/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/mannadiv_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-14 22:44:25,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-14 22:44:25,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-14 22:44:25,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-14 22:44:25,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-14 22:44:25,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-14 22:44:25,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-14 22:44:25,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-14 22:44:25,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-14 22:44:25,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-14 22:44:25,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-14 22:44:25,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-14 22:44:25,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-14 22:44:25,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-14 22:44:25,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-14 22:44:25,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-14 22:44:25,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-14 22:44:25,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-14 22:44:25,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-14 22:44:25,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-14 22:44:25,604 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-14 22:44:25,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-14 22:44:25,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-14 22:44:25,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-14 22:44:25,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-14 22:44:25,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-14 22:44:25,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-14 22:44:25,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-14 22:44:25,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-14 22:44:25,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-14 22:44:25,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-14 22:44:25,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-14 22:44:25,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-14 22:44:25,627 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-14 22:44:25,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-14 22:44:25,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-14 22:44:25,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-14 22:44:25,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-14 22:44:25,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-14 22:44:25,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-14 22:44:25,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-14 22:44:25,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-14 22:44:25,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 22:44:25,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-14 22:44:25,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-14 22:44:25,629 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-14 22:44:25,630 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-14 22:44:25,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-14 22:44:25,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-14 22:44:25,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-14 22:44:25,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-14 22:44:25,817 INFO L275 PluginConnector]: CDTParser initialized [2022-04-14 22:44:25,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-04-14 22:44:25,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7db8be0/ba5aec23e11243b5bad5f2fbcfb201d9/FLAG354330d98 [2022-04-14 22:44:26,196 INFO L306 CDTParser]: Found 1 translation units. [2022-04-14 22:44:26,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-04-14 22:44:26,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7db8be0/ba5aec23e11243b5bad5f2fbcfb201d9/FLAG354330d98 [2022-04-14 22:44:26,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7db8be0/ba5aec23e11243b5bad5f2fbcfb201d9 [2022-04-14 22:44:26,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-14 22:44:26,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-14 22:44:26,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-14 22:44:26,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-14 22:44:26,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-14 22:44:26,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767f8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26, skipping insertion in model container [2022-04-14 22:44:26,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-14 22:44:26,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-14 22:44:26,757 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/mannadiv_unwindbound5.c[573,586] [2022-04-14 22:44:26,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 22:44:26,784 INFO L203 MainTranslator]: Completed pre-run [2022-04-14 22:44:26,792 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/mannadiv_unwindbound5.c[573,586] [2022-04-14 22:44:26,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 22:44:26,803 INFO L208 MainTranslator]: Completed translation [2022-04-14 22:44:26,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26 WrapperNode [2022-04-14 22:44:26,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-14 22:44:26,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-14 22:44:26,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-14 22:44:26,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-14 22:44:26,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-14 22:44:26,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-14 22:44:26,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-14 22:44:26,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-14 22:44:26,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (1/1) ... [2022-04-14 22:44:26,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 22:44:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:26,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-14 22:44:26,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-14 22:44:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-14 22:44:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-14 22:44:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-14 22:44:26,955 INFO L234 CfgBuilder]: Building ICFG [2022-04-14 22:44:26,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-14 22:44:27,098 INFO L275 CfgBuilder]: Performing block encoding [2022-04-14 22:44:27,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-14 22:44:27,114 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-14 22:44:27,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:44:27 BoogieIcfgContainer [2022-04-14 22:44:27,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-14 22:44:27,116 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-14 22:44:27,116 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-14 22:44:27,117 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-14 22:44:27,118 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:44:27" (1/1) ... [2022-04-14 22:44:27,120 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-14 22:44:27,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 10:44:27 BasicIcfg [2022-04-14 22:44:27,151 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-14 22:44:27,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-14 22:44:27,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-14 22:44:27,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-14 22:44:27,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 10:44:26" (1/4) ... [2022-04-14 22:44:27,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53763120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:44:27, skipping insertion in model container [2022-04-14 22:44:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:44:26" (2/4) ... [2022-04-14 22:44:27,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53763120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:44:27, skipping insertion in model container [2022-04-14 22:44:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:44:27" (3/4) ... [2022-04-14 22:44:27,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53763120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 10:44:27, skipping insertion in model container [2022-04-14 22:44:27,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 10:44:27" (4/4) ... [2022-04-14 22:44:27,156 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound5.cJordan [2022-04-14 22:44:27,159 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-14 22:44:27,159 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-14 22:44:27,213 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-14 22:44:27,217 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-14 22:44:27,217 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-14 22:44:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-14 22:44:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-14 22:44:27,249 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:27,249 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:27,250 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:27,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash 734203501, now seen corresponding path program 1 times [2022-04-14 22:44:27,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:27,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729333818] [2022-04-14 22:44:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-14 22:44:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,430 INFO L290 TraceCheckUtils]: 0: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {33#true} is VALID [2022-04-14 22:44:27,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 22:44:27,431 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 22:44:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-14 22:44:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,441 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 22:44:27,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,442 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {33#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 22:44:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-14 22:44:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,447 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 22:44:27,447 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,447 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,447 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {34#false} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 22:44:27,448 INFO L272 TraceCheckUtils]: 0: Hoare triple {33#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-14 22:44:27,449 INFO L290 TraceCheckUtils]: 1: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {33#true} is VALID [2022-04-14 22:44:27,449 INFO L290 TraceCheckUtils]: 2: Hoare triple {33#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 22:44:27,449 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 22:44:27,449 INFO L272 TraceCheckUtils]: 4: Hoare triple {33#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 22:44:27,449 INFO L290 TraceCheckUtils]: 5: Hoare triple {33#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {33#true} is VALID [2022-04-14 22:44:27,449 INFO L272 TraceCheckUtils]: 6: Hoare triple {33#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-14 22:44:27,450 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 22:44:27,450 INFO L290 TraceCheckUtils]: 8: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,450 INFO L290 TraceCheckUtils]: 9: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,450 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {34#false} {33#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 22:44:27,451 INFO L272 TraceCheckUtils]: 11: Hoare triple {34#false} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-14 22:44:27,451 INFO L290 TraceCheckUtils]: 12: Hoare triple {33#true} [78] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 22:44:27,451 INFO L290 TraceCheckUtils]: 13: Hoare triple {33#true} [80] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,451 INFO L290 TraceCheckUtils]: 14: Hoare triple {34#false} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,451 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {34#false} {34#false} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 22:44:27,452 INFO L290 TraceCheckUtils]: 16: Hoare triple {34#false} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {34#false} is VALID [2022-04-14 22:44:27,452 INFO L290 TraceCheckUtils]: 17: Hoare triple {34#false} [82] L41-2-->L36-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,452 INFO L272 TraceCheckUtils]: 18: Hoare triple {34#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {34#false} is VALID [2022-04-14 22:44:27,452 INFO L290 TraceCheckUtils]: 19: Hoare triple {34#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {34#false} is VALID [2022-04-14 22:44:27,452 INFO L290 TraceCheckUtils]: 20: Hoare triple {34#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,453 INFO L290 TraceCheckUtils]: 21: Hoare triple {34#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 22:44:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:27,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:27,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729333818] [2022-04-14 22:44:27,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729333818] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 22:44:27,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 22:44:27,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-14 22:44:27,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122332590] [2022-04-14 22:44:27,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 22:44:27,463 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-14 22:44:27,464 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:27,466 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,492 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:27,492 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-14 22:44:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:27,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-14 22:44:27,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 22:44:27,509 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:27,608 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-14 22:44:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-14 22:44:27,609 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-14 22:44:27,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:27,610 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2022-04-14 22:44:27,615 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2022-04-14 22:44:27,617 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 39 transitions. [2022-04-14 22:44:27,650 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:27,655 INFO L225 Difference]: With dead ends: 31 [2022-04-14 22:44:27,655 INFO L226 Difference]: Without dead ends: 26 [2022-04-14 22:44:27,656 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 22:44:27,658 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 35 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 [2022-04-14 22:44:27,659 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 35 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 22:44:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-14 22:44:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-04-14 22:44:27,676 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:27,676 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:27,677 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:27,677 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:27,680 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-14 22:44:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-14 22:44:27,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:27,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:27,681 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-14 22:44:27,681 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-14 22:44:27,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:27,683 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-14 22:44:27,683 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-14 22:44:27,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:27,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:27,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:27,684 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-04-14 22:44:27,686 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2022-04-14 22:44:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:27,687 INFO L478 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-04-14 22:44:27,687 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, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-14 22:44:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-14 22:44:27,688 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:27,688 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:27,688 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-14 22:44:27,688 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:27,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1669026344, now seen corresponding path program 1 times [2022-04-14 22:44:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:27,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569544488] [2022-04-14 22:44:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:27,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:27,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697815166] [2022-04-14 22:44:27,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:27,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:27,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:27,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-14 22:44:27,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-14 22:44:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-14 22:44:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:27,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:44:27,911 INFO L272 TraceCheckUtils]: 0: Hoare triple {157#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 22:44:27,912 INFO L290 TraceCheckUtils]: 1: Hoare triple {157#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,913 INFO L290 TraceCheckUtils]: 2: Hoare triple {165#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,913 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {165#(<= ~counter~0 0)} {157#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,914 INFO L272 TraceCheckUtils]: 4: Hoare triple {165#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,914 INFO L290 TraceCheckUtils]: 5: Hoare triple {165#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,918 INFO L272 TraceCheckUtils]: 6: Hoare triple {165#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,918 INFO L290 TraceCheckUtils]: 7: Hoare triple {165#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,918 INFO L290 TraceCheckUtils]: 8: Hoare triple {165#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,919 INFO L290 TraceCheckUtils]: 9: Hoare triple {165#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,919 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {165#(<= ~counter~0 0)} {165#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,921 INFO L272 TraceCheckUtils]: 11: Hoare triple {165#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,921 INFO L290 TraceCheckUtils]: 12: Hoare triple {165#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,922 INFO L290 TraceCheckUtils]: 13: Hoare triple {165#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {165#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,923 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {165#(<= ~counter~0 0)} {165#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,924 INFO L290 TraceCheckUtils]: 16: Hoare triple {165#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {165#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:27,926 INFO L290 TraceCheckUtils]: 17: Hoare triple {165#(<= ~counter~0 0)} [83] L41-2-->L36-1: 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] {214#(<= |main_#t~post6| 0)} is VALID [2022-04-14 22:44:27,927 INFO L290 TraceCheckUtils]: 18: Hoare triple {214#(<= |main_#t~post6| 0)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {158#false} is VALID [2022-04-14 22:44:27,927 INFO L272 TraceCheckUtils]: 19: Hoare triple {158#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {158#false} is VALID [2022-04-14 22:44:27,927 INFO L290 TraceCheckUtils]: 20: Hoare triple {158#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {158#false} is VALID [2022-04-14 22:44:27,927 INFO L290 TraceCheckUtils]: 21: Hoare triple {158#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {158#false} is VALID [2022-04-14 22:44:27,927 INFO L290 TraceCheckUtils]: 22: Hoare triple {158#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {158#false} is VALID [2022-04-14 22:44:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:27,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 22:44:27,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:27,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569544488] [2022-04-14 22:44:27,928 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:44:27,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697815166] [2022-04-14 22:44:27,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697815166] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 22:44:27,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 22:44:27,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-14 22:44:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40355825] [2022-04-14 22:44:27,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 22:44:27,930 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-14 22:44:27,930 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:27,931 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:27,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:27,958 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-14 22:44:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:27,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-14 22:44:27,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-14 22:44:27,959 INFO L87 Difference]: Start difference. First operand 25 states and 29 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:28,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,001 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-14 22:44:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-14 22:44:28,001 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-14 22:44:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:28,002 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-14 22:44:28,003 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-14 22:44:28,005 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 32 transitions. [2022-04-14 22:44:28,025 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:28,026 INFO L225 Difference]: With dead ends: 27 [2022-04-14 22:44:28,026 INFO L226 Difference]: Without dead ends: 27 [2022-04-14 22:44:28,027 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-14 22:44:28,028 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 22:44:28,028 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 22:44:28,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-14 22:44:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-14 22:44:28,030 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:28,031 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:28,031 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:28,031 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:28,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,033 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-14 22:44:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-14 22:44:28,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:28,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:28,034 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-14 22:44:28,034 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-14 22:44:28,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,036 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-14 22:44:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-14 22:44:28,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:28,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:28,036 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:28,036 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-14 22:44:28,038 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2022-04-14 22:44:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:28,038 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-14 22:44:28,038 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 22:44:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-14 22:44:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-14 22:44:28,039 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:28,039 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:28,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-14 22:44:28,254 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:28,254 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:28,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:28,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1667953868, now seen corresponding path program 1 times [2022-04-14 22:44:28,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:28,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060281254] [2022-04-14 22:44:28,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:28,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:28,267 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:28,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810777727] [2022-04-14 22:44:28,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:28,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:28,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:28,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-14 22:44:28,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-14 22:44:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:28,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-14 22:44:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:44:28,472 INFO L272 TraceCheckUtils]: 0: Hoare triple {337#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L290 TraceCheckUtils]: 1: Hoare triple {337#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L290 TraceCheckUtils]: 2: Hoare triple {337#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {337#true} {337#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L272 TraceCheckUtils]: 4: Hoare triple {337#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {337#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L272 TraceCheckUtils]: 6: Hoare triple {337#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-14 22:44:28,473 INFO L290 TraceCheckUtils]: 7: Hoare triple {337#true} [78] assume_abort_if_notENTRY-->L13: 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] {337#true} is VALID [2022-04-14 22:44:28,474 INFO L290 TraceCheckUtils]: 8: Hoare triple {337#true} [81] L13-->L13-2: 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[] {337#true} is VALID [2022-04-14 22:44:28,474 INFO L290 TraceCheckUtils]: 9: Hoare triple {337#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#true} is VALID [2022-04-14 22:44:28,474 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {337#true} {337#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-14 22:44:28,474 INFO L272 TraceCheckUtils]: 11: Hoare triple {337#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {337#true} is VALID [2022-04-14 22:44:28,475 INFO L290 TraceCheckUtils]: 12: Hoare triple {337#true} [78] assume_abort_if_notENTRY-->L13: 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] {378#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-14 22:44:28,475 INFO L290 TraceCheckUtils]: 13: Hoare triple {378#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [81] L13-->L13-2: 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[] {382#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-14 22:44:28,475 INFO L290 TraceCheckUtils]: 14: Hoare triple {382#(not (= |assume_abort_if_not_#in~cond| 0))} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-14 22:44:28,476 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {382#(not (= |assume_abort_if_not_#in~cond| 0))} {337#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {389#(not (= main_~x2~0 0))} is VALID [2022-04-14 22:44:28,476 INFO L290 TraceCheckUtils]: 16: Hoare triple {389#(not (= main_~x2~0 0))} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-14 22:44:28,477 INFO L290 TraceCheckUtils]: 17: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [83] L41-2-->L36-1: 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] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-14 22:44:28,477 INFO L290 TraceCheckUtils]: 18: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-14 22:44:28,478 INFO L272 TraceCheckUtils]: 19: Hoare triple {393#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {403#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 22:44:28,479 INFO L290 TraceCheckUtils]: 20: Hoare triple {403#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {407#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 22:44:28,479 INFO L290 TraceCheckUtils]: 21: Hoare triple {407#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {338#false} is VALID [2022-04-14 22:44:28,479 INFO L290 TraceCheckUtils]: 22: Hoare triple {338#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {338#false} is VALID [2022-04-14 22:44:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-14 22:44:28,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 22:44:28,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:28,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060281254] [2022-04-14 22:44:28,480 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:44:28,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810777727] [2022-04-14 22:44:28,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810777727] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 22:44:28,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 22:44:28,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-14 22:44:28,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236383279] [2022-04-14 22:44:28,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 22:44:28,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-14 22:44:28,481 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:28,481 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 22:44:28,496 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:28,496 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-14 22:44:28,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:28,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-14 22:44:28,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-14 22:44:28,496 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 22:44:28,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,661 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-14 22:44:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-14 22:44:28,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-14 22:44:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 22:44:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2022-04-14 22:44:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 22:44:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 42 transitions. [2022-04-14 22:44:28,664 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 42 transitions. [2022-04-14 22:44:28,696 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:28,697 INFO L225 Difference]: With dead ends: 35 [2022-04-14 22:44:28,697 INFO L226 Difference]: Without dead ends: 35 [2022-04-14 22:44:28,697 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-14 22:44:28,698 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-14 22:44:28,698 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 98 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-14 22:44:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-14 22:44:28,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-04-14 22:44:28,701 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:28,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 22:44:28,701 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 22:44:28,701 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 22:44:28,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,703 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-14 22:44:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-14 22:44:28,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:28,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:28,704 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-14 22:44:28,704 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-14 22:44:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:28,705 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-14 22:44:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-14 22:44:28,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:28,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:28,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:28,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 22:44:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-14 22:44:28,707 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2022-04-14 22:44:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:28,707 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-14 22:44:28,707 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 22:44:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-14 22:44:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-14 22:44:28,708 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:28,708 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:28,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-14 22:44:28,923 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 [2022-04-14 22:44:28,924 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:28,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:28,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1179905874, now seen corresponding path program 1 times [2022-04-14 22:44:28,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:28,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9872882] [2022-04-14 22:44:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:28,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:28,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007552433] [2022-04-14 22:44:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:28,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:28,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:28,939 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) [2022-04-14 22:44:28,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-14 22:44:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:28,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-14 22:44:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:28,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:44:29,115 INFO L272 TraceCheckUtils]: 0: Hoare triple {554#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L290 TraceCheckUtils]: 1: Hoare triple {554#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L290 TraceCheckUtils]: 2: Hoare triple {554#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {554#true} {554#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L272 TraceCheckUtils]: 4: Hoare triple {554#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L290 TraceCheckUtils]: 5: Hoare triple {554#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L272 TraceCheckUtils]: 6: Hoare triple {554#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L290 TraceCheckUtils]: 7: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: 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] {554#true} is VALID [2022-04-14 22:44:29,116 INFO L290 TraceCheckUtils]: 8: Hoare triple {554#true} [81] L13-->L13-2: 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[] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 9: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {554#true} {554#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L272 TraceCheckUtils]: 11: Hoare triple {554#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: 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] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 13: Hoare triple {554#true} [81] L13-->L13-2: 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[] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {554#true} {554#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 16: Hoare triple {554#true} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {554#true} is VALID [2022-04-14 22:44:29,117 INFO L290 TraceCheckUtils]: 17: Hoare triple {554#true} [83] L41-2-->L36-1: 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] {554#true} is VALID [2022-04-14 22:44:29,118 INFO L290 TraceCheckUtils]: 18: Hoare triple {554#true} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {554#true} is VALID [2022-04-14 22:44:29,118 INFO L272 TraceCheckUtils]: 19: Hoare triple {554#true} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-14 22:44:29,118 INFO L290 TraceCheckUtils]: 20: Hoare triple {554#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {619#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-14 22:44:29,118 INFO L290 TraceCheckUtils]: 21: Hoare triple {619#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [93] L16-->L16-2: Formula: (not (= 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[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 22:44:29,119 INFO L290 TraceCheckUtils]: 22: Hoare triple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 22:44:29,119 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} {554#true} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {630#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} is VALID [2022-04-14 22:44:29,121 INFO L290 TraceCheckUtils]: 24: Hoare triple {630#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} [94] L37-1-->L36-3: Formula: (= v_main_~y3~0_8 0) InVars {main_~y3~0=v_main_~y3~0_8} OutVars{main_~y3~0=v_main_~y3~0_8} AuxVars[] AssignedVars[] {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-14 22:44:29,122 INFO L272 TraceCheckUtils]: 25: Hoare triple {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {638#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 22:44:29,122 INFO L290 TraceCheckUtils]: 26: Hoare triple {638#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {642#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 22:44:29,123 INFO L290 TraceCheckUtils]: 27: Hoare triple {642#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-14 22:44:29,123 INFO L290 TraceCheckUtils]: 28: Hoare triple {555#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-14 22:44:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:29,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-14 22:44:35,605 INFO L290 TraceCheckUtils]: 28: Hoare triple {555#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-14 22:44:35,608 INFO L290 TraceCheckUtils]: 27: Hoare triple {642#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {555#false} is VALID [2022-04-14 22:44:35,609 INFO L290 TraceCheckUtils]: 26: Hoare triple {638#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {642#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 22:44:35,610 INFO L272 TraceCheckUtils]: 25: Hoare triple {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {638#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 22:44:35,611 INFO L290 TraceCheckUtils]: 24: Hoare triple {661#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} [94] L37-1-->L36-3: Formula: (= v_main_~y3~0_8 0) InVars {main_~y3~0=v_main_~y3~0_8} OutVars{main_~y3~0=v_main_~y3~0_8} AuxVars[] AssignedVars[] {634#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-14 22:44:35,612 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} {554#true} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {661#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} is VALID [2022-04-14 22:44:35,612 INFO L290 TraceCheckUtils]: 22: Hoare triple {623#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 22:44:35,613 INFO L290 TraceCheckUtils]: 21: Hoare triple {674#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [93] L16-->L16-2: Formula: (not (= 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[] {623#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 22:44:35,615 INFO L290 TraceCheckUtils]: 20: Hoare triple {554#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {674#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-14 22:44:35,616 INFO L272 TraceCheckUtils]: 19: Hoare triple {554#true} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-14 22:44:35,616 INFO L290 TraceCheckUtils]: 18: Hoare triple {554#true} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {554#true} is VALID [2022-04-14 22:44:35,617 INFO L290 TraceCheckUtils]: 17: Hoare triple {554#true} [83] L41-2-->L36-1: 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] {554#true} is VALID [2022-04-14 22:44:35,617 INFO L290 TraceCheckUtils]: 16: Hoare triple {554#true} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {554#true} is VALID [2022-04-14 22:44:35,618 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {554#true} {554#true} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:35,624 INFO L290 TraceCheckUtils]: 14: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,624 INFO L290 TraceCheckUtils]: 13: Hoare triple {554#true} [81] L13-->L13-2: 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[] {554#true} is VALID [2022-04-14 22:44:35,624 INFO L290 TraceCheckUtils]: 12: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: 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] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L272 TraceCheckUtils]: 11: Hoare triple {554#true} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {554#true} {554#true} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L290 TraceCheckUtils]: 9: Hoare triple {554#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L290 TraceCheckUtils]: 8: Hoare triple {554#true} [81] L13-->L13-2: 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[] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L290 TraceCheckUtils]: 7: Hoare triple {554#true} [78] assume_abort_if_notENTRY-->L13: 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] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L272 TraceCheckUtils]: 6: Hoare triple {554#true} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L290 TraceCheckUtils]: 5: Hoare triple {554#true} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {554#true} is VALID [2022-04-14 22:44:35,625 INFO L272 TraceCheckUtils]: 4: Hoare triple {554#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,626 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {554#true} {554#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,626 INFO L290 TraceCheckUtils]: 2: Hoare triple {554#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,626 INFO L290 TraceCheckUtils]: 1: Hoare triple {554#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {554#true} is VALID [2022-04-14 22:44:35,626 INFO L272 TraceCheckUtils]: 0: Hoare triple {554#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {554#true} is VALID [2022-04-14 22:44:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:35,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:35,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9872882] [2022-04-14 22:44:35,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:44:35,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007552433] [2022-04-14 22:44:35,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007552433] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-14 22:44:35,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-14 22:44:35,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-14 22:44:35,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516487111] [2022-04-14 22:44:35,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-14 22:44:35,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-14 22:44:35,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:35,628 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-14 22:44:35,652 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:35,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-14 22:44:35,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:35,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-14 22:44:35,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-14 22:44:35,654 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-14 22:44:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:35,845 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-04-14 22:44:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-14 22:44:35,846 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-14 22:44:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-14 22:44:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. [2022-04-14 22:44:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-14 22:44:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 34 transitions. [2022-04-14 22:44:35,848 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 34 transitions. [2022-04-14 22:44:35,876 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:35,877 INFO L225 Difference]: With dead ends: 37 [2022-04-14 22:44:35,877 INFO L226 Difference]: Without dead ends: 34 [2022-04-14 22:44:35,878 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-04-14 22:44:35,879 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 21 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 22:44:35,881 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 115 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 22:44:35,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-14 22:44:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2022-04-14 22:44:35,883 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:35,883 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:35,883 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:35,883 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:35,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:35,884 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-14 22:44:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-14 22:44:35,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:35,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:35,885 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-14 22:44:35,885 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-14 22:44:35,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:35,888 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-14 22:44:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-14 22:44:35,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:35,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:35,889 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:35,889 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 22:44:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-04-14 22:44:35,890 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2022-04-14 22:44:35,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:35,891 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-04-14 22:44:35,892 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-14 22:44:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-04-14 22:44:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-14 22:44:35,892 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:35,893 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 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] [2022-04-14 22:44:35,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-14 22:44:36,107 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 [2022-04-14 22:44:36,108 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:36,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:36,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1668946595, now seen corresponding path program 1 times [2022-04-14 22:44:36,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:36,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84991819] [2022-04-14 22:44:36,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:36,122 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313811896] [2022-04-14 22:44:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:36,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:36,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:36,139 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) [2022-04-14 22:44:36,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-14 22:44:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:36,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-14 22:44:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:36,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:44:36,390 INFO L272 TraceCheckUtils]: 0: Hoare triple {877#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-14 22:44:36,391 INFO L290 TraceCheckUtils]: 1: Hoare triple {877#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,391 INFO L290 TraceCheckUtils]: 2: Hoare triple {885#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,392 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {885#(<= ~counter~0 0)} {877#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,392 INFO L272 TraceCheckUtils]: 4: Hoare triple {885#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,393 INFO L290 TraceCheckUtils]: 5: Hoare triple {885#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,393 INFO L272 TraceCheckUtils]: 6: Hoare triple {885#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,394 INFO L290 TraceCheckUtils]: 7: Hoare triple {885#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,394 INFO L290 TraceCheckUtils]: 8: Hoare triple {885#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,395 INFO L290 TraceCheckUtils]: 9: Hoare triple {885#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,395 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {885#(<= ~counter~0 0)} {885#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,395 INFO L272 TraceCheckUtils]: 11: Hoare triple {885#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,396 INFO L290 TraceCheckUtils]: 12: Hoare triple {885#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,396 INFO L290 TraceCheckUtils]: 13: Hoare triple {885#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,396 INFO L290 TraceCheckUtils]: 14: Hoare triple {885#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,397 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {885#(<= ~counter~0 0)} {885#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,397 INFO L290 TraceCheckUtils]: 16: Hoare triple {885#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {885#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:36,398 INFO L290 TraceCheckUtils]: 17: Hoare triple {885#(<= ~counter~0 0)} [83] L41-2-->L36-1: 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] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,398 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,399 INFO L272 TraceCheckUtils]: 19: Hoare triple {934#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,399 INFO L290 TraceCheckUtils]: 20: Hoare triple {934#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,399 INFO L290 TraceCheckUtils]: 21: Hoare triple {934#(<= ~counter~0 1)} [93] L16-->L16-2: Formula: (not (= 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[] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,399 INFO L290 TraceCheckUtils]: 22: Hoare triple {934#(<= ~counter~0 1)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,400 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {934#(<= ~counter~0 1)} {934#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,400 INFO L290 TraceCheckUtils]: 24: Hoare triple {934#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,401 INFO L290 TraceCheckUtils]: 25: Hoare triple {934#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {934#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:36,401 INFO L290 TraceCheckUtils]: 26: Hoare triple {934#(<= ~counter~0 1)} [83] L41-2-->L36-1: 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] {962#(<= |main_#t~post6| 1)} is VALID [2022-04-14 22:44:36,402 INFO L290 TraceCheckUtils]: 27: Hoare triple {962#(<= |main_#t~post6| 1)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {878#false} is VALID [2022-04-14 22:44:36,402 INFO L272 TraceCheckUtils]: 28: Hoare triple {878#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {878#false} is VALID [2022-04-14 22:44:36,402 INFO L290 TraceCheckUtils]: 29: Hoare triple {878#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {878#false} is VALID [2022-04-14 22:44:36,402 INFO L290 TraceCheckUtils]: 30: Hoare triple {878#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-14 22:44:36,402 INFO L290 TraceCheckUtils]: 31: Hoare triple {878#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-14 22:44:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:36,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-14 22:44:36,554 INFO L290 TraceCheckUtils]: 31: Hoare triple {878#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-14 22:44:36,555 INFO L290 TraceCheckUtils]: 30: Hoare triple {878#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {878#false} is VALID [2022-04-14 22:44:36,555 INFO L290 TraceCheckUtils]: 29: Hoare triple {878#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {878#false} is VALID [2022-04-14 22:44:36,555 INFO L272 TraceCheckUtils]: 28: Hoare triple {878#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {878#false} is VALID [2022-04-14 22:44:36,555 INFO L290 TraceCheckUtils]: 27: Hoare triple {990#(< |main_#t~post6| 5)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {878#false} is VALID [2022-04-14 22:44:36,555 INFO L290 TraceCheckUtils]: 26: Hoare triple {994#(< ~counter~0 5)} [83] L41-2-->L36-1: 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] {990#(< |main_#t~post6| 5)} is VALID [2022-04-14 22:44:36,556 INFO L290 TraceCheckUtils]: 25: Hoare triple {994#(< ~counter~0 5)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {994#(< ~counter~0 5)} is VALID [2022-04-14 22:44:36,557 INFO L290 TraceCheckUtils]: 24: Hoare triple {994#(< ~counter~0 5)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {994#(< ~counter~0 5)} is VALID [2022-04-14 22:44:36,557 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {877#true} {994#(< ~counter~0 5)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {994#(< ~counter~0 5)} is VALID [2022-04-14 22:44:36,557 INFO L290 TraceCheckUtils]: 22: Hoare triple {877#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-14 22:44:36,558 INFO L290 TraceCheckUtils]: 21: Hoare triple {877#true} [93] L16-->L16-2: Formula: (not (= 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[] {877#true} is VALID [2022-04-14 22:44:36,558 INFO L290 TraceCheckUtils]: 20: Hoare triple {877#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {877#true} is VALID [2022-04-14 22:44:36,558 INFO L272 TraceCheckUtils]: 19: Hoare triple {994#(< ~counter~0 5)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {877#true} is VALID [2022-04-14 22:44:36,558 INFO L290 TraceCheckUtils]: 18: Hoare triple {994#(< ~counter~0 5)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {994#(< ~counter~0 5)} is VALID [2022-04-14 22:44:36,559 INFO L290 TraceCheckUtils]: 17: Hoare triple {1022#(< ~counter~0 4)} [83] L41-2-->L36-1: 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] {994#(< ~counter~0 5)} is VALID [2022-04-14 22:44:36,559 INFO L290 TraceCheckUtils]: 16: Hoare triple {1022#(< ~counter~0 4)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,559 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {877#true} {1022#(< ~counter~0 4)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,560 INFO L290 TraceCheckUtils]: 14: Hoare triple {877#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-14 22:44:36,562 INFO L290 TraceCheckUtils]: 13: Hoare triple {877#true} [81] L13-->L13-2: 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[] {877#true} is VALID [2022-04-14 22:44:36,563 INFO L290 TraceCheckUtils]: 12: Hoare triple {877#true} [78] assume_abort_if_notENTRY-->L13: 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] {877#true} is VALID [2022-04-14 22:44:36,563 INFO L272 TraceCheckUtils]: 11: Hoare triple {1022#(< ~counter~0 4)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {877#true} is VALID [2022-04-14 22:44:36,563 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {877#true} {1022#(< ~counter~0 4)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,563 INFO L290 TraceCheckUtils]: 9: Hoare triple {877#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-14 22:44:36,563 INFO L290 TraceCheckUtils]: 8: Hoare triple {877#true} [81] L13-->L13-2: 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[] {877#true} is VALID [2022-04-14 22:44:36,564 INFO L290 TraceCheckUtils]: 7: Hoare triple {877#true} [78] assume_abort_if_notENTRY-->L13: 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] {877#true} is VALID [2022-04-14 22:44:36,564 INFO L272 TraceCheckUtils]: 6: Hoare triple {1022#(< ~counter~0 4)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {877#true} is VALID [2022-04-14 22:44:36,564 INFO L290 TraceCheckUtils]: 5: Hoare triple {1022#(< ~counter~0 4)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,564 INFO L272 TraceCheckUtils]: 4: Hoare triple {1022#(< ~counter~0 4)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,565 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1022#(< ~counter~0 4)} {877#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,565 INFO L290 TraceCheckUtils]: 2: Hoare triple {1022#(< ~counter~0 4)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,569 INFO L290 TraceCheckUtils]: 1: Hoare triple {877#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1022#(< ~counter~0 4)} is VALID [2022-04-14 22:44:36,569 INFO L272 TraceCheckUtils]: 0: Hoare triple {877#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {877#true} is VALID [2022-04-14 22:44:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:36,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:36,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84991819] [2022-04-14 22:44:36,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:44:36,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313811896] [2022-04-14 22:44:36,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313811896] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-14 22:44:36,570 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-14 22:44:36,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-14 22:44:36,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056565617] [2022-04-14 22:44:36,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-14 22:44:36,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-14 22:44:36,571 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:36,572 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-14 22:44:36,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:36,610 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-14 22:44:36,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-14 22:44:36,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-14 22:44:36,611 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-14 22:44:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:36,749 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-14 22:44:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-14 22:44:36,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-14 22:44:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-14 22:44:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-04-14 22:44:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-14 22:44:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2022-04-14 22:44:36,761 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 63 transitions. [2022-04-14 22:44:36,805 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:36,806 INFO L225 Difference]: With dead ends: 56 [2022-04-14 22:44:36,806 INFO L226 Difference]: Without dead ends: 56 [2022-04-14 22:44:36,806 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-14 22:44:36,807 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 22:44:36,807 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 128 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 22:44:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-14 22:44:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-14 22:44:36,810 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:36,810 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-14 22:44:36,810 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-14 22:44:36,810 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-14 22:44:36,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:36,812 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-14 22:44:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-14 22:44:36,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:36,812 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:36,813 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-14 22:44:36,813 INFO L87 Difference]: Start difference. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-14 22:44:36,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:36,814 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-14 22:44:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-14 22:44:36,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:36,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:36,815 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:36,815 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-14 22:44:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2022-04-14 22:44:36,816 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 32 [2022-04-14 22:44:36,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:36,816 INFO L478 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2022-04-14 22:44:36,816 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-14 22:44:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-14 22:44:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-14 22:44:36,817 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:36,817 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:36,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-14 22:44:37,033 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 [2022-04-14 22:44:37,033 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:37,034 INFO L85 PathProgramCache]: Analyzing trace with hash -906969448, now seen corresponding path program 2 times [2022-04-14 22:44:37,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:37,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801334521] [2022-04-14 22:44:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:37,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:37,046 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:37,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1245687392] [2022-04-14 22:44:37,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-14 22:44:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:37,047 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) [2022-04-14 22:44:37,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-14 22:44:37,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-14 22:44:37,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-14 22:44:37,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-14 22:44:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 22:44:37,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 22:44:37,369 INFO L272 TraceCheckUtils]: 0: Hoare triple {1306#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,370 INFO L290 TraceCheckUtils]: 1: Hoare triple {1306#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,370 INFO L290 TraceCheckUtils]: 2: Hoare triple {1314#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,371 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1314#(<= ~counter~0 0)} {1306#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,371 INFO L272 TraceCheckUtils]: 4: Hoare triple {1314#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,371 INFO L290 TraceCheckUtils]: 5: Hoare triple {1314#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,372 INFO L272 TraceCheckUtils]: 6: Hoare triple {1314#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,372 INFO L290 TraceCheckUtils]: 7: Hoare triple {1314#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,372 INFO L290 TraceCheckUtils]: 8: Hoare triple {1314#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {1314#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,373 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1314#(<= ~counter~0 0)} {1314#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,374 INFO L272 TraceCheckUtils]: 11: Hoare triple {1314#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,374 INFO L290 TraceCheckUtils]: 12: Hoare triple {1314#(<= ~counter~0 0)} [78] assume_abort_if_notENTRY-->L13: 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] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,374 INFO L290 TraceCheckUtils]: 13: Hoare triple {1314#(<= ~counter~0 0)} [81] L13-->L13-2: 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[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,375 INFO L290 TraceCheckUtils]: 14: Hoare triple {1314#(<= ~counter~0 0)} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,375 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1314#(<= ~counter~0 0)} {1314#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,375 INFO L290 TraceCheckUtils]: 16: Hoare triple {1314#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,376 INFO L290 TraceCheckUtils]: 17: Hoare triple {1314#(<= ~counter~0 0)} [83] L41-2-->L36-1: 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] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,376 INFO L290 TraceCheckUtils]: 18: Hoare triple {1363#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,377 INFO L272 TraceCheckUtils]: 19: Hoare triple {1363#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,377 INFO L290 TraceCheckUtils]: 20: Hoare triple {1363#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,377 INFO L290 TraceCheckUtils]: 21: Hoare triple {1363#(<= ~counter~0 1)} [93] L16-->L16-2: Formula: (not (= 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[] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,378 INFO L290 TraceCheckUtils]: 22: Hoare triple {1363#(<= ~counter~0 1)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,378 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1363#(<= ~counter~0 1)} {1363#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,379 INFO L290 TraceCheckUtils]: 24: Hoare triple {1363#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,379 INFO L290 TraceCheckUtils]: 25: Hoare triple {1363#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,379 INFO L290 TraceCheckUtils]: 26: Hoare triple {1363#(<= ~counter~0 1)} [83] L41-2-->L36-1: 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] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,380 INFO L290 TraceCheckUtils]: 27: Hoare triple {1391#(<= ~counter~0 2)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,380 INFO L272 TraceCheckUtils]: 28: Hoare triple {1391#(<= ~counter~0 2)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,381 INFO L290 TraceCheckUtils]: 29: Hoare triple {1391#(<= ~counter~0 2)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,381 INFO L290 TraceCheckUtils]: 30: Hoare triple {1391#(<= ~counter~0 2)} [93] L16-->L16-2: Formula: (not (= 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[] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,381 INFO L290 TraceCheckUtils]: 31: Hoare triple {1391#(<= ~counter~0 2)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,382 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1391#(<= ~counter~0 2)} {1391#(<= ~counter~0 2)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,382 INFO L290 TraceCheckUtils]: 33: Hoare triple {1391#(<= ~counter~0 2)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,382 INFO L290 TraceCheckUtils]: 34: Hoare triple {1391#(<= ~counter~0 2)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,383 INFO L290 TraceCheckUtils]: 35: Hoare triple {1391#(<= ~counter~0 2)} [83] L41-2-->L36-1: 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] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,383 INFO L290 TraceCheckUtils]: 36: Hoare triple {1419#(<= ~counter~0 3)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,384 INFO L272 TraceCheckUtils]: 37: Hoare triple {1419#(<= ~counter~0 3)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,384 INFO L290 TraceCheckUtils]: 38: Hoare triple {1419#(<= ~counter~0 3)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,384 INFO L290 TraceCheckUtils]: 39: Hoare triple {1419#(<= ~counter~0 3)} [93] L16-->L16-2: Formula: (not (= 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[] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,385 INFO L290 TraceCheckUtils]: 40: Hoare triple {1419#(<= ~counter~0 3)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,385 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1419#(<= ~counter~0 3)} {1419#(<= ~counter~0 3)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,385 INFO L290 TraceCheckUtils]: 42: Hoare triple {1419#(<= ~counter~0 3)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,386 INFO L290 TraceCheckUtils]: 43: Hoare triple {1419#(<= ~counter~0 3)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,386 INFO L290 TraceCheckUtils]: 44: Hoare triple {1419#(<= ~counter~0 3)} [83] L41-2-->L36-1: 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] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,386 INFO L290 TraceCheckUtils]: 45: Hoare triple {1447#(<= ~counter~0 4)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,387 INFO L272 TraceCheckUtils]: 46: Hoare triple {1447#(<= ~counter~0 4)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,387 INFO L290 TraceCheckUtils]: 47: Hoare triple {1447#(<= ~counter~0 4)} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,387 INFO L290 TraceCheckUtils]: 48: Hoare triple {1447#(<= ~counter~0 4)} [93] L16-->L16-2: Formula: (not (= 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[] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,388 INFO L290 TraceCheckUtils]: 49: Hoare triple {1447#(<= ~counter~0 4)} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,388 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1447#(<= ~counter~0 4)} {1447#(<= ~counter~0 4)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,389 INFO L290 TraceCheckUtils]: 51: Hoare triple {1447#(<= ~counter~0 4)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,389 INFO L290 TraceCheckUtils]: 52: Hoare triple {1447#(<= ~counter~0 4)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,389 INFO L290 TraceCheckUtils]: 53: Hoare triple {1447#(<= ~counter~0 4)} [83] L41-2-->L36-1: 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] {1475#(<= |main_#t~post6| 4)} is VALID [2022-04-14 22:44:37,390 INFO L290 TraceCheckUtils]: 54: Hoare triple {1475#(<= |main_#t~post6| 4)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1307#false} is VALID [2022-04-14 22:44:37,390 INFO L272 TraceCheckUtils]: 55: Hoare triple {1307#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1307#false} is VALID [2022-04-14 22:44:37,390 INFO L290 TraceCheckUtils]: 56: Hoare triple {1307#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1307#false} is VALID [2022-04-14 22:44:37,390 INFO L290 TraceCheckUtils]: 57: Hoare triple {1307#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-14 22:44:37,390 INFO L290 TraceCheckUtils]: 58: Hoare triple {1307#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-14 22:44:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 22:44:37,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-14 22:44:37,650 INFO L290 TraceCheckUtils]: 58: Hoare triple {1307#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-14 22:44:37,651 INFO L290 TraceCheckUtils]: 57: Hoare triple {1307#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1307#false} is VALID [2022-04-14 22:44:37,651 INFO L290 TraceCheckUtils]: 56: Hoare triple {1307#false} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1307#false} is VALID [2022-04-14 22:44:37,651 INFO L272 TraceCheckUtils]: 55: Hoare triple {1307#false} [85] L36-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1307#false} is VALID [2022-04-14 22:44:37,651 INFO L290 TraceCheckUtils]: 54: Hoare triple {1475#(<= |main_#t~post6| 4)} [86] L36-1-->L36-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1307#false} is VALID [2022-04-14 22:44:37,651 INFO L290 TraceCheckUtils]: 53: Hoare triple {1447#(<= ~counter~0 4)} [83] L41-2-->L36-1: 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] {1475#(<= |main_#t~post6| 4)} is VALID [2022-04-14 22:44:37,652 INFO L290 TraceCheckUtils]: 52: Hoare triple {1447#(<= ~counter~0 4)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,652 INFO L290 TraceCheckUtils]: 51: Hoare triple {1447#(<= ~counter~0 4)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,653 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1306#true} {1447#(<= ~counter~0 4)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,653 INFO L290 TraceCheckUtils]: 49: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,653 INFO L290 TraceCheckUtils]: 48: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= 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[] {1306#true} is VALID [2022-04-14 22:44:37,653 INFO L290 TraceCheckUtils]: 47: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-14 22:44:37,653 INFO L272 TraceCheckUtils]: 46: Hoare triple {1447#(<= ~counter~0 4)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-14 22:44:37,654 INFO L290 TraceCheckUtils]: 45: Hoare triple {1447#(<= ~counter~0 4)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,654 INFO L290 TraceCheckUtils]: 44: Hoare triple {1419#(<= ~counter~0 3)} [83] L41-2-->L36-1: 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] {1447#(<= ~counter~0 4)} is VALID [2022-04-14 22:44:37,654 INFO L290 TraceCheckUtils]: 43: Hoare triple {1419#(<= ~counter~0 3)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,654 INFO L290 TraceCheckUtils]: 42: Hoare triple {1419#(<= ~counter~0 3)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,655 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1306#true} {1419#(<= ~counter~0 3)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,655 INFO L290 TraceCheckUtils]: 40: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,655 INFO L290 TraceCheckUtils]: 39: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= 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[] {1306#true} is VALID [2022-04-14 22:44:37,655 INFO L290 TraceCheckUtils]: 38: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-14 22:44:37,655 INFO L272 TraceCheckUtils]: 37: Hoare triple {1419#(<= ~counter~0 3)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-14 22:44:37,656 INFO L290 TraceCheckUtils]: 36: Hoare triple {1419#(<= ~counter~0 3)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,656 INFO L290 TraceCheckUtils]: 35: Hoare triple {1391#(<= ~counter~0 2)} [83] L41-2-->L36-1: 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] {1419#(<= ~counter~0 3)} is VALID [2022-04-14 22:44:37,657 INFO L290 TraceCheckUtils]: 34: Hoare triple {1391#(<= ~counter~0 2)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,657 INFO L290 TraceCheckUtils]: 33: Hoare triple {1391#(<= ~counter~0 2)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,657 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1306#true} {1391#(<= ~counter~0 2)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,657 INFO L290 TraceCheckUtils]: 31: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,658 INFO L290 TraceCheckUtils]: 30: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= 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[] {1306#true} is VALID [2022-04-14 22:44:37,658 INFO L290 TraceCheckUtils]: 29: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-14 22:44:37,658 INFO L272 TraceCheckUtils]: 28: Hoare triple {1391#(<= ~counter~0 2)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-14 22:44:37,658 INFO L290 TraceCheckUtils]: 27: Hoare triple {1391#(<= ~counter~0 2)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,659 INFO L290 TraceCheckUtils]: 26: Hoare triple {1363#(<= ~counter~0 1)} [83] L41-2-->L36-1: 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] {1391#(<= ~counter~0 2)} is VALID [2022-04-14 22:44:37,659 INFO L290 TraceCheckUtils]: 25: Hoare triple {1363#(<= ~counter~0 1)} [99] L41-->L41-2: Formula: (and (= v_main_~y1~0_1 (+ v_main_~y1~0_2 1)) (= v_main_~y2~0_1 0) (= (+ v_main_~y2~0_2 1) v_main_~x2~0_1) (= v_main_~y3~0_1 (+ (- 1) v_main_~y3~0_2))) InVars {main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_2, main_~y2~0=v_main_~y2~0_2, main_~y1~0=v_main_~y1~0_2} OutVars{main_~x2~0=v_main_~x2~0_1, main_~y3~0=v_main_~y3~0_1, main_~y2~0=v_main_~y2~0_1, main_~y1~0=v_main_~y1~0_1} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,659 INFO L290 TraceCheckUtils]: 24: Hoare triple {1363#(<= ~counter~0 1)} [95] L37-1-->L41: Formula: (not (= v_main_~y3~0_9 0)) InVars {main_~y3~0=v_main_~y3~0_9} OutVars{main_~y3~0=v_main_~y3~0_9} AuxVars[] AssignedVars[] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,660 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1306#true} {1363#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L37-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,660 INFO L290 TraceCheckUtils]: 22: Hoare triple {1306#true} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,660 INFO L290 TraceCheckUtils]: 21: Hoare triple {1306#true} [93] L16-->L16-2: Formula: (not (= 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[] {1306#true} is VALID [2022-04-14 22:44:37,660 INFO L290 TraceCheckUtils]: 20: Hoare triple {1306#true} [89] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |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_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1306#true} is VALID [2022-04-14 22:44:37,660 INFO L272 TraceCheckUtils]: 19: Hoare triple {1363#(<= ~counter~0 1)} [90] L37-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1306#true} is VALID [2022-04-14 22:44:37,660 INFO L290 TraceCheckUtils]: 18: Hoare triple {1363#(<= ~counter~0 1)} [87] L36-1-->L37: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,661 INFO L290 TraceCheckUtils]: 17: Hoare triple {1314#(<= ~counter~0 0)} [83] L41-2-->L36-1: 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] {1363#(<= ~counter~0 1)} is VALID [2022-04-14 22:44:37,661 INFO L290 TraceCheckUtils]: 16: Hoare triple {1314#(<= ~counter~0 0)} [79] L30-->L41-2: Formula: (and (= v_main_~y1~0_5 0) (= v_main_~y2~0_7 0) (= v_main_~x1~0_6 v_main_~y3~0_6)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_6, main_~y2~0=v_main_~y2~0_7, main_~y1~0=v_main_~y1~0_5} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,661 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1306#true} {1314#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,661 INFO L290 TraceCheckUtils]: 14: Hoare triple {1306#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,662 INFO L290 TraceCheckUtils]: 13: Hoare triple {1306#true} [81] L13-->L13-2: 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[] {1306#true} is VALID [2022-04-14 22:44:37,662 INFO L290 TraceCheckUtils]: 12: Hoare triple {1306#true} [78] assume_abort_if_notENTRY-->L13: 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] {1306#true} is VALID [2022-04-14 22:44:37,663 INFO L272 TraceCheckUtils]: 11: Hoare triple {1314#(<= ~counter~0 0)} [77] L29-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {1306#true} is VALID [2022-04-14 22:44:37,663 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1306#true} {1314#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,663 INFO L290 TraceCheckUtils]: 9: Hoare triple {1306#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,663 INFO L290 TraceCheckUtils]: 8: Hoare triple {1306#true} [81] L13-->L13-2: 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[] {1306#true} is VALID [2022-04-14 22:44:37,663 INFO L290 TraceCheckUtils]: 7: Hoare triple {1306#true} [78] assume_abort_if_notENTRY-->L13: 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] {1306#true} is VALID [2022-04-14 22:44:37,663 INFO L272 TraceCheckUtils]: 6: Hoare triple {1314#(<= ~counter~0 0)} [76] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {1306#true} is VALID [2022-04-14 22:44:37,664 INFO L290 TraceCheckUtils]: 5: Hoare triple {1314#(<= ~counter~0 0)} [74] mainENTRY-->L29: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~x2~0_4 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_4, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_5, main_~y2~0=v_main_~y2~0_6, main_~y1~0=v_main_~y1~0_4} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,664 INFO L272 TraceCheckUtils]: 4: Hoare triple {1314#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,664 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1314#(<= ~counter~0 0)} {1306#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,664 INFO L290 TraceCheckUtils]: 2: Hoare triple {1314#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,665 INFO L290 TraceCheckUtils]: 1: Hoare triple {1306#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 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 .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1314#(<= ~counter~0 0)} is VALID [2022-04-14 22:44:37,665 INFO L272 TraceCheckUtils]: 0: Hoare triple {1306#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1306#true} is VALID [2022-04-14 22:44:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-14 22:44:37,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 22:44:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801334521] [2022-04-14 22:44:37,667 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 22:44:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245687392] [2022-04-14 22:44:37,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245687392] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-14 22:44:37,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-14 22:44:37,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-14 22:44:37,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361439936] [2022-04-14 22:44:37,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-14 22:44:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 59 [2022-04-14 22:44:37,673 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 22:44:37,673 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-14 22:44:37,720 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:37,720 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-14 22:44:37,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 22:44:37,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-14 22:44:37,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-14 22:44:37,723 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-14 22:44:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:37,874 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-14 22:44:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-14 22:44:37,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 59 [2022-04-14 22:44:37,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 22:44:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-14 22:44:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 71 transitions. [2022-04-14 22:44:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-14 22:44:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 71 transitions. [2022-04-14 22:44:37,881 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 71 transitions. [2022-04-14 22:44:37,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 22:44:37,931 INFO L225 Difference]: With dead ends: 65 [2022-04-14 22:44:37,931 INFO L226 Difference]: Without dead ends: 65 [2022-04-14 22:44:37,931 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-14 22:44:37,932 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 22:44:37,932 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 102 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 22:44:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-14 22:44:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-04-14 22:44:37,943 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 22:44:37,944 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-14 22:44:37,944 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-14 22:44:37,944 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-14 22:44:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:37,946 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-14 22:44:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-14 22:44:37,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:37,968 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:37,968 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 65 states. [2022-04-14 22:44:37,968 INFO L87 Difference]: Start difference. First operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 65 states. [2022-04-14 22:44:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 22:44:37,970 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-04-14 22:44:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-14 22:44:37,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 22:44:37,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 22:44:37,970 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 22:44:37,970 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 22:44:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-14 22:44:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2022-04-14 22:44:37,972 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 59 [2022-04-14 22:44:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 22:44:37,972 INFO L478 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2022-04-14 22:44:37,972 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (15), 7 states have call predecessors, (15), 6 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2022-04-14 22:44:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2022-04-14 22:44:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-14 22:44:37,973 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 22:44:37,973 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 22:44:37,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-14 22:44:38,189 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 [2022-04-14 22:44:38,189 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 22:44:38,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 22:44:38,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1572135395, now seen corresponding path program 3 times [2022-04-14 22:44:38,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 22:44:38,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93005998] [2022-04-14 22:44:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 22:44:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 22:44:38,202 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 22:44:38,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219700848] [2022-04-14 22:44:38,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-14 22:44:38,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 22:44:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 22:44:38,203 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) [2022-04-14 22:44:38,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-14 22:44:38,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-14 22:44:38,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-14 22:44:38,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-14 22:44:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-14 22:44:38,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-14 22:44:38,293 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-14 22:44:38,294 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-14 22:44:38,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-14 22:44:38,527 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 [2022-04-14 22:44:38,530 INFO L719 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-04-14 22:44:38,532 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-14 22:44:38,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 10:44:38 BasicIcfg [2022-04-14 22:44:38,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-14 22:44:38,567 INFO L158 Benchmark]: Toolchain (without parser) took 11945.82ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 172.6MB in the beginning and 224.9MB in the end (delta: -52.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 22:44:38,567 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 221.2MB. Free memory was 188.6MB in the beginning and 188.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 22:44:38,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.16ms. Allocated memory is still 221.2MB. Free memory was 172.5MB in the beginning and 196.3MB in the end (delta: -23.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-14 22:44:38,567 INFO L158 Benchmark]: Boogie Preprocessor took 18.81ms. Allocated memory is still 221.2MB. Free memory was 196.3MB in the beginning and 194.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-14 22:44:38,567 INFO L158 Benchmark]: RCFGBuilder took 291.89ms. Allocated memory is still 221.2MB. Free memory was 194.9MB in the beginning and 184.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-14 22:44:38,567 INFO L158 Benchmark]: IcfgTransformer took 35.45ms. Allocated memory is still 221.2MB. Free memory was 183.8MB in the beginning and 182.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-14 22:44:38,568 INFO L158 Benchmark]: TraceAbstraction took 11413.76ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 182.1MB in the beginning and 224.9MB in the end (delta: -42.8MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. [2022-04-14 22:44:38,568 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 0.10ms. Allocated memory is still 221.2MB. Free memory was 188.6MB in the beginning and 188.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 182.16ms. Allocated memory is still 221.2MB. Free memory was 172.5MB in the beginning and 196.3MB in the end (delta: -23.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.81ms. Allocated memory is still 221.2MB. Free memory was 196.3MB in the beginning and 194.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 291.89ms. Allocated memory is still 221.2MB. Free memory was 194.9MB in the beginning and 184.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 35.45ms. Allocated memory is still 221.2MB. Free memory was 183.8MB in the beginning and 182.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 11413.76ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 182.1MB in the beginning and 224.9MB in the end (delta: -42.8MB). Peak memory consumption was 2.8MB. 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [\old(counter)=7, counter=0] [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L29] RET assume_abort_if_not(x1 >= 0) VAL [\old(counter)=0, counter=0, x1=6, x2=1] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L30] RET assume_abort_if_not(x2 != 0) VAL [\old(counter)=0, counter=0, x1=6, x2=1] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [\old(counter)=0, counter=0, x1=6, x2=1, y1=0, y2=0, y3=6] [L36] EXPR counter++ VAL [\old(counter)=0, counter=1, counter++=0, x1=6, x2=1, y1=0, y2=0, y3=6] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=0, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=0, y2=0, y3=6] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=1, x1=6, x2=1, y1=1, y2=0, y3=5] [L36] EXPR counter++ VAL [\old(counter)=0, counter=2, counter++=1, x1=6, x2=1, y1=1, y2=0, y3=5] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=1, y2=0, y3=5] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=1, y2=0, y3=5] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=2, x1=6, x2=1, y1=2, y2=0, y3=4] [L36] EXPR counter++ VAL [\old(counter)=0, counter=3, counter++=2, x1=6, x2=1, y1=2, y2=0, y3=4] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=2, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=2, y2=0, y3=4] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=3, x1=6, x2=1, y1=3, y2=0, y3=3] [L36] EXPR counter++ VAL [\old(counter)=0, counter=4, counter++=3, x1=6, x2=1, y1=3, y2=0, y3=3] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=3, y2=0, y3=3] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=3, y2=0, y3=3] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=4, x1=6, x2=1, y1=4, y2=0, y3=2] [L36] EXPR counter++ VAL [\old(counter)=0, counter=5, counter++=4, x1=6, x2=1, y1=4, y2=0, y3=2] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=4, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=4, y2=0, y3=2] [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [\old(counter)=0, counter=5, x1=6, x2=1, y1=5, y2=0, y3=1] [L36] EXPR counter++ VAL [\old(counter)=0, counter=6, counter++=5, x1=6, x2=1, y1=5, y2=0, y3=1] [L36] COND FALSE !(counter++<5) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L16] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L18] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 545 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 158 mSDtfsCounter, 209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 303 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 699 SizeOfPredicates, 18 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 82/188 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 RESULT: Ultimate proved your program to be incorrect! [2022-04-14 22:44:38,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...