30:26,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 18:30:26,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 18:30:26,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 18:30:26,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 18:30:26,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 18:30:26,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 18:30:26,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 18:30:26,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 18:30:26,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 18:30:26,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 18:30:26,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 18:30:27,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 18:30:27,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 18:30:27,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 18:30:27,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 18:30:27,062 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 18:30:27,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-07 18:30:27,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847d73078/40459240eb5f4af2af332151432abb7b/FLAG4a1715b1f [2022-04-07 18:30:27,469 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 18:30:27,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-07 18:30:27,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847d73078/40459240eb5f4af2af332151432abb7b/FLAG4a1715b1f [2022-04-07 18:30:27,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847d73078/40459240eb5f4af2af332151432abb7b [2022-04-07 18:30:27,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 18:30:27,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 18:30:27,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 18:30:27,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 18:30:27,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 18:30:27,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4cdc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27, skipping insertion in model container [2022-04-07 18:30:27,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 18:30:27,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 18:30:27,650 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/cohendiv-ll_unwindbound2.c[576,589] [2022-04-07 18:30:27,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 18:30:27,668 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 18:30:27,691 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/cohendiv-ll_unwindbound2.c[576,589] [2022-04-07 18:30:27,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 18:30:27,705 INFO L208 MainTranslator]: Completed translation [2022-04-07 18:30:27,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27 WrapperNode [2022-04-07 18:30:27,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 18:30:27,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 18:30:27,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 18:30:27,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 18:30:27,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 18:30:27,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 18:30:27,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 18:30:27,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 18:30:27,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (1/1) ... [2022-04-07 18:30:27,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 18:30:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:27,777 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 18:30:27,778 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 18:30:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 18:30:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 18:30:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 18:30:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-07 18:30:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-07 18:30:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 18:30:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 18:30:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 18:30:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 18:30:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 18:30:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 18:30:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 18:30:27,863 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 18:30:27,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 18:30:28,029 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 18:30:28,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 18:30:28,041 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-07 18:30:28,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 06:30:28 BoogieIcfgContainer [2022-04-07 18:30:28,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 18:30:28,043 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 18:30:28,043 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 18:30:28,047 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 18:30:28,049 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 06:30:28" (1/1) ... [2022-04-07 18:30:28,051 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 18:30:28,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 06:30:28 BasicIcfg [2022-04-07 18:30:28,070 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 18:30:28,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 18:30:28,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 18:30:28,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 18:30:28,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 06:30:27" (1/4) ... [2022-04-07 18:30:28,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c16985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 06:30:28, skipping insertion in model container [2022-04-07 18:30:28,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 06:30:27" (2/4) ... [2022-04-07 18:30:28,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c16985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 06:30:28, skipping insertion in model container [2022-04-07 18:30:28,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 06:30:28" (3/4) ... [2022-04-07 18:30:28,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c16985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 06:30:28, skipping insertion in model container [2022-04-07 18:30:28,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 06:30:28" (4/4) ... [2022-04-07 18:30:28,080 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound2.cJordan [2022-04-07 18:30:28,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 18:30:28,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 18:30:28,109 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 18:30:28,118 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 18:30:28,118 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 18:30:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 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 18:30:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-07 18:30:28,140 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:28,140 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 18:30:28,141 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:28,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1213541379, now seen corresponding path program 1 times [2022-04-07 18:30:28,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:28,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582989101] [2022-04-07 18:30:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:28,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 18:30:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:28,335 INFO L290 TraceCheckUtils]: 0: Hoare triple {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {41#true} is VALID [2022-04-07 18:30:28,335 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-07 18:30:28,335 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {41#true} {41#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-07 18:30:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 18:30:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:28,343 INFO L290 TraceCheckUtils]: 0: Hoare triple {41#true} [104] 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] {41#true} is VALID [2022-04-07 18:30:28,345 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,345 INFO L290 TraceCheckUtils]: 2: Hoare triple {42#false} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,345 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42#false} {41#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {42#false} is VALID [2022-04-07 18:30:28,347 INFO L272 TraceCheckUtils]: 0: Hoare triple {41#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 18:30:28,348 INFO L290 TraceCheckUtils]: 1: Hoare triple {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {41#true} is VALID [2022-04-07 18:30:28,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-07 18:30:28,348 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41#true} {41#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-07 18:30:28,348 INFO L272 TraceCheckUtils]: 4: Hoare triple {41#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-07 18:30:28,348 INFO L290 TraceCheckUtils]: 5: Hoare triple {41#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {41#true} is VALID [2022-04-07 18:30:28,349 INFO L272 TraceCheckUtils]: 6: Hoare triple {41#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {41#true} is VALID [2022-04-07 18:30:28,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {41#true} [104] 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] {41#true} is VALID [2022-04-07 18:30:28,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {42#false} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,351 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {42#false} {41#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {42#false} is VALID [2022-04-07 18:30:28,351 INFO L290 TraceCheckUtils]: 11: Hoare triple {42#false} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {42#false} is VALID [2022-04-07 18:30:28,351 INFO L290 TraceCheckUtils]: 12: Hoare triple {42#false} [105] L37-3-->L37-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,351 INFO L272 TraceCheckUtils]: 13: Hoare triple {42#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {42#false} is VALID [2022-04-07 18:30:28,351 INFO L290 TraceCheckUtils]: 14: Hoare triple {42#false} [114] __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] {42#false} is VALID [2022-04-07 18:30:28,352 INFO L290 TraceCheckUtils]: 15: Hoare triple {42#false} [117] 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[] {42#false} is VALID [2022-04-07 18:30:28,352 INFO L290 TraceCheckUtils]: 16: Hoare triple {42#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-07 18:30:28,352 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 18:30:28,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:28,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582989101] [2022-04-07 18:30:28,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582989101] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:28,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:28,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-07 18:30:28,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61153484] [2022-04-07 18:30:28,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:28,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-07 18:30:28,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:28,361 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:28,383 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:28,383 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-07 18:30:28,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:28,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-07 18:30:28,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 18:30:28,398 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 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 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:28,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:28,553 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-04-07 18:30:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-07 18:30:28,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-07 18:30:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-07 18:30:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-07 18:30:28,572 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2022-04-07 18:30:28,650 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 18:30:28,661 INFO L225 Difference]: With dead ends: 39 [2022-04-07 18:30:28,661 INFO L226 Difference]: Without dead ends: 34 [2022-04-07 18:30:28,663 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 18:30:28,666 INFO L913 BasicCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:28,667 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 18:30:28,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-07 18:30:28,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-07 18:30:28,686 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:28,687 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 18:30:28,687 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 18:30:28,688 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 18:30:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:28,691 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-07 18:30:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-07 18:30:28,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:28,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:28,692 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 34 states. [2022-04-07 18:30:28,693 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 34 states. [2022-04-07 18:30:28,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:28,696 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-07 18:30:28,696 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-07 18:30:28,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:28,696 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:28,696 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:28,696 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 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 18:30:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-04-07 18:30:28,700 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 17 [2022-04-07 18:30:28,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:28,700 INFO L478 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-04-07 18:30:28,701 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-04-07 18:30:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-07 18:30:28,701 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:28,701 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 18:30:28,701 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 18:30:28,702 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:28,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:28,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1202035559, now seen corresponding path program 1 times [2022-04-07 18:30:28,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:28,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282173439] [2022-04-07 18:30:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:28,715 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:28,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806366614] [2022-04-07 18:30:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:28,743 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 18:30:28,746 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 18:30:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:28,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-07 18:30:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:28,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:28,952 INFO L272 TraceCheckUtils]: 0: Hoare triple {193#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {193#true} is VALID [2022-04-07 18:30:28,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {193#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {201#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,954 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {201#(<= ~counter~0 0)} {193#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,955 INFO L272 TraceCheckUtils]: 4: Hoare triple {201#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,955 INFO L290 TraceCheckUtils]: 5: Hoare triple {201#(<= ~counter~0 0)} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,956 INFO L272 TraceCheckUtils]: 6: Hoare triple {201#(<= ~counter~0 0)} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {201#(<= ~counter~0 0)} [104] 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] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,957 INFO L290 TraceCheckUtils]: 8: Hoare triple {201#(<= ~counter~0 0)} [108] 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[] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {201#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,958 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {201#(<= ~counter~0 0)} {201#(<= ~counter~0 0)} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,958 INFO L290 TraceCheckUtils]: 11: Hoare triple {201#(<= ~counter~0 0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {201#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:28,959 INFO L290 TraceCheckUtils]: 12: Hoare triple {201#(<= ~counter~0 0)} [106] L37-3-->L37-1: 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] {235#(<= |main_#t~post6| 0)} is VALID [2022-04-07 18:30:28,959 INFO L290 TraceCheckUtils]: 13: Hoare triple {235#(<= |main_#t~post6| 0)} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {194#false} is VALID [2022-04-07 18:30:28,960 INFO L272 TraceCheckUtils]: 14: Hoare triple {194#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {194#false} is VALID [2022-04-07 18:30:28,960 INFO L290 TraceCheckUtils]: 15: Hoare triple {194#false} [114] __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] {194#false} is VALID [2022-04-07 18:30:28,961 INFO L290 TraceCheckUtils]: 16: Hoare triple {194#false} [117] 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[] {194#false} is VALID [2022-04-07 18:30:28,961 INFO L290 TraceCheckUtils]: 17: Hoare triple {194#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {194#false} is VALID [2022-04-07 18:30:28,962 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 18:30:28,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:28,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:28,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282173439] [2022-04-07 18:30:28,962 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:28,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806366614] [2022-04-07 18:30:28,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806366614] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:28,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:28,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-07 18:30:28,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121246443] [2022-04-07 18:30:28,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:28,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18 [2022-04-07 18:30:28,968 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:28,969 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:30:28,983 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 18:30:28,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-07 18:30:28,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-07 18:30:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 18:30:28,985 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:30:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,064 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-07 18:30:29,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-07 18:30:29,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18 [2022-04-07 18:30:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:30:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-07 18:30:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:30:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-07 18:30:29,068 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 45 transitions. [2022-04-07 18:30:29,101 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 18:30:29,103 INFO L225 Difference]: With dead ends: 35 [2022-04-07 18:30:29,103 INFO L226 Difference]: Without dead ends: 35 [2022-04-07 18:30:29,103 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 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 18:30:29,104 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 18:30:29,104 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 18:30:29,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-07 18:30:29,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-07 18:30:29,120 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:29,120 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 18:30:29,121 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 18:30:29,123 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 18:30:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,129 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-07 18:30:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-07 18:30:29,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:29,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:29,133 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 35 states. [2022-04-07 18:30:29,133 INFO L87 Difference]: Start difference. First operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 35 states. [2022-04-07 18:30:29,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,135 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-07 18:30:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-07 18:30:29,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:29,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:29,135 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:29,135 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 18:30:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2022-04-07 18:30:29,137 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 18 [2022-04-07 18:30:29,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:29,137 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-04-07 18:30:29,138 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 18:30:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-07 18:30:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-07 18:30:29,138 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:29,138 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 18:30:29,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-07 18:30:29,357 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:29,358 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:29,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:29,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1200933292, now seen corresponding path program 1 times [2022-04-07 18:30:29,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:29,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661649589] [2022-04-07 18:30:29,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:29,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:29,371 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:29,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130859217] [2022-04-07 18:30:29,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:29,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:29,375 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 18:30:29,375 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 18:30:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:29,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 18:30:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:29,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:29,524 INFO L272 TraceCheckUtils]: 0: Hoare triple {390#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-07 18:30:29,525 INFO L290 TraceCheckUtils]: 1: Hoare triple {390#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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#true} is VALID [2022-04-07 18:30:29,525 INFO L290 TraceCheckUtils]: 2: Hoare triple {390#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-07 18:30:29,525 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {390#true} {390#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-07 18:30:29,525 INFO L272 TraceCheckUtils]: 4: Hoare triple {390#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-07 18:30:29,526 INFO L290 TraceCheckUtils]: 5: Hoare triple {390#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {390#true} is VALID [2022-04-07 18:30:29,526 INFO L272 TraceCheckUtils]: 6: Hoare triple {390#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {390#true} is VALID [2022-04-07 18:30:29,529 INFO L290 TraceCheckUtils]: 7: Hoare triple {390#true} [104] 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#true} is VALID [2022-04-07 18:30:29,529 INFO L290 TraceCheckUtils]: 8: Hoare triple {390#true} [108] 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#true} is VALID [2022-04-07 18:30:29,530 INFO L290 TraceCheckUtils]: 9: Hoare triple {390#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-07 18:30:29,530 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {390#true} {390#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {390#true} is VALID [2022-04-07 18:30:29,531 INFO L290 TraceCheckUtils]: 11: Hoare triple {390#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-07 18:30:29,532 INFO L290 TraceCheckUtils]: 12: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [106] L37-3-->L37-1: 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] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-07 18:30:29,533 INFO L290 TraceCheckUtils]: 13: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-07 18:30:29,535 INFO L272 TraceCheckUtils]: 14: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {438#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:29,536 INFO L290 TraceCheckUtils]: 15: Hoare triple {438#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {442#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:29,536 INFO L290 TraceCheckUtils]: 16: Hoare triple {442#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {391#false} is VALID [2022-04-07 18:30:29,536 INFO L290 TraceCheckUtils]: 17: Hoare triple {391#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {391#false} is VALID [2022-04-07 18:30:29,536 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 18:30:29,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:29,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:29,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661649589] [2022-04-07 18:30:29,539 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:29,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130859217] [2022-04-07 18:30:29,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130859217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:29,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:29,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 18:30:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15523182] [2022-04-07 18:30:29,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:29,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 18:30:29,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:29,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:29,553 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 18:30:29,554 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 18:30:29,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 18:30:29,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 18:30:29,555 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,686 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-07 18:30:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 18:30:29,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-07 18:30:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-07 18:30:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-07 18:30:29,694 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2022-04-07 18:30:29,735 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:29,737 INFO L225 Difference]: With dead ends: 43 [2022-04-07 18:30:29,737 INFO L226 Difference]: Without dead ends: 43 [2022-04-07 18:30:29,737 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 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 18:30:29,740 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:29,741 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 145 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 18:30:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-07 18:30:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-04-07 18:30:29,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:29,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 18:30:29,744 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 18:30:29,744 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 18:30:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,747 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-07 18:30:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-07 18:30:29,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:29,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:29,747 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 43 states. [2022-04-07 18:30:29,748 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 43 states. [2022-04-07 18:30:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:29,750 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-07 18:30:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-07 18:30:29,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:29,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:29,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:29,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-07 18:30:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-04-07 18:30:29,757 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2022-04-07 18:30:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:29,758 INFO L478 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-04-07 18:30:29,758 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-07 18:30:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-04-07 18:30:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-07 18:30:29,759 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:29,759 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 18:30:29,779 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 18:30:29,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-07 18:30:29,960 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:29,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash -944097291, now seen corresponding path program 1 times [2022-04-07 18:30:29,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:29,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420787812] [2022-04-07 18:30:29,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:29,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:29,971 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:29,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109205978] [2022-04-07 18:30:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:29,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:29,972 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 18:30:29,973 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 18:30:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:30,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 18:30:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:30,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:30,098 INFO L272 TraceCheckUtils]: 0: Hoare triple {619#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,098 INFO L290 TraceCheckUtils]: 1: Hoare triple {619#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L290 TraceCheckUtils]: 2: Hoare triple {619#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {619#true} {619#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L272 TraceCheckUtils]: 4: Hoare triple {619#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L290 TraceCheckUtils]: 5: Hoare triple {619#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L272 TraceCheckUtils]: 6: Hoare triple {619#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L290 TraceCheckUtils]: 7: Hoare triple {619#true} [104] 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] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L290 TraceCheckUtils]: 8: Hoare triple {619#true} [108] 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[] {619#true} is VALID [2022-04-07 18:30:30,099 INFO L290 TraceCheckUtils]: 9: Hoare triple {619#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,100 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {619#true} {619#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {619#true} is VALID [2022-04-07 18:30:30,100 INFO L290 TraceCheckUtils]: 11: Hoare triple {619#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:30,101 INFO L290 TraceCheckUtils]: 12: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [106] L37-3-->L37-1: 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] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:30,101 INFO L290 TraceCheckUtils]: 13: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:30,101 INFO L272 TraceCheckUtils]: 14: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {619#true} is VALID [2022-04-07 18:30:30,101 INFO L290 TraceCheckUtils]: 15: Hoare triple {619#true} [114] __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] {619#true} is VALID [2022-04-07 18:30:30,101 INFO L290 TraceCheckUtils]: 16: Hoare triple {619#true} [118] 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[] {619#true} is VALID [2022-04-07 18:30:30,102 INFO L290 TraceCheckUtils]: 17: Hoare triple {619#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-07 18:30:30,103 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {619#true} {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:30,103 INFO L272 TraceCheckUtils]: 19: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {682#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:30,104 INFO L290 TraceCheckUtils]: 20: Hoare triple {682#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {686#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:30,104 INFO L290 TraceCheckUtils]: 21: Hoare triple {686#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {620#false} is VALID [2022-04-07 18:30:30,104 INFO L290 TraceCheckUtils]: 22: Hoare triple {620#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {620#false} is VALID [2022-04-07 18:30:30,105 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 18:30:30,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:30,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:30,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420787812] [2022-04-07 18:30:30,105 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:30,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109205978] [2022-04-07 18:30:30,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109205978] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:30,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:30,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 18:30:30,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901043306] [2022-04-07 18:30:30,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:30,106 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, (5), 2 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 18:30:30,106 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:30,106 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, (5), 2 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 18:30:30,125 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 18:30:30,126 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 18:30:30,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:30,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 18:30:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 18:30:30,126 INFO L87 Difference]: Start difference. First operand 40 states and 49 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, (5), 2 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 18:30:30,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,275 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-07 18:30:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 18:30:30,275 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, (5), 2 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 18:30:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:30,275 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, (5), 2 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 18:30:30,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2022-04-07 18:30:30,277 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, (5), 2 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 18:30:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2022-04-07 18:30:30,278 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 70 transitions. [2022-04-07 18:30:30,343 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:30,344 INFO L225 Difference]: With dead ends: 56 [2022-04-07 18:30:30,344 INFO L226 Difference]: Without dead ends: 55 [2022-04-07 18:30:30,344 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 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 18:30:30,345 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 13 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:30,345 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 139 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 18:30:30,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-07 18:30:30,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-04-07 18:30:30,349 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:30,349 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 18:30:30,349 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 18:30:30,349 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 18:30:30,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,352 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-07 18:30:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-07 18:30:30,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:30,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:30,353 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 55 states. [2022-04-07 18:30:30,353 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 55 states. [2022-04-07 18:30:30,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,355 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-07 18:30:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-07 18:30:30,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:30,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:30,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:30,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 18:30:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-04-07 18:30:30,357 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 23 [2022-04-07 18:30:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:30,358 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-04-07 18:30:30,358 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, (5), 2 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 18:30:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-04-07 18:30:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-07 18:30:30,358 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:30,358 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, 1, 1, 1] [2022-04-07 18:30:30,377 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 18:30:30,575 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:30,576 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:30,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:30,576 INFO L85 PathProgramCache]: Analyzing trace with hash -653220550, now seen corresponding path program 1 times [2022-04-07 18:30:30,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:30,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538392469] [2022-04-07 18:30:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:30,586 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:30,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290425559] [2022-04-07 18:30:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:30,591 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 18:30:30,592 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 18:30:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:30,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 18:30:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:30,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:30,724 INFO L272 TraceCheckUtils]: 0: Hoare triple {914#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,725 INFO L290 TraceCheckUtils]: 1: Hoare triple {914#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {914#true} is VALID [2022-04-07 18:30:30,725 INFO L290 TraceCheckUtils]: 2: Hoare triple {914#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,725 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {914#true} {914#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,725 INFO L272 TraceCheckUtils]: 4: Hoare triple {914#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,725 INFO L290 TraceCheckUtils]: 5: Hoare triple {914#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L272 TraceCheckUtils]: 6: Hoare triple {914#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L290 TraceCheckUtils]: 7: Hoare triple {914#true} [104] 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] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L290 TraceCheckUtils]: 8: Hoare triple {914#true} [108] 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[] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L290 TraceCheckUtils]: 9: Hoare triple {914#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {914#true} {914#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L290 TraceCheckUtils]: 11: Hoare triple {914#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {914#true} is VALID [2022-04-07 18:30:30,726 INFO L290 TraceCheckUtils]: 12: Hoare triple {914#true} [106] L37-3-->L37-1: 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] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L290 TraceCheckUtils]: 13: Hoare triple {914#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L272 TraceCheckUtils]: 14: Hoare triple {914#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L290 TraceCheckUtils]: 15: Hoare triple {914#true} [114] __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] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {914#true} [118] 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[] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {914#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {914#true} {914#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L272 TraceCheckUtils]: 19: Hoare triple {914#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {914#true} is VALID [2022-04-07 18:30:30,727 INFO L290 TraceCheckUtils]: 20: Hoare triple {914#true} [114] __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] {914#true} is VALID [2022-04-07 18:30:30,728 INFO L290 TraceCheckUtils]: 21: Hoare triple {914#true} [118] 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[] {914#true} is VALID [2022-04-07 18:30:30,728 INFO L290 TraceCheckUtils]: 22: Hoare triple {914#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-07 18:30:30,728 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {914#true} {914#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {914#true} is VALID [2022-04-07 18:30:30,731 INFO L290 TraceCheckUtils]: 24: Hoare triple {914#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-07 18:30:30,731 INFO L290 TraceCheckUtils]: 25: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [126] L46-3-->L46-1: 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] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-07 18:30:30,731 INFO L290 TraceCheckUtils]: 26: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-07 18:30:30,732 INFO L272 TraceCheckUtils]: 27: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1001#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:30,732 INFO L290 TraceCheckUtils]: 28: Hoare triple {1001#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {1005#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:30,733 INFO L290 TraceCheckUtils]: 29: Hoare triple {1005#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {915#false} is VALID [2022-04-07 18:30:30,733 INFO L290 TraceCheckUtils]: 30: Hoare triple {915#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {915#false} is VALID [2022-04-07 18:30:30,733 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 18:30:30,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:30,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:30,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538392469] [2022-04-07 18:30:30,733 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:30,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290425559] [2022-04-07 18:30:30,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290425559] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:30,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:30,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 18:30:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900879610] [2022-04-07 18:30:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:30,734 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-04-07 18:30:30,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:30,735 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-07 18:30:30,760 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:30,760 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 18:30:30,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:30,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 18:30:30,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 18:30:30,761 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-07 18:30:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,916 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-07 18:30:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 18:30:30,916 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-04-07 18:30:30,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:30,916 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-07 18:30:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-07 18:30:30,917 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-07 18:30:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-07 18:30:30,919 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 71 transitions. [2022-04-07 18:30:30,968 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:30,970 INFO L225 Difference]: With dead ends: 81 [2022-04-07 18:30:30,970 INFO L226 Difference]: Without dead ends: 81 [2022-04-07 18:30:30,970 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 18:30:30,970 INFO L913 BasicCegarLoop]: 46 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:30,971 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 18:30:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-04-07 18:30:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 74. [2022-04-07 18:30:30,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:30,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:30,975 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:30,976 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,979 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-07 18:30:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-07 18:30:30,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:30,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:30,979 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 81 states. [2022-04-07 18:30:30,980 INFO L87 Difference]: Start difference. First operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 81 states. [2022-04-07 18:30:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:30,982 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-07 18:30:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-07 18:30:30,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:30,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:30,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:30,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2022-04-07 18:30:30,985 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 31 [2022-04-07 18:30:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:30,985 INFO L478 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2022-04-07 18:30:30,986 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-07 18:30:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-04-07 18:30:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-07 18:30:30,986 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:30,986 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 18:30:31,004 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 18:30:31,200 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:31,200 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:31,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash -830156892, now seen corresponding path program 1 times [2022-04-07 18:30:31,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:31,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983572576] [2022-04-07 18:30:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:31,211 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:31,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780919750] [2022-04-07 18:30:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:31,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:31,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:31,228 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 18:30:31,230 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 18:30:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:31,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-07 18:30:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:31,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:31,404 INFO L272 TraceCheckUtils]: 0: Hoare triple {1330#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1330#true} is VALID [2022-04-07 18:30:31,405 INFO L290 TraceCheckUtils]: 1: Hoare triple {1330#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,405 INFO L290 TraceCheckUtils]: 2: Hoare triple {1338#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,406 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1338#(<= ~counter~0 0)} {1330#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,407 INFO L272 TraceCheckUtils]: 4: Hoare triple {1338#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,407 INFO L290 TraceCheckUtils]: 5: Hoare triple {1338#(<= ~counter~0 0)} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,417 INFO L272 TraceCheckUtils]: 6: Hoare triple {1338#(<= ~counter~0 0)} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,417 INFO L290 TraceCheckUtils]: 7: Hoare triple {1338#(<= ~counter~0 0)} [104] 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] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,418 INFO L290 TraceCheckUtils]: 8: Hoare triple {1338#(<= ~counter~0 0)} [108] 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[] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,418 INFO L290 TraceCheckUtils]: 9: Hoare triple {1338#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,419 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1338#(<= ~counter~0 0)} {1338#(<= ~counter~0 0)} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,419 INFO L290 TraceCheckUtils]: 11: Hoare triple {1338#(<= ~counter~0 0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {1338#(<= ~counter~0 0)} is VALID [2022-04-07 18:30:31,419 INFO L290 TraceCheckUtils]: 12: Hoare triple {1338#(<= ~counter~0 0)} [106] L37-3-->L37-1: 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] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,420 INFO L290 TraceCheckUtils]: 13: Hoare triple {1372#(<= ~counter~0 1)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,420 INFO L272 TraceCheckUtils]: 14: Hoare triple {1372#(<= ~counter~0 1)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,421 INFO L290 TraceCheckUtils]: 15: Hoare triple {1372#(<= ~counter~0 1)} [114] __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] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,421 INFO L290 TraceCheckUtils]: 16: Hoare triple {1372#(<= ~counter~0 1)} [118] 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[] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,421 INFO L290 TraceCheckUtils]: 17: Hoare triple {1372#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,422 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1372#(<= ~counter~0 1)} {1372#(<= ~counter~0 1)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,422 INFO L272 TraceCheckUtils]: 19: Hoare triple {1372#(<= ~counter~0 1)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,423 INFO L290 TraceCheckUtils]: 20: Hoare triple {1372#(<= ~counter~0 1)} [114] __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] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,423 INFO L290 TraceCheckUtils]: 21: Hoare triple {1372#(<= ~counter~0 1)} [118] 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[] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,423 INFO L290 TraceCheckUtils]: 22: Hoare triple {1372#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,424 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1372#(<= ~counter~0 1)} {1372#(<= ~counter~0 1)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,424 INFO L290 TraceCheckUtils]: 24: Hoare triple {1372#(<= ~counter~0 1)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 25: Hoare triple {1372#(<= ~counter~0 1)} [126] L46-3-->L46-1: 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] {1412#(<= |main_#t~post7| 1)} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 26: Hoare triple {1412#(<= |main_#t~post7| 1)} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1331#false} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 27: Hoare triple {1331#false} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {1331#false} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 28: Hoare triple {1331#false} [106] L37-3-->L37-1: 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] {1331#false} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 29: Hoare triple {1331#false} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1331#false} is VALID [2022-04-07 18:30:31,425 INFO L272 TraceCheckUtils]: 30: Hoare triple {1331#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1331#false} is VALID [2022-04-07 18:30:31,425 INFO L290 TraceCheckUtils]: 31: Hoare triple {1331#false} [114] __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] {1331#false} is VALID [2022-04-07 18:30:31,426 INFO L290 TraceCheckUtils]: 32: Hoare triple {1331#false} [117] 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[] {1331#false} is VALID [2022-04-07 18:30:31,426 INFO L290 TraceCheckUtils]: 33: Hoare triple {1331#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1331#false} is VALID [2022-04-07 18:30:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-07 18:30:31,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:31,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983572576] [2022-04-07 18:30:31,426 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780919750] [2022-04-07 18:30:31,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780919750] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:31,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:31,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 18:30:31,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502543375] [2022-04-07 18:30:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:31,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2022-04-07 18:30:31,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:31,427 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 18:30:31,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:31,447 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 18:30:31,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:31,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 18:30:31,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-07 18:30:31,447 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 18:30:31,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:31,530 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-07 18:30:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 18:30:31,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2022-04-07 18:30:31,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 18:30:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-07 18:30:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 18:30:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-07 18:30:31,532 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2022-04-07 18:30:31,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:31,570 INFO L225 Difference]: With dead ends: 78 [2022-04-07 18:30:31,570 INFO L226 Difference]: Without dead ends: 78 [2022-04-07 18:30:31,570 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 18:30:31,571 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:31,571 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 114 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-07 18:30:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-04-07 18:30:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-04-07 18:30:31,574 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:31,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:31,575 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:31,575 INFO L87 Difference]: Start difference. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:31,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:31,578 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-07 18:30:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-07 18:30:31,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:31,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:31,579 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 78 states. [2022-04-07 18:30:31,579 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 78 states. [2022-04-07 18:30:31,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:31,582 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-07 18:30:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-07 18:30:31,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:31,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:31,582 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:31,582 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2022-04-07 18:30:31,586 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 34 [2022-04-07 18:30:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:31,586 INFO L478 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2022-04-07 18:30:31,586 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-07 18:30:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-07 18:30:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-07 18:30:31,587 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:31,588 INFO L499 BasicCegarLoop]: trace histogram [5, 4, 4, 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 18:30:31,605 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 18:30:31,795 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:31,796 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:31,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:31,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1527688582, now seen corresponding path program 1 times [2022-04-07 18:30:31,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:31,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964789066] [2022-04-07 18:30:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:31,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:31,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:31,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913831766] [2022-04-07 18:30:31,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:31,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:31,820 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 18:30:31,820 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 18:30:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:31,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-07 18:30:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:31,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:32,006 INFO L272 TraceCheckUtils]: 0: Hoare triple {1748#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L290 TraceCheckUtils]: 1: Hoare triple {1748#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L290 TraceCheckUtils]: 2: Hoare triple {1748#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1748#true} {1748#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L272 TraceCheckUtils]: 4: Hoare triple {1748#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L290 TraceCheckUtils]: 5: Hoare triple {1748#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L272 TraceCheckUtils]: 6: Hoare triple {1748#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1748#true} is VALID [2022-04-07 18:30:32,007 INFO L290 TraceCheckUtils]: 7: Hoare triple {1748#true} [104] 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] {1774#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-07 18:30:32,008 INFO L290 TraceCheckUtils]: 8: Hoare triple {1774#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [108] 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[] {1778#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 18:30:32,008 INFO L290 TraceCheckUtils]: 9: Hoare triple {1778#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1778#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 18:30:32,008 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1778#(not (= |assume_abort_if_not_#in~cond| 0))} {1748#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,009 INFO L290 TraceCheckUtils]: 11: Hoare triple {1785#(<= 1 main_~y~0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,009 INFO L290 TraceCheckUtils]: 12: Hoare triple {1785#(<= 1 main_~y~0)} [106] L37-3-->L37-1: 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] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,009 INFO L290 TraceCheckUtils]: 13: Hoare triple {1785#(<= 1 main_~y~0)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,009 INFO L272 TraceCheckUtils]: 14: Hoare triple {1785#(<= 1 main_~y~0)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L290 TraceCheckUtils]: 15: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L290 TraceCheckUtils]: 16: Hoare triple {1748#true} [118] 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[] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L290 TraceCheckUtils]: 17: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1748#true} {1785#(<= 1 main_~y~0)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,010 INFO L272 TraceCheckUtils]: 19: Hoare triple {1785#(<= 1 main_~y~0)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L290 TraceCheckUtils]: 20: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-07 18:30:32,010 INFO L290 TraceCheckUtils]: 21: Hoare triple {1748#true} [118] 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[] {1748#true} is VALID [2022-04-07 18:30:32,011 INFO L290 TraceCheckUtils]: 22: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,012 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1748#true} {1785#(<= 1 main_~y~0)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-07 18:30:32,012 INFO L290 TraceCheckUtils]: 24: Hoare triple {1785#(<= 1 main_~y~0)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-07 18:30:32,013 INFO L290 TraceCheckUtils]: 25: Hoare triple {1828#(<= 1 main_~r~0)} [126] L46-3-->L46-1: 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] {1828#(<= 1 main_~r~0)} is VALID [2022-04-07 18:30:32,013 INFO L290 TraceCheckUtils]: 26: Hoare triple {1828#(<= 1 main_~r~0)} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1828#(<= 1 main_~r~0)} is VALID [2022-04-07 18:30:32,013 INFO L272 TraceCheckUtils]: 27: Hoare triple {1828#(<= 1 main_~r~0)} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1748#true} is VALID [2022-04-07 18:30:32,013 INFO L290 TraceCheckUtils]: 28: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-07 18:30:32,013 INFO L290 TraceCheckUtils]: 29: Hoare triple {1748#true} [118] 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[] {1748#true} is VALID [2022-04-07 18:30:32,013 INFO L290 TraceCheckUtils]: 30: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,014 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {1748#true} {1828#(<= 1 main_~r~0)} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-07 18:30:32,014 INFO L272 TraceCheckUtils]: 32: Hoare triple {1828#(<= 1 main_~r~0)} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1748#true} is VALID [2022-04-07 18:30:32,014 INFO L290 TraceCheckUtils]: 33: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-07 18:30:32,014 INFO L290 TraceCheckUtils]: 34: Hoare triple {1748#true} [118] 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[] {1748#true} is VALID [2022-04-07 18:30:32,014 INFO L290 TraceCheckUtils]: 35: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-07 18:30:32,015 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {1748#true} {1828#(<= 1 main_~r~0)} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-07 18:30:32,015 INFO L272 TraceCheckUtils]: 37: Hoare triple {1828#(<= 1 main_~r~0)} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {1868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:32,015 INFO L290 TraceCheckUtils]: 38: Hoare triple {1868#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {1872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:32,016 INFO L290 TraceCheckUtils]: 39: Hoare triple {1872#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {1749#false} is VALID [2022-04-07 18:30:32,016 INFO L290 TraceCheckUtils]: 40: Hoare triple {1749#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1749#false} is VALID [2022-04-07 18:30:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-07 18:30:32,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 18:30:32,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:32,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964789066] [2022-04-07 18:30:32,016 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:32,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913831766] [2022-04-07 18:30:32,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913831766] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 18:30:32,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 18:30:32,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-07 18:30:32,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355306267] [2022-04-07 18:30:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 18:30:32,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 41 [2022-04-07 18:30:32,017 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:32,017 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-07 18:30:32,052 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:30:32,052 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-07 18:30:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-07 18:30:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-07 18:30:32,053 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-07 18:30:32,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:32,292 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-07 18:30:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-07 18:30:32,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 41 [2022-04-07 18:30:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-07 18:30:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-07 18:30:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-07 18:30:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-07 18:30:32,294 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2022-04-07 18:30:32,325 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 18:30:32,326 INFO L225 Difference]: With dead ends: 82 [2022-04-07 18:30:32,326 INFO L226 Difference]: Without dead ends: 82 [2022-04-07 18:30:32,326 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-04-07 18:30:32,327 INFO L913 BasicCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:32,327 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 18:30:32,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-04-07 18:30:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-04-07 18:30:32,330 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:32,330 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:32,331 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:32,331 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:32,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:32,333 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-07 18:30:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-07 18:30:32,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:32,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:32,334 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 82 states. [2022-04-07 18:30:32,334 INFO L87 Difference]: Start difference. First operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 82 states. [2022-04-07 18:30:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:32,336 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-07 18:30:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-07 18:30:32,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:32,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:32,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:32,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-04-07 18:30:32,339 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 41 [2022-04-07 18:30:32,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:32,339 INFO L478 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-04-07 18:30:32,339 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-07 18:30:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-07 18:30:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-07 18:30:32,340 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:32,340 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 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 18:30:32,368 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 18:30:32,568 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:32,568 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:32,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:32,569 INFO L85 PathProgramCache]: Analyzing trace with hash 800232443, now seen corresponding path program 1 times [2022-04-07 18:30:32,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:32,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173247640] [2022-04-07 18:30:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:32,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:32,583 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:32,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353658870] [2022-04-07 18:30:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:32,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:32,585 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 18:30:32,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-07 18:30:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-07 18:30:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:32,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:32,888 INFO L272 TraceCheckUtils]: 0: Hoare triple {2212#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 1: Hoare triple {2212#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 2: Hoare triple {2212#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2212#true} {2212#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L272 TraceCheckUtils]: 4: Hoare triple {2212#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 5: Hoare triple {2212#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L272 TraceCheckUtils]: 6: Hoare triple {2212#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 7: Hoare triple {2212#true} [104] 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] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 8: Hoare triple {2212#true} [108] 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[] {2212#true} is VALID [2022-04-07 18:30:32,889 INFO L290 TraceCheckUtils]: 9: Hoare triple {2212#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2212#true} {2212#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 11: Hoare triple {2212#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 12: Hoare triple {2212#true} [106] L37-3-->L37-1: 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] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 13: Hoare triple {2212#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L272 TraceCheckUtils]: 14: Hoare triple {2212#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 15: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 16: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 17: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2212#true} {2212#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L272 TraceCheckUtils]: 19: Hoare triple {2212#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 20: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:32,890 INFO L290 TraceCheckUtils]: 21: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L290 TraceCheckUtils]: 22: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2212#true} {2212#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L290 TraceCheckUtils]: 24: Hoare triple {2212#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L290 TraceCheckUtils]: 25: Hoare triple {2212#true} [126] L46-3-->L46-1: 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] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L290 TraceCheckUtils]: 26: Hoare triple {2212#true} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2212#true} is VALID [2022-04-07 18:30:32,891 INFO L272 TraceCheckUtils]: 27: Hoare triple {2212#true} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:32,893 INFO L290 TraceCheckUtils]: 28: Hoare triple {2212#true} [114] __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] {2301#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:32,893 INFO L290 TraceCheckUtils]: 29: Hoare triple {2301#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [118] 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[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:32,894 INFO L290 TraceCheckUtils]: 30: Hoare triple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:32,894 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} {2212#true} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-07 18:30:32,894 INFO L272 TraceCheckUtils]: 32: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:32,894 INFO L290 TraceCheckUtils]: 33: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:32,894 INFO L290 TraceCheckUtils]: 34: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:32,895 INFO L290 TraceCheckUtils]: 35: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,895 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2212#true} {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-07 18:30:32,895 INFO L272 TraceCheckUtils]: 37: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:32,895 INFO L290 TraceCheckUtils]: 38: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:32,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:32,896 INFO L290 TraceCheckUtils]: 40: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:32,897 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2212#true} {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-07 18:30:32,898 INFO L290 TraceCheckUtils]: 42: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-07 18:30:32,898 INFO L272 TraceCheckUtils]: 43: Hoare triple {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:32,898 INFO L290 TraceCheckUtils]: 44: Hoare triple {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {2354#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:32,899 INFO L290 TraceCheckUtils]: 45: Hoare triple {2354#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2213#false} is VALID [2022-04-07 18:30:32,899 INFO L290 TraceCheckUtils]: 46: Hoare triple {2213#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2213#false} is VALID [2022-04-07 18:30:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-07 18:30:32,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 18:30:37,331 INFO L290 TraceCheckUtils]: 46: Hoare triple {2213#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2213#false} is VALID [2022-04-07 18:30:37,332 INFO L290 TraceCheckUtils]: 45: Hoare triple {2354#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2213#false} is VALID [2022-04-07 18:30:37,332 INFO L290 TraceCheckUtils]: 44: Hoare triple {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {2354#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:37,333 INFO L272 TraceCheckUtils]: 43: Hoare triple {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:37,334 INFO L290 TraceCheckUtils]: 42: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-07 18:30:37,334 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2212#true} {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-07 18:30:37,345 INFO L290 TraceCheckUtils]: 40: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,345 INFO L290 TraceCheckUtils]: 39: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:37,346 INFO L290 TraceCheckUtils]: 38: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:37,347 INFO L272 TraceCheckUtils]: 37: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:37,350 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2212#true} {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-07 18:30:37,351 INFO L290 TraceCheckUtils]: 35: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,351 INFO L290 TraceCheckUtils]: 34: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:37,352 INFO L290 TraceCheckUtils]: 33: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:37,352 INFO L272 TraceCheckUtils]: 32: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:37,353 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} {2212#true} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-07 18:30:37,354 INFO L290 TraceCheckUtils]: 30: Hoare triple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 29: Hoare triple {2416#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [118] 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[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 28: Hoare triple {2212#true} [114] __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] {2416#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-07 18:30:37,355 INFO L272 TraceCheckUtils]: 27: Hoare triple {2212#true} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 26: Hoare triple {2212#true} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 25: Hoare triple {2212#true} [126] L46-3-->L46-1: 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] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 24: Hoare triple {2212#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2212#true} {2212#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 22: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 20: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L272 TraceCheckUtils]: 19: Hoare triple {2212#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2212#true} {2212#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 17: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 16: Hoare triple {2212#true} [118] 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[] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 15: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L272 TraceCheckUtils]: 14: Hoare triple {2212#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 13: Hoare triple {2212#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 12: Hoare triple {2212#true} [106] L37-3-->L37-1: 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] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 11: Hoare triple {2212#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2212#true} {2212#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-07 18:30:37,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {2212#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L290 TraceCheckUtils]: 8: Hoare triple {2212#true} [108] 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[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L290 TraceCheckUtils]: 7: Hoare triple {2212#true} [104] 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] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L272 TraceCheckUtils]: 6: Hoare triple {2212#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L290 TraceCheckUtils]: 5: Hoare triple {2212#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L272 TraceCheckUtils]: 4: Hoare triple {2212#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2212#true} {2212#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {2212#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L290 TraceCheckUtils]: 1: Hoare triple {2212#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L272 TraceCheckUtils]: 0: Hoare triple {2212#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-07 18:30:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-07 18:30:37,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:30:37,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173247640] [2022-04-07 18:30:37,358 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:30:37,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353658870] [2022-04-07 18:30:37,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353658870] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-07 18:30:37,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-07 18:30:37,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-07 18:30:37,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499369246] [2022-04-07 18:30:37,358 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-07 18:30:37,358 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 47 [2022-04-07 18:30:37,361 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:30:37,361 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-07 18:30:37,386 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 18:30:37,387 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-07 18:30:37,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:30:37,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-07 18:30:37,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-07 18:30:37,388 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-07 18:30:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:37,661 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-07 18:30:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-07 18:30:37,661 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 47 [2022-04-07 18:30:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:30:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-07 18:30:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-07 18:30:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-07 18:30:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-07 18:30:37,665 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2022-04-07 18:30:37,700 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 18:30:37,702 INFO L225 Difference]: With dead ends: 86 [2022-04-07 18:30:37,702 INFO L226 Difference]: Without dead ends: 86 [2022-04-07 18:30:37,702 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-04-07 18:30:37,702 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 37 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 18:30:37,702 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 98 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 18:30:37,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-04-07 18:30:37,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-04-07 18:30:37,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:30:37,706 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:37,706 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:37,706 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:37,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:37,709 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-07 18:30:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-07 18:30:37,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:37,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:37,710 INFO L74 IsIncluded]: Start isIncluded. First operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 86 states. [2022-04-07 18:30:37,710 INFO L87 Difference]: Start difference. First operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 86 states. [2022-04-07 18:30:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:30:37,714 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-07 18:30:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-07 18:30:37,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:30:37,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:30:37,715 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:30:37,715 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:30:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:30:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-04-07 18:30:37,718 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 47 [2022-04-07 18:30:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:30:37,718 INFO L478 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-04-07 18:30:37,719 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-07 18:30:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-07 18:30:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-07 18:30:37,720 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:30:37,720 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 18:30:37,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-07 18:30:37,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:37,935 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:30:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:30:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1984817020, now seen corresponding path program 1 times [2022-04-07 18:30:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:30:37,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856695011] [2022-04-07 18:30:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:30:37,947 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:30:37,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501075713] [2022-04-07 18:30:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:30:37,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:30:37,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:30:37,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 18:30:37,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-07 18:30:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:37,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-07 18:30:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:30:38,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:30:38,384 INFO L272 TraceCheckUtils]: 0: Hoare triple {2853#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L290 TraceCheckUtils]: 1: Hoare triple {2853#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L290 TraceCheckUtils]: 2: Hoare triple {2853#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2853#true} {2853#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L272 TraceCheckUtils]: 4: Hoare triple {2853#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L290 TraceCheckUtils]: 5: Hoare triple {2853#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2853#true} is VALID [2022-04-07 18:30:38,384 INFO L272 TraceCheckUtils]: 6: Hoare triple {2853#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2853#true} is VALID [2022-04-07 18:30:38,385 INFO L290 TraceCheckUtils]: 7: Hoare triple {2853#true} [104] 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] {2853#true} is VALID [2022-04-07 18:30:38,385 INFO L290 TraceCheckUtils]: 8: Hoare triple {2853#true} [108] 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[] {2853#true} is VALID [2022-04-07 18:30:38,385 INFO L290 TraceCheckUtils]: 9: Hoare triple {2853#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,385 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2853#true} {2853#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2853#true} is VALID [2022-04-07 18:30:38,385 INFO L290 TraceCheckUtils]: 11: Hoare triple {2853#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,386 INFO L290 TraceCheckUtils]: 12: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [106] L37-3-->L37-1: 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] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,386 INFO L290 TraceCheckUtils]: 13: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,386 INFO L272 TraceCheckUtils]: 14: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2853#true} is VALID [2022-04-07 18:30:38,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-07 18:30:38,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {2853#true} [118] 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[] {2853#true} is VALID [2022-04-07 18:30:38,386 INFO L290 TraceCheckUtils]: 17: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,387 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2853#true} {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,387 INFO L272 TraceCheckUtils]: 19: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2853#true} is VALID [2022-04-07 18:30:38,387 INFO L290 TraceCheckUtils]: 20: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-07 18:30:38,387 INFO L290 TraceCheckUtils]: 21: Hoare triple {2853#true} [118] 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[] {2853#true} is VALID [2022-04-07 18:30:38,388 INFO L290 TraceCheckUtils]: 22: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,389 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2853#true} {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,389 INFO L290 TraceCheckUtils]: 24: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,389 INFO L290 TraceCheckUtils]: 25: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [126] L46-3-->L46-1: 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] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,390 INFO L290 TraceCheckUtils]: 26: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,390 INFO L272 TraceCheckUtils]: 27: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2853#true} is VALID [2022-04-07 18:30:38,390 INFO L290 TraceCheckUtils]: 28: Hoare triple {2853#true} [114] __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] {2944#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:38,391 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [118] 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[] {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:38,391 INFO L290 TraceCheckUtils]: 30: Hoare triple {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-07 18:30:38,391 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,392 INFO L272 TraceCheckUtils]: 32: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2853#true} is VALID [2022-04-07 18:30:38,392 INFO L290 TraceCheckUtils]: 33: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-07 18:30:38,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {2853#true} [118] 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[] {2853#true} is VALID [2022-04-07 18:30:38,392 INFO L290 TraceCheckUtils]: 35: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,393 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2853#true} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,393 INFO L272 TraceCheckUtils]: 37: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2853#true} is VALID [2022-04-07 18:30:38,393 INFO L290 TraceCheckUtils]: 38: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-07 18:30:38,393 INFO L290 TraceCheckUtils]: 39: Hoare triple {2853#true} [118] 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[] {2853#true} is VALID [2022-04-07 18:30:38,393 INFO L290 TraceCheckUtils]: 40: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-07 18:30:38,393 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2853#true} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,394 INFO L290 TraceCheckUtils]: 42: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [129] L49-->L46-4: Formula: (not (<= (* v_main_~b~0_6 2) v_main_~r~0_8)) InVars {main_~b~0=v_main_~b~0_6, main_~r~0=v_main_~r~0_8} OutVars{main_~b~0=v_main_~b~0_6, main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {2988#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (not (<= (* main_~b~0 2) main_~r~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-07 18:30:38,395 INFO L290 TraceCheckUtils]: 43: Hoare triple {2988#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (not (<= (* main_~b~0 2) main_~r~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-07 18:30:38,395 INFO L290 TraceCheckUtils]: 44: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [106] L37-3-->L37-1: 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] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-07 18:30:38,396 INFO L290 TraceCheckUtils]: 45: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-07 18:30:38,396 INFO L272 TraceCheckUtils]: 46: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:30:38,397 INFO L290 TraceCheckUtils]: 47: Hoare triple {3002#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:30:38,397 INFO L290 TraceCheckUtils]: 48: Hoare triple {3006#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2854#false} is VALID [2022-04-07 18:30:38,397 INFO L290 TraceCheckUtils]: 49: Hoare triple {2854#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2854#false} is VALID [2022-04-07 18:30:38,397 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-07 18:30:38,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 18:31:21,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:31:21,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856695011] [2022-04-07 18:31:21,069 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:31:21,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501075713] [2022-04-07 18:31:21,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501075713] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-07 18:31:21,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-07 18:31:21,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-07 18:31:21,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890647567] [2022-04-07 18:31:21,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-07 18:31:21,070 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 50 [2022-04-07 18:31:21,070 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:31:21,070 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 18:31:21,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:31:21,100 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-07 18:31:21,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:31:21,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-07 18:31:21,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-04-07 18:31:21,101 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 18:31:21,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:21,701 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2022-04-07 18:31:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-07 18:31:21,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 50 [2022-04-07 18:31:21,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:31:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 18:31:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 92 transitions. [2022-04-07 18:31:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 18:31:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 92 transitions. [2022-04-07 18:31:21,712 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 92 transitions. [2022-04-07 18:31:21,794 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:31:21,796 INFO L225 Difference]: With dead ends: 104 [2022-04-07 18:31:21,796 INFO L226 Difference]: Without dead ends: 93 [2022-04-07 18:31:21,796 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-04-07 18:31:21,796 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-07 18:31:21,797 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 165 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-07 18:31:21,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-07 18:31:21,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-04-07 18:31:21,800 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:31:21,800 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:31:21,800 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:31:21,800 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:31:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:21,802 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-07 18:31:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-07 18:31:21,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:31:21,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:31:21,803 INFO L74 IsIncluded]: Start isIncluded. First operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 93 states. [2022-04-07 18:31:21,803 INFO L87 Difference]: Start difference. First operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 93 states. [2022-04-07 18:31:21,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:21,805 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-07 18:31:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-07 18:31:21,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:31:21,805 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:31:21,805 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:31:21,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:31:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-07 18:31:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2022-04-07 18:31:21,807 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 50 [2022-04-07 18:31:21,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:31:21,807 INFO L478 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2022-04-07 18:31:21,807 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-07 18:31:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2022-04-07 18:31:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-07 18:31:21,808 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 18:31:21,808 INFO L499 BasicCegarLoop]: trace histogram [7, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 18:31:21,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-07 18:31:22,016 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-07 18:31:22,017 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 18:31:22,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 18:31:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1119467195, now seen corresponding path program 1 times [2022-04-07 18:31:22,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 18:31:22,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459166204] [2022-04-07 18:31:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:31:22,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 18:31:22,028 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 18:31:22,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618458839] [2022-04-07 18:31:22,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 18:31:22,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 18:31:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 18:31:22,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 18:31:22,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-07 18:31:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:31:22,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2022-04-07 18:31:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 18:31:22,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 18:31:22,517 INFO L272 TraceCheckUtils]: 0: Hoare triple {3483#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,517 INFO L290 TraceCheckUtils]: 1: Hoare triple {3483#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {3483#true} is VALID [2022-04-07 18:31:22,517 INFO L290 TraceCheckUtils]: 2: Hoare triple {3483#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,517 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3483#true} {3483#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,518 INFO L272 TraceCheckUtils]: 4: Hoare triple {3483#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,518 INFO L290 TraceCheckUtils]: 5: Hoare triple {3483#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,518 INFO L272 TraceCheckUtils]: 6: Hoare triple {3483#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-07 18:31:22,518 INFO L290 TraceCheckUtils]: 7: Hoare triple {3483#true} [104] 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] {3509#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-07 18:31:22,518 INFO L290 TraceCheckUtils]: 8: Hoare triple {3509#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [108] 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[] {3513#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 18:31:22,519 INFO L290 TraceCheckUtils]: 9: Hoare triple {3513#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3513#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-07 18:31:22,519 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3513#(not (= |assume_abort_if_not_#in~cond| 0))} {3483#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3520#(<= 1 main_~y~0)} is VALID [2022-04-07 18:31:22,519 INFO L290 TraceCheckUtils]: 11: Hoare triple {3520#(<= 1 main_~y~0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,520 INFO L290 TraceCheckUtils]: 12: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [106] L37-3-->L37-1: 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] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,520 INFO L272 TraceCheckUtils]: 14: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,520 INFO L290 TraceCheckUtils]: 15: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,520 INFO L290 TraceCheckUtils]: 16: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,520 INFO L290 TraceCheckUtils]: 17: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,521 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3483#true} {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,521 INFO L272 TraceCheckUtils]: 19: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,521 INFO L290 TraceCheckUtils]: 20: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,522 INFO L290 TraceCheckUtils]: 21: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,522 INFO L290 TraceCheckUtils]: 22: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,522 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3483#true} {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,523 INFO L290 TraceCheckUtils]: 24: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,523 INFO L290 TraceCheckUtils]: 25: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [126] L46-3-->L46-1: 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] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,523 INFO L290 TraceCheckUtils]: 26: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,523 INFO L272 TraceCheckUtils]: 27: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,524 INFO L290 TraceCheckUtils]: 28: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,524 INFO L290 TraceCheckUtils]: 29: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,524 INFO L290 TraceCheckUtils]: 30: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,524 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,524 INFO L272 TraceCheckUtils]: 32: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L290 TraceCheckUtils]: 33: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L290 TraceCheckUtils]: 34: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L290 TraceCheckUtils]: 35: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,525 INFO L272 TraceCheckUtils]: 37: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L290 TraceCheckUtils]: 38: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,525 INFO L290 TraceCheckUtils]: 39: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,526 INFO L290 TraceCheckUtils]: 40: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,535 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,536 INFO L290 TraceCheckUtils]: 42: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,536 INFO L272 TraceCheckUtils]: 43: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,537 INFO L290 TraceCheckUtils]: 44: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,537 INFO L290 TraceCheckUtils]: 45: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,537 INFO L290 TraceCheckUtils]: 46: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,538 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [145] __VERIFIER_assertEXIT-->L54-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,538 INFO L290 TraceCheckUtils]: 48: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [131] L54-1-->L46-3: Formula: (and (= v_main_~a~0_7 (* v_main_~a~0_8 2)) (= v_main_~b~0_8 (* v_main_~b~0_9 2))) InVars {main_~b~0=v_main_~b~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~b~0=v_main_~b~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,539 INFO L290 TraceCheckUtils]: 49: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [126] L46-3-->L46-1: 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] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,539 INFO L290 TraceCheckUtils]: 50: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,540 INFO L290 TraceCheckUtils]: 51: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,540 INFO L290 TraceCheckUtils]: 52: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [106] L37-3-->L37-1: 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] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,541 INFO L290 TraceCheckUtils]: 53: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-07 18:31:22,542 INFO L272 TraceCheckUtils]: 54: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:31:22,542 INFO L290 TraceCheckUtils]: 55: Hoare triple {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3661#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:31:22,542 INFO L290 TraceCheckUtils]: 56: Hoare triple {3661#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {3484#false} is VALID [2022-04-07 18:31:22,542 INFO L290 TraceCheckUtils]: 57: Hoare triple {3484#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3484#false} is VALID [2022-04-07 18:31:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-07 18:31:22,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-07 18:31:22,843 INFO L290 TraceCheckUtils]: 57: Hoare triple {3484#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3484#false} is VALID [2022-04-07 18:31:22,843 INFO L290 TraceCheckUtils]: 56: Hoare triple {3661#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {3484#false} is VALID [2022-04-07 18:31:22,844 INFO L290 TraceCheckUtils]: 55: Hoare triple {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3661#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 18:31:22,844 INFO L272 TraceCheckUtils]: 54: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 18:31:22,845 INFO L290 TraceCheckUtils]: 53: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,845 INFO L290 TraceCheckUtils]: 52: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [106] L37-3-->L37-1: 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] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,852 INFO L290 TraceCheckUtils]: 51: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,853 INFO L290 TraceCheckUtils]: 50: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-07 18:31:22,853 INFO L290 TraceCheckUtils]: 49: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [126] L46-3-->L46-1: 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] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-07 18:31:22,855 INFO L290 TraceCheckUtils]: 48: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [131] L54-1-->L46-3: Formula: (and (= v_main_~a~0_7 (* v_main_~a~0_8 2)) (= v_main_~b~0_8 (* v_main_~b~0_9 2))) InVars {main_~b~0=v_main_~b~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~b~0=v_main_~b~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-07 18:31:22,856 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [145] __VERIFIER_assertEXIT-->L54-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,856 INFO L290 TraceCheckUtils]: 46: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,856 INFO L290 TraceCheckUtils]: 45: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,856 INFO L290 TraceCheckUtils]: 44: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,856 INFO L272 TraceCheckUtils]: 43: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,857 INFO L290 TraceCheckUtils]: 42: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,857 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,857 INFO L290 TraceCheckUtils]: 40: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,857 INFO L290 TraceCheckUtils]: 39: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L290 TraceCheckUtils]: 38: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L272 TraceCheckUtils]: 37: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,858 INFO L290 TraceCheckUtils]: 35: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L290 TraceCheckUtils]: 34: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L290 TraceCheckUtils]: 33: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,858 INFO L272 TraceCheckUtils]: 32: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,859 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,859 INFO L290 TraceCheckUtils]: 30: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,859 INFO L290 TraceCheckUtils]: 29: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,859 INFO L290 TraceCheckUtils]: 28: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,859 INFO L272 TraceCheckUtils]: 27: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,860 INFO L290 TraceCheckUtils]: 26: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,860 INFO L290 TraceCheckUtils]: 25: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [126] L46-3-->L46-1: 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] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,860 INFO L290 TraceCheckUtils]: 24: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,861 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3483#true} {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,861 INFO L290 TraceCheckUtils]: 22: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,861 INFO L290 TraceCheckUtils]: 21: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,861 INFO L290 TraceCheckUtils]: 20: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,861 INFO L272 TraceCheckUtils]: 19: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-07 18:31:22,862 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3483#true} {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,862 INFO L290 TraceCheckUtils]: 17: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,862 INFO L290 TraceCheckUtils]: 16: Hoare triple {3483#true} [118] 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[] {3483#true} is VALID [2022-04-07 18:31:22,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-07 18:31:22,862 INFO L272 TraceCheckUtils]: 14: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,862 INFO L290 TraceCheckUtils]: 13: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,862 INFO L290 TraceCheckUtils]: 12: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [106] L37-3-->L37-1: 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] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {3483#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-07 18:31:22,863 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3483#true} {3483#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {3483#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {3483#true} [108] 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[] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 7: Hoare triple {3483#true} [104] 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] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L272 TraceCheckUtils]: 6: Hoare triple {3483#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 5: Hoare triple {3483#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~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_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L272 TraceCheckUtils]: 4: Hoare triple {3483#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3483#true} {3483#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {3483#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,863 INFO L290 TraceCheckUtils]: 1: Hoare triple {3483#true} [98] 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| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (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] {3483#true} is VALID [2022-04-07 18:31:22,864 INFO L272 TraceCheckUtils]: 0: Hoare triple {3483#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-07 18:31:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-07 18:31:22,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 18:31:22,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459166204] [2022-04-07 18:31:22,864 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 18:31:22,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618458839] [2022-04-07 18:31:22,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618458839] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-07 18:31:22,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-07 18:31:22,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2022-04-07 18:31:22,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311706084] [2022-04-07 18:31:22,864 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-07 18:31:22,865 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 58 [2022-04-07 18:31:22,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 18:31:22,865 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-07 18:31:22,941 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:31:22,942 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-07 18:31:22,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 18:31:22,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-07 18:31:22,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-04-07 18:31:22,943 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-07 18:31:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:24,943 INFO L93 Difference]: Finished difference Result 126 states and 167 transitions. [2022-04-07 18:31:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-07 18:31:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 58 [2022-04-07 18:31:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 18:31:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-07 18:31:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 118 transitions. [2022-04-07 18:31:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-07 18:31:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 118 transitions. [2022-04-07 18:31:24,948 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 118 transitions. [2022-04-07 18:31:25,063 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 18:31:25,064 INFO L225 Difference]: With dead ends: 126 [2022-04-07 18:31:25,064 INFO L226 Difference]: Without dead ends: 0 [2022-04-07 18:31:25,064 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-04-07 18:31:25,073 INFO L913 BasicCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-07 18:31:25,073 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 268 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-07 18:31:25,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-07 18:31:25,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-07 18:31:25,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 18:31:25,074 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 18:31:25,074 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 18:31:25,074 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 18:31:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:25,074 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-07 18:31:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 18:31:25,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:31:25,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:31:25,074 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-07 18:31:25,074 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-07 18:31:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 18:31:25,074 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-07 18:31:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 18:31:25,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:31:25,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 18:31:25,074 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 18:31:25,074 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 18:31:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 18:31:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-07 18:31:25,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2022-04-07 18:31:25,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 18:31:25,075 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-07 18:31:25,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-07 18:31:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 18:31:25,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 18:31:25,077 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-07 18:31:25,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-07 18:31:25,279 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-07 18:31:25,282 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 18:31:25,283 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-07 18:31:25,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 06:31:25 BasicIcfg [2022-04-07 18:31:25,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-07 18:31:25,285 INFO L158 Benchmark]: Toolchain (without parser) took 57800.49ms. Allocated memory was 191.9MB in the beginning and 275.8MB in the end (delta: 83.9MB). Free memory was 138.1MB in the beginning and 110.5MB in the end (delta: 27.6MB). Peak memory consumption was 111.5MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,285 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-07 18:31:25,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.29ms. Allocated memory is still 191.9MB. Free memory was 138.0MB in the beginning and 162.0MB in the end (delta: -24.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,285 INFO L158 Benchmark]: Boogie Preprocessor took 34.74ms. Allocated memory is still 191.9MB. Free memory was 162.0MB in the beginning and 160.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,285 INFO L158 Benchmark]: RCFGBuilder took 301.35ms. Allocated memory is still 191.9MB. Free memory was 160.6MB in the beginning and 148.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,286 INFO L158 Benchmark]: IcfgTransformer took 27.03ms. Allocated memory is still 191.9MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,286 INFO L158 Benchmark]: TraceAbstraction took 57208.09ms. Allocated memory was 191.9MB in the beginning and 275.8MB in the end (delta: 83.9MB). Free memory was 146.3MB in the beginning and 110.6MB in the end (delta: 35.6MB). Peak memory consumption was 119.3MB. Max. memory is 8.0GB. [2022-04-07 18:31:25,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.29ms. Allocated memory is still 191.9MB. Free memory was 138.0MB in the beginning and 162.0MB in the end (delta: -24.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.74ms. Allocated memory is still 191.9MB. Free memory was 162.0MB in the beginning and 160.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 301.35ms. Allocated memory is still 191.9MB. Free memory was 160.6MB in the beginning and 148.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 27.03ms. Allocated memory is still 191.9MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 57208.09ms. Allocated memory was 191.9MB in the beginning and 275.8MB in the end (delta: 83.9MB). Free memory was 146.3MB in the beginning and 110.6MB in the end (delta: 35.6MB). Peak memory consumption was 119.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.2s, OverallIterations: 10, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 215 mSDsluCounter, 1397 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 996 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1113 IncrementalHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 401 mSDtfsCounter, 1113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 390 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 49.5s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1364 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1098 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/356 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-07 18:31:25,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...