/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/prod4br-ll_unwindbound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 19:47:12,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 19:47:12,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 19:47:12,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 19:47:12,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 19:47:12,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 19:47:12,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 19:47:12,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 19:47:12,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 19:47:12,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 19:47:12,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 19:47:12,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 19:47:12,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 19:47:12,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 19:47:12,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 19:47:12,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 19:47:12,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 19:47:12,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 19:47:12,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 19:47:12,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 19:47:12,988 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 19:47:12,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 19:47:12,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 19:47:12,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 19:47:12,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 19:47:12,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 19:47:12,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 19:47:12,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 19:47:12,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 19:47:12,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 19:47:12,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 19:47:12,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 19:47:12,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 19:47:12,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 19:47:12,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 19:47:12,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 19:47:13,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 19:47:13,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 19:47:13,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 19:47:13,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 19:47:13,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 19:47:13,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 19:47:13,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 19:47:13,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 19:47:13,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 19:47:13,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 19:47:13,023 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 19:47:13,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 19:47:13,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 19:47:13,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 19:47:13,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 19:47:13,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 19:47:13,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 19:47:13,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 19:47:13,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 19:47:13,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 19:47:13,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 19:47:13,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 19:47:13,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 19:47:13,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 19:47:13,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 19:47:13,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:47:13,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 19:47:13,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 19:47:13,027 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 19:47:13,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 19:47:13,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 19:47:13,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 19:47:13,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 19:47:13,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 19:47:13,242 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 19:47:13,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2022-04-27 19:47:13,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d0081fb/f4c46282357d4d83a86176f61d9dbdb1/FLAGe37f82f0a [2022-04-27 19:47:13,700 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 19:47:13,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2022-04-27 19:47:13,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d0081fb/f4c46282357d4d83a86176f61d9dbdb1/FLAGe37f82f0a [2022-04-27 19:47:13,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d0081fb/f4c46282357d4d83a86176f61d9dbdb1 [2022-04-27 19:47:13,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 19:47:13,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 19:47:13,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 19:47:13,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 19:47:13,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 19:47:13,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:13,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dabcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13, skipping insertion in model container [2022-04-27 19:47:13,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:13,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 19:47:13,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 19:47:13,927 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/prod4br-ll_unwindbound10.c[524,537] [2022-04-27 19:47:13,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:47:13,966 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 19:47:13,979 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/prod4br-ll_unwindbound10.c[524,537] [2022-04-27 19:47:13,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:47:13,999 INFO L208 MainTranslator]: Completed translation [2022-04-27 19:47:13,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13 WrapperNode [2022-04-27 19:47:14,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 19:47:14,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 19:47:14,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 19:47:14,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 19:47:14,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 19:47:14,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 19:47:14,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 19:47:14,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 19:47:14,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (1/1) ... [2022-04-27 19:47:14,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:47:14,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:47:14,084 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) [2022-04-27 19:47:14,107 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 [2022-04-27 19:47:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 19:47:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 19:47:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 19:47:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 19:47:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 19:47:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 19:47:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 19:47:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 19:47:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 19:47:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 19:47:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 19:47:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 19:47:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 19:47:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 19:47:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 19:47:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 19:47:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 19:47:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 19:47:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 19:47:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 19:47:14,187 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 19:47:14,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 19:47:14,432 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 19:47:14,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 19:47:14,438 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 19:47:14,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:47:14 BoogieIcfgContainer [2022-04-27 19:47:14,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 19:47:14,440 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 19:47:14,440 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 19:47:14,441 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 19:47:14,444 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:47:14" (1/1) ... [2022-04-27 19:47:14,446 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 19:47:14,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:47:14 BasicIcfg [2022-04-27 19:47:14,473 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 19:47:14,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 19:47:14,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 19:47:14,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 19:47:14,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 07:47:13" (1/4) ... [2022-04-27 19:47:14,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4938c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:47:14, skipping insertion in model container [2022-04-27 19:47:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:47:13" (2/4) ... [2022-04-27 19:47:14,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4938c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:47:14, skipping insertion in model container [2022-04-27 19:47:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:47:14" (3/4) ... [2022-04-27 19:47:14,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4938c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:47:14, skipping insertion in model container [2022-04-27 19:47:14,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:47:14" (4/4) ... [2022-04-27 19:47:14,479 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound10.cJordan [2022-04-27 19:47:14,491 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 19:47:14,492 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 19:47:14,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 19:47:14,530 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6454e24a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@10304cde [2022-04-27 19:47:14,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 19:47:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 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) [2022-04-27 19:47:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-27 19:47:14,543 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:47:14,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:47:14,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:47:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:47:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1119019339, now seen corresponding path program 1 times [2022-04-27 19:47:14,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:47:14,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576086969] [2022-04-27 19:47:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:47:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 19:47:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:14,745 INFO L290 TraceCheckUtils]: 0: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {35#true} is VALID [2022-04-27 19:47:14,746 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 19:47:14,746 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 19:47:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 19:47:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:14,754 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 19:47:14,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,755 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,755 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 19:47:14,756 INFO L272 TraceCheckUtils]: 0: Hoare triple {35#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 19:47:14,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {35#true} is VALID [2022-04-27 19:47:14,757 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 19:47:14,757 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 19:47:14,758 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-27 19:47:14,758 INFO L290 TraceCheckUtils]: 5: Hoare triple {35#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {35#true} is VALID [2022-04-27 19:47:14,758 INFO L272 TraceCheckUtils]: 6: Hoare triple {35#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-27 19:47:14,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {35#true} is VALID [2022-04-27 19:47:14,759 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,759 INFO L290 TraceCheckUtils]: 9: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,760 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-27 19:47:14,760 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {36#false} is VALID [2022-04-27 19:47:14,760 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#false} [89] L46-2-->L33-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,760 INFO L272 TraceCheckUtils]: 13: Hoare triple {36#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {36#false} is VALID [2022-04-27 19:47:14,761 INFO L290 TraceCheckUtils]: 14: Hoare triple {36#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {36#false} is VALID [2022-04-27 19:47:14,761 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,761 INFO L290 TraceCheckUtils]: 16: Hoare triple {36#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-27 19:47:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:47:14,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:47:14,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576086969] [2022-04-27 19:47:14,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576086969] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:47:14,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:47:14,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 19:47:14,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572712518] [2022-04-27 19:47:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:47:14,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 19:47:14,770 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:47:14,773 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:14,792 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:14,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 19:47:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:47:14,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 19:47:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:47:14,818 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:14,978 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-04-27 19:47:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 19:47:14,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 19:47:14,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:47:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-04-27 19:47:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-04-27 19:47:14,992 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 43 transitions. [2022-04-27 19:47:15,036 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:15,043 INFO L225 Difference]: With dead ends: 33 [2022-04-27 19:47:15,043 INFO L226 Difference]: Without dead ends: 28 [2022-04-27 19:47:15,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:47:15,047 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:47:15,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:47:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-27 19:47:15,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-27 19:47:15,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:47:15,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-04-27 19:47:15,078 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-04-27 19:47:15,080 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-04-27 19:47:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:15,087 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-27 19:47:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-27 19:47:15,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:15,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:15,090 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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 28 states. [2022-04-27 19:47:15,091 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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 28 states. [2022-04-27 19:47:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:15,094 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-27 19:47:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-27 19:47:15,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:15,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:15,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:47:15,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:47:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-04-27 19:47:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-04-27 19:47:15,099 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2022-04-27 19:47:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:47:15,099 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-04-27 19:47:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-04-27 19:47:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 19:47:15,101 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:47:15,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:47:15,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 19:47:15,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:47:15,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:47:15,103 INFO L85 PathProgramCache]: Analyzing trace with hash -496973861, now seen corresponding path program 1 times [2022-04-27 19:47:15,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:47:15,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263612311] [2022-04-27 19:47:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:15,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:47:15,137 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:47:15,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185343024] [2022-04-27 19:47:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:15,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:47:15,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:47:15,144 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) [2022-04-27 19:47:15,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 19:47:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:15,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 19:47:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:15,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:47:15,329 INFO L272 TraceCheckUtils]: 0: Hoare triple {163#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#true} is VALID [2022-04-27 19:47:15,330 INFO L290 TraceCheckUtils]: 1: Hoare triple {163#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,331 INFO L290 TraceCheckUtils]: 2: Hoare triple {171#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,331 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {171#(<= ~counter~0 0)} {163#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,332 INFO L272 TraceCheckUtils]: 4: Hoare triple {171#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,332 INFO L290 TraceCheckUtils]: 5: Hoare triple {171#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,333 INFO L272 TraceCheckUtils]: 6: Hoare triple {171#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,334 INFO L290 TraceCheckUtils]: 7: Hoare triple {171#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,334 INFO L290 TraceCheckUtils]: 8: Hoare triple {171#(<= ~counter~0 0)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,334 INFO L290 TraceCheckUtils]: 9: Hoare triple {171#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,335 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {171#(<= ~counter~0 0)} {171#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,336 INFO L290 TraceCheckUtils]: 11: Hoare triple {171#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {171#(<= ~counter~0 0)} is VALID [2022-04-27 19:47:15,336 INFO L290 TraceCheckUtils]: 12: Hoare triple {171#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {205#(<= |main_#t~post6| 0)} is VALID [2022-04-27 19:47:15,337 INFO L290 TraceCheckUtils]: 13: Hoare triple {205#(<= |main_#t~post6| 0)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {164#false} is VALID [2022-04-27 19:47:15,337 INFO L272 TraceCheckUtils]: 14: Hoare triple {164#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {164#false} is VALID [2022-04-27 19:47:15,337 INFO L290 TraceCheckUtils]: 15: Hoare triple {164#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {164#false} is VALID [2022-04-27 19:47:15,337 INFO L290 TraceCheckUtils]: 16: Hoare triple {164#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {164#false} is VALID [2022-04-27 19:47:15,338 INFO L290 TraceCheckUtils]: 17: Hoare triple {164#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {164#false} is VALID [2022-04-27 19:47:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:47:15,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:47:15,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:47:15,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263612311] [2022-04-27 19:47:15,339 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:47:15,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185343024] [2022-04-27 19:47:15,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185343024] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:47:15,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:47:15,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-27 19:47:15,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999686515] [2022-04-27 19:47:15,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:47:15,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-27 19:47:15,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:47:15,341 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 19:47:15,367 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-27 19:47:15,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:47:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-27 19:47:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 19:47:15,369 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 19:47:15,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:15,427 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-27 19:47:15,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-27 19:47:15,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-27 19:47:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:47:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 19:47:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2022-04-27 19:47:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 19:47:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2022-04-27 19:47:15,432 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 36 transitions. [2022-04-27 19:47:15,463 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:15,464 INFO L225 Difference]: With dead ends: 29 [2022-04-27 19:47:15,464 INFO L226 Difference]: Without dead ends: 29 [2022-04-27 19:47:15,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 19:47:15,466 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 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 [2022-04-27 19:47:15,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:47:15,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-27 19:47:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-27 19:47:15,469 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:47:15,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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) [2022-04-27 19:47:15,470 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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) [2022-04-27 19:47:15,470 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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) [2022-04-27 19:47:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:15,473 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-27 19:47:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-27 19:47:15,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:15,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:15,474 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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 29 states. [2022-04-27 19:47:15,474 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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 29 states. [2022-04-27 19:47:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:15,476 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-27 19:47:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-27 19:47:15,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:15,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:15,477 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:47:15,477 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:47:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 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) [2022-04-27 19:47:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-04-27 19:47:15,479 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 18 [2022-04-27 19:47:15,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:47:15,479 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-04-27 19:47:15,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 19:47:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-27 19:47:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 19:47:15,480 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:47:15,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:47:15,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-27 19:47:15,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:47:15,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:47:15,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:47:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash -495871594, now seen corresponding path program 1 times [2022-04-27 19:47:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:47:15,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125716507] [2022-04-27 19:47:15,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:15,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:47:15,716 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:47:15,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973537691] [2022-04-27 19:47:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:15,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:47:15,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:47:15,718 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) [2022-04-27 19:47:15,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 19:47:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:15,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-27 19:47:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:15,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:47:15,907 INFO L272 TraceCheckUtils]: 0: Hoare triple {336#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {336#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {336#true} is VALID [2022-04-27 19:47:15,908 INFO L290 TraceCheckUtils]: 2: Hoare triple {336#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,908 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {336#true} {336#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,910 INFO L272 TraceCheckUtils]: 4: Hoare triple {336#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,910 INFO L290 TraceCheckUtils]: 5: Hoare triple {336#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {336#true} is VALID [2022-04-27 19:47:15,910 INFO L272 TraceCheckUtils]: 6: Hoare triple {336#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {336#true} is VALID [2022-04-27 19:47:15,910 INFO L290 TraceCheckUtils]: 7: Hoare triple {336#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {336#true} is VALID [2022-04-27 19:47:15,911 INFO L290 TraceCheckUtils]: 8: Hoare triple {336#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,911 INFO L290 TraceCheckUtils]: 9: Hoare triple {336#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#true} is VALID [2022-04-27 19:47:15,911 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {336#true} {336#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {336#true} is VALID [2022-04-27 19:47:15,914 INFO L290 TraceCheckUtils]: 11: Hoare triple {336#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:47:15,914 INFO L290 TraceCheckUtils]: 12: Hoare triple {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:47:15,915 INFO L290 TraceCheckUtils]: 13: Hoare triple {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:47:15,916 INFO L272 TraceCheckUtils]: 14: Hoare triple {374#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {384#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:47:15,917 INFO L290 TraceCheckUtils]: 15: Hoare triple {384#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {388#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:47:15,917 INFO L290 TraceCheckUtils]: 16: Hoare triple {388#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {337#false} is VALID [2022-04-27 19:47:15,917 INFO L290 TraceCheckUtils]: 17: Hoare triple {337#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {337#false} is VALID [2022-04-27 19:47:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:47:15,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:47:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:47:15,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125716507] [2022-04-27 19:47:15,918 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:47:15,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973537691] [2022-04-27 19:47:15,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973537691] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:47:15,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:47:15,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 19:47:15,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653553951] [2022-04-27 19:47:15,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:47:15,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 19:47:15,919 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:47:15,920 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:15,939 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:15,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 19:47:15,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:47:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 19:47:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 19:47:15,940 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:16,155 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-27 19:47:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 19:47:16,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 19:47:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:47:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2022-04-27 19:47:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2022-04-27 19:47:16,160 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 52 transitions. [2022-04-27 19:47:16,218 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:47:16,219 INFO L225 Difference]: With dead ends: 40 [2022-04-27 19:47:16,219 INFO L226 Difference]: Without dead ends: 40 [2022-04-27 19:47:16,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 19:47:16,221 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:47:16,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 83 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:47:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-27 19:47:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-27 19:47:16,228 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:47:16,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-04-27 19:47:16,229 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-04-27 19:47:16,239 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-04-27 19:47:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:16,242 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-27 19:47:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-27 19:47:16,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:16,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:16,243 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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 40 states. [2022-04-27 19:47:16,243 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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 40 states. [2022-04-27 19:47:16,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:47:16,246 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-27 19:47:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-27 19:47:16,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:47:16,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:47:16,246 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:47:16,247 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:47:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-04-27 19:47:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-04-27 19:47:16,248 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 18 [2022-04-27 19:47:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:47:16,249 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-04-27 19:47:16,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 19:47:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-04-27 19:47:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-27 19:47:16,250 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:47:16,250 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:47:16,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 19:47:16,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-27 19:47:16,465 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:47:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:47:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1025358414, now seen corresponding path program 1 times [2022-04-27 19:47:16,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:47:16,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552080046] [2022-04-27 19:47:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:47:16,489 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:47:16,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859400579] [2022-04-27 19:47:16,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:47:16,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:47:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:47:16,496 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) [2022-04-27 19:47:16,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 19:47:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:16,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-27 19:47:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:47:16,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:47:25,275 INFO L272 TraceCheckUtils]: 0: Hoare triple {550#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:47:25,275 INFO L290 TraceCheckUtils]: 1: Hoare triple {550#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {550#true} is VALID [2022-04-27 19:47:25,275 INFO L290 TraceCheckUtils]: 2: Hoare triple {550#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:47:25,276 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {550#true} {550#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:47:25,276 INFO L272 TraceCheckUtils]: 4: Hoare triple {550#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:47:25,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {550#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {550#true} is VALID [2022-04-27 19:47:25,276 INFO L272 TraceCheckUtils]: 6: Hoare triple {550#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {550#true} is VALID [2022-04-27 19:47:25,277 INFO L290 TraceCheckUtils]: 7: Hoare triple {550#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {576#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 19:47:25,277 INFO L290 TraceCheckUtils]: 8: Hoare triple {576#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {580#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:47:25,278 INFO L290 TraceCheckUtils]: 9: Hoare triple {580#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {580#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:47:25,280 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {580#(not (= |assume_abort_if_not_#in~cond| 0))} {550#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {587#(<= 1 main_~y~0)} is VALID [2022-04-27 19:47:25,281 INFO L290 TraceCheckUtils]: 11: Hoare triple {587#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-27 19:47:25,282 INFO L290 TraceCheckUtils]: 12: Hoare triple {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [90] L46-2-->L33-1: 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] {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-27 19:47:25,282 INFO L290 TraceCheckUtils]: 13: Hoare triple {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-27 19:47:25,283 INFO L272 TraceCheckUtils]: 14: Hoare triple {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {550#true} is VALID [2022-04-27 19:47:25,286 INFO L290 TraceCheckUtils]: 15: Hoare triple {550#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {604#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:47:25,287 INFO L290 TraceCheckUtils]: 16: Hoare triple {604#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= 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[] {608#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:47:25,291 INFO L290 TraceCheckUtils]: 17: Hoare triple {608#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {608#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:47:27,294 WARN L284 TraceCheckUtils]: 18: Hoare quadruple {608#(not (= |__VERIFIER_assert_#in~cond| 0))} {591#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {615#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is UNKNOWN [2022-04-27 19:47:27,295 INFO L290 TraceCheckUtils]: 19: Hoare triple {615#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {619#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} is VALID [2022-04-27 19:47:27,296 INFO L272 TraceCheckUtils]: 20: Hoare triple {619#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {623#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:47:27,297 INFO L290 TraceCheckUtils]: 21: Hoare triple {623#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {627#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:47:27,297 INFO L290 TraceCheckUtils]: 22: Hoare triple {627#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {551#false} is VALID [2022-04-27 19:47:27,297 INFO L290 TraceCheckUtils]: 23: Hoare triple {551#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {551#false} is VALID [2022-04-27 19:47:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:47:27,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:48:04,144 INFO L290 TraceCheckUtils]: 23: Hoare triple {551#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {551#false} is VALID [2022-04-27 19:48:04,146 INFO L290 TraceCheckUtils]: 22: Hoare triple {627#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {551#false} is VALID [2022-04-27 19:48:04,147 INFO L290 TraceCheckUtils]: 21: Hoare triple {623#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {627#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:48:04,148 INFO L272 TraceCheckUtils]: 20: Hoare triple {643#(= main_~q~0 (* main_~y~0 main_~x~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {623#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:48:04,148 INFO L290 TraceCheckUtils]: 19: Hoare triple {647#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {643#(= main_~q~0 (* main_~y~0 main_~x~0))} is VALID [2022-04-27 19:48:04,150 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {608#(not (= |__VERIFIER_assert_#in~cond| 0))} {550#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {647#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} is VALID [2022-04-27 19:48:04,150 INFO L290 TraceCheckUtils]: 17: Hoare triple {608#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {608#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:48:04,151 INFO L290 TraceCheckUtils]: 16: Hoare triple {660#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= 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[] {608#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:48:04,151 INFO L290 TraceCheckUtils]: 15: Hoare triple {550#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {660#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 19:48:04,151 INFO L272 TraceCheckUtils]: 14: Hoare triple {550#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {550#true} is VALID [2022-04-27 19:48:04,152 INFO L290 TraceCheckUtils]: 13: Hoare triple {550#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {550#true} is VALID [2022-04-27 19:48:04,152 INFO L290 TraceCheckUtils]: 12: Hoare triple {550#true} [90] L46-2-->L33-1: 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] {550#true} is VALID [2022-04-27 19:48:04,152 INFO L290 TraceCheckUtils]: 11: Hoare triple {550#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {550#true} is VALID [2022-04-27 19:48:04,152 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {550#true} {550#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {550#true} is VALID [2022-04-27 19:48:04,152 INFO L290 TraceCheckUtils]: 9: Hoare triple {550#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L290 TraceCheckUtils]: 8: Hoare triple {550#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L290 TraceCheckUtils]: 7: Hoare triple {550#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L272 TraceCheckUtils]: 6: Hoare triple {550#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L290 TraceCheckUtils]: 5: Hoare triple {550#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L272 TraceCheckUtils]: 4: Hoare triple {550#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,153 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {550#true} {550#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,154 INFO L290 TraceCheckUtils]: 2: Hoare triple {550#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {550#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {550#true} is VALID [2022-04-27 19:48:04,154 INFO L272 TraceCheckUtils]: 0: Hoare triple {550#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {550#true} is VALID [2022-04-27 19:48:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:48:04,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:48:04,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552080046] [2022-04-27 19:48:04,155 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:48:04,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859400579] [2022-04-27 19:48:04,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859400579] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:48:04,155 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:48:04,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2022-04-27 19:48:04,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796122555] [2022-04-27 19:48:04,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:48:04,156 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-27 19:48:04,156 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:48:04,156 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 19:48:06,187 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 36 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-27 19:48:06,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-27 19:48:06,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:48:06,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-27 19:48:06,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-04-27 19:48:06,188 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 19:48:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:09,915 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-27 19:48:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-27 19:48:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-27 19:48:09,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:48:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 19:48:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 68 transitions. [2022-04-27 19:48:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 19:48:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 68 transitions. [2022-04-27 19:48:09,922 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 68 transitions. [2022-04-27 19:48:11,995 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 67 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-27 19:48:11,997 INFO L225 Difference]: With dead ends: 53 [2022-04-27 19:48:11,997 INFO L226 Difference]: Without dead ends: 53 [2022-04-27 19:48:11,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-04-27 19:48:11,998 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-27 19:48:11,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 141 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-27 19:48:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-27 19:48:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2022-04-27 19:48:12,002 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:48:12,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 19:48:12,003 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 19:48:12,003 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 19:48:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:12,006 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-27 19:48:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-27 19:48:12,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:48:12,006 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:48:12,007 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-27 19:48:12,007 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-27 19:48:12,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:12,010 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-27 19:48:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-27 19:48:12,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:48:12,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:48:12,010 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:48:12,011 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:48:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 19:48:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-04-27 19:48:12,012 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 24 [2022-04-27 19:48:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:48:12,013 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-04-27 19:48:12,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 19:48:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-04-27 19:48:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-27 19:48:12,013 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:48:12,014 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:48:12,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 19:48:12,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:48:12,214 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:48:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:48:12,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2117889998, now seen corresponding path program 1 times [2022-04-27 19:48:12,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:48:12,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214309524] [2022-04-27 19:48:12,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:48:12,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:48:12,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:48:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606148028] [2022-04-27 19:48:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:48:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:48:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:48:12,248 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) [2022-04-27 19:48:12,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 19:48:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:48:12,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 19:48:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:48:12,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:48:12,441 INFO L272 TraceCheckUtils]: 0: Hoare triple {917#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {917#true} is VALID [2022-04-27 19:48:12,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {917#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {925#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,443 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {925#(<= ~counter~0 0)} {917#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,443 INFO L272 TraceCheckUtils]: 4: Hoare triple {925#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,444 INFO L290 TraceCheckUtils]: 5: Hoare triple {925#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,444 INFO L272 TraceCheckUtils]: 6: Hoare triple {925#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,445 INFO L290 TraceCheckUtils]: 7: Hoare triple {925#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,445 INFO L290 TraceCheckUtils]: 8: Hoare triple {925#(<= ~counter~0 0)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,446 INFO L290 TraceCheckUtils]: 9: Hoare triple {925#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,446 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {925#(<= ~counter~0 0)} {925#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,447 INFO L290 TraceCheckUtils]: 11: Hoare triple {925#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {925#(<= ~counter~0 0)} is VALID [2022-04-27 19:48:12,448 INFO L290 TraceCheckUtils]: 12: Hoare triple {925#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,448 INFO L290 TraceCheckUtils]: 13: Hoare triple {959#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,449 INFO L272 TraceCheckUtils]: 14: Hoare triple {959#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,450 INFO L290 TraceCheckUtils]: 15: Hoare triple {959#(<= ~counter~0 1)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,450 INFO L290 TraceCheckUtils]: 16: Hoare triple {959#(<= ~counter~0 1)} [102] L12-->L12-2: Formula: (not (= 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[] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,450 INFO L290 TraceCheckUtils]: 17: Hoare triple {959#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,451 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {959#(<= ~counter~0 1)} {959#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,452 INFO L290 TraceCheckUtils]: 19: Hoare triple {959#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,452 INFO L290 TraceCheckUtils]: 20: Hoare triple {959#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {959#(<= ~counter~0 1)} is VALID [2022-04-27 19:48:12,453 INFO L290 TraceCheckUtils]: 21: Hoare triple {959#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {987#(<= |main_#t~post6| 1)} is VALID [2022-04-27 19:48:12,453 INFO L290 TraceCheckUtils]: 22: Hoare triple {987#(<= |main_#t~post6| 1)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {918#false} is VALID [2022-04-27 19:48:12,454 INFO L272 TraceCheckUtils]: 23: Hoare triple {918#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {918#false} is VALID [2022-04-27 19:48:12,454 INFO L290 TraceCheckUtils]: 24: Hoare triple {918#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {918#false} is VALID [2022-04-27 19:48:12,454 INFO L290 TraceCheckUtils]: 25: Hoare triple {918#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {918#false} is VALID [2022-04-27 19:48:12,454 INFO L290 TraceCheckUtils]: 26: Hoare triple {918#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {918#false} is VALID [2022-04-27 19:48:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:48:12,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:48:12,639 INFO L290 TraceCheckUtils]: 26: Hoare triple {918#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {918#false} is VALID [2022-04-27 19:48:12,639 INFO L290 TraceCheckUtils]: 25: Hoare triple {918#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {918#false} is VALID [2022-04-27 19:48:12,639 INFO L290 TraceCheckUtils]: 24: Hoare triple {918#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {918#false} is VALID [2022-04-27 19:48:12,639 INFO L272 TraceCheckUtils]: 23: Hoare triple {918#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {918#false} is VALID [2022-04-27 19:48:12,640 INFO L290 TraceCheckUtils]: 22: Hoare triple {1015#(< |main_#t~post6| 10)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {918#false} is VALID [2022-04-27 19:48:12,640 INFO L290 TraceCheckUtils]: 21: Hoare triple {1019#(< ~counter~0 10)} [90] L46-2-->L33-1: 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] {1015#(< |main_#t~post6| 10)} is VALID [2022-04-27 19:48:12,641 INFO L290 TraceCheckUtils]: 20: Hoare triple {1019#(< ~counter~0 10)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1019#(< ~counter~0 10)} is VALID [2022-04-27 19:48:12,641 INFO L290 TraceCheckUtils]: 19: Hoare triple {1019#(< ~counter~0 10)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1019#(< ~counter~0 10)} is VALID [2022-04-27 19:48:12,642 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {917#true} {1019#(< ~counter~0 10)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1019#(< ~counter~0 10)} is VALID [2022-04-27 19:48:12,642 INFO L290 TraceCheckUtils]: 17: Hoare triple {917#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {917#true} is VALID [2022-04-27 19:48:12,643 INFO L290 TraceCheckUtils]: 16: Hoare triple {917#true} [102] L12-->L12-2: Formula: (not (= 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[] {917#true} is VALID [2022-04-27 19:48:12,643 INFO L290 TraceCheckUtils]: 15: Hoare triple {917#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {917#true} is VALID [2022-04-27 19:48:12,643 INFO L272 TraceCheckUtils]: 14: Hoare triple {1019#(< ~counter~0 10)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {917#true} is VALID [2022-04-27 19:48:12,643 INFO L290 TraceCheckUtils]: 13: Hoare triple {1019#(< ~counter~0 10)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1019#(< ~counter~0 10)} is VALID [2022-04-27 19:48:12,644 INFO L290 TraceCheckUtils]: 12: Hoare triple {1047#(< ~counter~0 9)} [90] L46-2-->L33-1: 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] {1019#(< ~counter~0 10)} is VALID [2022-04-27 19:48:12,644 INFO L290 TraceCheckUtils]: 11: Hoare triple {1047#(< ~counter~0 9)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,645 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {917#true} {1047#(< ~counter~0 9)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,645 INFO L290 TraceCheckUtils]: 9: Hoare triple {917#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {917#true} is VALID [2022-04-27 19:48:12,645 INFO L290 TraceCheckUtils]: 8: Hoare triple {917#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {917#true} is VALID [2022-04-27 19:48:12,645 INFO L290 TraceCheckUtils]: 7: Hoare triple {917#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {917#true} is VALID [2022-04-27 19:48:12,646 INFO L272 TraceCheckUtils]: 6: Hoare triple {1047#(< ~counter~0 9)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {917#true} is VALID [2022-04-27 19:48:12,646 INFO L290 TraceCheckUtils]: 5: Hoare triple {1047#(< ~counter~0 9)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,646 INFO L272 TraceCheckUtils]: 4: Hoare triple {1047#(< ~counter~0 9)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,647 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1047#(< ~counter~0 9)} {917#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {1047#(< ~counter~0 9)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {917#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {1047#(< ~counter~0 9)} is VALID [2022-04-27 19:48:12,648 INFO L272 TraceCheckUtils]: 0: Hoare triple {917#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {917#true} is VALID [2022-04-27 19:48:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:48:12,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:48:12,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214309524] [2022-04-27 19:48:12,649 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:48:12,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606148028] [2022-04-27 19:48:12,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606148028] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:48:12,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:48:12,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-27 19:48:12,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779613753] [2022-04-27 19:48:12,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:48:12,650 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-27 19:48:12,650 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:48:12,650 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-27 19:48:12,685 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:48:12,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 19:48:12,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:48:12,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 19:48:12,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-27 19:48:12,686 INFO L87 Difference]: Start difference. First operand 39 states and 45 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-27 19:48:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:12,877 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2022-04-27 19:48:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-27 19:48:12,877 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-27 19:48:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:48:12,878 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-27 19:48:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-27 19:48:12,881 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-27 19:48:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-27 19:48:12,883 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 98 transitions. [2022-04-27 19:48:12,965 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:48:12,967 INFO L225 Difference]: With dead ends: 95 [2022-04-27 19:48:12,967 INFO L226 Difference]: Without dead ends: 93 [2022-04-27 19:48:12,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-27 19:48:12,968 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 64 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:48:12,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 146 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:48:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-27 19:48:12,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2022-04-27 19:48:12,974 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:48:12,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:48:12,975 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:48:12,976 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:48:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:12,979 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-27 19:48:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-27 19:48:12,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:48:12,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:48:12,980 INFO L74 IsIncluded]: Start isIncluded. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-27 19:48:12,980 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-27 19:48:12,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:48:12,984 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-27 19:48:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-27 19:48:12,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:48:12,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:48:12,985 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:48:12,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:48:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:48:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2022-04-27 19:48:12,988 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 107 transitions. Word has length 27 [2022-04-27 19:48:12,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:48:12,988 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 107 transitions. [2022-04-27 19:48:12,988 INFO L496 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, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-27 19:48:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2022-04-27 19:48:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-27 19:48:12,989 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:48:12,989 INFO L195 NwaCegarLoop]: 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] [2022-04-27 19:48:13,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-27 19:48:13,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:48:13,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:48:13,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:48:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2116787731, now seen corresponding path program 1 times [2022-04-27 19:48:13,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:48:13,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966304364] [2022-04-27 19:48:13,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:48:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:48:13,222 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:48:13,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095072910] [2022-04-27 19:48:13,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:48:13,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:48:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:48:13,243 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) [2022-04-27 19:48:13,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-27 19:48:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:48:13,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjunts are in the unsatisfiable core [2022-04-27 19:48:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:48:13,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:48:15,163 INFO L272 TraceCheckUtils]: 0: Hoare triple {1460#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:48:15,163 INFO L290 TraceCheckUtils]: 1: Hoare triple {1460#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {1460#true} is VALID [2022-04-27 19:48:15,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {1460#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:48:15,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1460#true} {1460#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:48:15,164 INFO L272 TraceCheckUtils]: 4: Hoare triple {1460#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:48:15,164 INFO L290 TraceCheckUtils]: 5: Hoare triple {1460#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1460#true} is VALID [2022-04-27 19:48:15,164 INFO L272 TraceCheckUtils]: 6: Hoare triple {1460#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1460#true} is VALID [2022-04-27 19:48:15,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {1460#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1486#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 19:48:15,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {1486#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1490#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:48:15,166 INFO L290 TraceCheckUtils]: 9: Hoare triple {1490#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1490#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:48:15,166 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1490#(not (= |assume_abort_if_not_#in~cond| 0))} {1460#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1497#(<= 1 main_~y~0)} is VALID [2022-04-27 19:48:15,167 INFO L290 TraceCheckUtils]: 11: Hoare triple {1497#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:48:15,167 INFO L290 TraceCheckUtils]: 12: Hoare triple {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:48:15,168 INFO L290 TraceCheckUtils]: 13: Hoare triple {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:48:15,168 INFO L272 TraceCheckUtils]: 14: Hoare triple {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1460#true} is VALID [2022-04-27 19:48:15,168 INFO L290 TraceCheckUtils]: 15: Hoare triple {1460#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:48:15,169 INFO L290 TraceCheckUtils]: 16: Hoare triple {1514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= 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[] {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:48:15,169 INFO L290 TraceCheckUtils]: 17: Hoare triple {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:48:15,170 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:48:15,171 INFO L290 TraceCheckUtils]: 19: Hoare triple {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 19:48:15,172 INFO L290 TraceCheckUtils]: 20: Hoare triple {1501#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-27 19:48:15,173 INFO L290 TraceCheckUtils]: 21: Hoare triple {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [90] L46-2-->L33-1: 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] {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-27 19:48:15,174 INFO L290 TraceCheckUtils]: 22: Hoare triple {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-27 19:48:15,177 INFO L272 TraceCheckUtils]: 23: Hoare triple {1531#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1541#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:48:15,177 INFO L290 TraceCheckUtils]: 24: Hoare triple {1541#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1545#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:48:15,178 INFO L290 TraceCheckUtils]: 25: Hoare triple {1545#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1461#false} is VALID [2022-04-27 19:48:15,178 INFO L290 TraceCheckUtils]: 26: Hoare triple {1461#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1461#false} is VALID [2022-04-27 19:48:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:48:15,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:49:27,653 INFO L290 TraceCheckUtils]: 26: Hoare triple {1461#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1461#false} is VALID [2022-04-27 19:49:27,654 INFO L290 TraceCheckUtils]: 25: Hoare triple {1545#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1461#false} is VALID [2022-04-27 19:49:27,654 INFO L290 TraceCheckUtils]: 24: Hoare triple {1541#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1545#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:49:27,655 INFO L272 TraceCheckUtils]: 23: Hoare triple {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1541#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:49:27,655 INFO L290 TraceCheckUtils]: 22: Hoare triple {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-27 19:49:27,656 INFO L290 TraceCheckUtils]: 21: Hoare triple {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [90] L46-2-->L33-1: 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] {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-27 19:49:27,659 INFO L290 TraceCheckUtils]: 20: Hoare triple {1571#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1561#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-27 19:49:27,660 INFO L290 TraceCheckUtils]: 19: Hoare triple {1571#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1571#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-27 19:49:27,667 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1571#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-27 19:49:27,667 INFO L290 TraceCheckUtils]: 17: Hoare triple {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:49:27,671 INFO L290 TraceCheckUtils]: 16: Hoare triple {1588#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= 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[] {1518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 19:49:27,672 INFO L290 TraceCheckUtils]: 15: Hoare triple {1460#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1588#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 19:49:27,672 INFO L272 TraceCheckUtils]: 14: Hoare triple {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1460#true} is VALID [2022-04-27 19:49:27,672 INFO L290 TraceCheckUtils]: 13: Hoare triple {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-27 19:49:27,673 INFO L290 TraceCheckUtils]: 12: Hoare triple {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [90] L46-2-->L33-1: 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] {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-27 19:49:27,676 INFO L290 TraceCheckUtils]: 11: Hoare triple {1601#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1578#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-27 19:49:27,677 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1490#(not (= |assume_abort_if_not_#in~cond| 0))} {1460#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1601#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} is VALID [2022-04-27 19:49:27,677 INFO L290 TraceCheckUtils]: 9: Hoare triple {1490#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1490#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:27,677 INFO L290 TraceCheckUtils]: 8: Hoare triple {1614#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1490#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:27,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {1460#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1614#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-27 19:49:27,678 INFO L272 TraceCheckUtils]: 6: Hoare triple {1460#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1460#true} is VALID [2022-04-27 19:49:27,678 INFO L290 TraceCheckUtils]: 5: Hoare triple {1460#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1460#true} is VALID [2022-04-27 19:49:27,678 INFO L272 TraceCheckUtils]: 4: Hoare triple {1460#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:49:27,678 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1460#true} {1460#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:49:27,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {1460#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:49:27,679 INFO L290 TraceCheckUtils]: 1: Hoare triple {1460#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {1460#true} is VALID [2022-04-27 19:49:27,679 INFO L272 TraceCheckUtils]: 0: Hoare triple {1460#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1460#true} is VALID [2022-04-27 19:49:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:49:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:49:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966304364] [2022-04-27 19:49:27,679 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:49:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095072910] [2022-04-27 19:49:27,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095072910] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:49:27,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:49:27,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2022-04-27 19:49:27,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439765817] [2022-04-27 19:49:27,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:49:27,680 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-27 19:49:27,681 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:49:27,681 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:27,787 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:27,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-27 19:49:27,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:49:27,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-27 19:49:27,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-27 19:49:27,788 INFO L87 Difference]: Start difference. First operand 87 states and 107 transitions. Second operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:31,196 INFO L93 Difference]: Finished difference Result 125 states and 160 transitions. [2022-04-27 19:49:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-27 19:49:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-27 19:49:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:49:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 82 transitions. [2022-04-27 19:49:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:31,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 82 transitions. [2022-04-27 19:49:31,201 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 82 transitions. [2022-04-27 19:49:31,411 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:31,414 INFO L225 Difference]: With dead ends: 125 [2022-04-27 19:49:31,414 INFO L226 Difference]: Without dead ends: 121 [2022-04-27 19:49:31,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-04-27 19:49:31,415 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 110 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-27 19:49:31,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 151 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-27 19:49:31,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-27 19:49:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 79. [2022-04-27 19:49:31,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:49:31,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 19:49:31,422 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 19:49:31,422 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 19:49:31,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:31,427 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-27 19:49:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-27 19:49:31,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:31,427 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:31,428 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-27 19:49:31,428 INFO L87 Difference]: Start difference. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-27 19:49:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:31,432 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-27 19:49:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-27 19:49:31,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:31,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:31,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:49:31,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:49:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 19:49:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 96 transitions. [2022-04-27 19:49:31,436 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 96 transitions. Word has length 27 [2022-04-27 19:49:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:49:31,436 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 96 transitions. [2022-04-27 19:49:31,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2022-04-27 19:49:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-27 19:49:31,437 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:49:31,437 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:49:31,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-27 19:49:31,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:31,651 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:49:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:49:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash -410392694, now seen corresponding path program 1 times [2022-04-27 19:49:31,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:49:31,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516087807] [2022-04-27 19:49:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:31,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:49:31,668 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:49:31,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165539009] [2022-04-27 19:49:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:31,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:31,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:49:31,669 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) [2022-04-27 19:49:31,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-27 19:49:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:31,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-27 19:49:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:31,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:49:31,851 INFO L272 TraceCheckUtils]: 0: Hoare triple {2094#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,851 INFO L290 TraceCheckUtils]: 1: Hoare triple {2094#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {2094#true} is VALID [2022-04-27 19:49:31,851 INFO L290 TraceCheckUtils]: 2: Hoare triple {2094#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,852 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2094#true} {2094#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,852 INFO L272 TraceCheckUtils]: 4: Hoare triple {2094#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,852 INFO L290 TraceCheckUtils]: 5: Hoare triple {2094#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2094#true} is VALID [2022-04-27 19:49:31,852 INFO L272 TraceCheckUtils]: 6: Hoare triple {2094#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2094#true} is VALID [2022-04-27 19:49:31,852 INFO L290 TraceCheckUtils]: 7: Hoare triple {2094#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {2120#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 19:49:31,853 INFO L290 TraceCheckUtils]: 8: Hoare triple {2120#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {2124#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:31,853 INFO L290 TraceCheckUtils]: 9: Hoare triple {2124#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2124#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:31,854 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2124#(not (= |assume_abort_if_not_#in~cond| 0))} {2094#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2131#(<= 1 main_~y~0)} is VALID [2022-04-27 19:49:31,854 INFO L290 TraceCheckUtils]: 11: Hoare triple {2131#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {2135#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:31,855 INFO L290 TraceCheckUtils]: 12: Hoare triple {2135#(<= 1 main_~b~0)} [90] L46-2-->L33-1: 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] {2135#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:31,855 INFO L290 TraceCheckUtils]: 13: Hoare triple {2135#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2135#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:31,855 INFO L272 TraceCheckUtils]: 14: Hoare triple {2135#(<= 1 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2094#true} is VALID [2022-04-27 19:49:31,855 INFO L290 TraceCheckUtils]: 15: Hoare triple {2094#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2094#true} is VALID [2022-04-27 19:49:31,855 INFO L290 TraceCheckUtils]: 16: Hoare triple {2094#true} [102] L12-->L12-2: Formula: (not (= 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[] {2094#true} is VALID [2022-04-27 19:49:31,855 INFO L290 TraceCheckUtils]: 17: Hoare triple {2094#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,856 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2094#true} {2135#(<= 1 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2135#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:31,857 INFO L290 TraceCheckUtils]: 19: Hoare triple {2135#(<= 1 main_~b~0)} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {2160#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-27 19:49:31,857 INFO L272 TraceCheckUtils]: 20: Hoare triple {2160#(and (= main_~a~0 0) (<= 1 main_~b~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2094#true} is VALID [2022-04-27 19:49:31,857 INFO L290 TraceCheckUtils]: 21: Hoare triple {2094#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2094#true} is VALID [2022-04-27 19:49:31,857 INFO L290 TraceCheckUtils]: 22: Hoare triple {2094#true} [102] L12-->L12-2: Formula: (not (= 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[] {2094#true} is VALID [2022-04-27 19:49:31,857 INFO L290 TraceCheckUtils]: 23: Hoare triple {2094#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2094#true} is VALID [2022-04-27 19:49:31,858 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {2094#true} {2160#(and (= main_~a~0 0) (<= 1 main_~b~0))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2160#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-27 19:49:31,859 INFO L272 TraceCheckUtils]: 25: Hoare triple {2160#(and (= main_~a~0 0) (<= 1 main_~b~0))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {2179#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:49:31,859 INFO L290 TraceCheckUtils]: 26: Hoare triple {2179#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2183#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:49:31,859 INFO L290 TraceCheckUtils]: 27: Hoare triple {2183#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2095#false} is VALID [2022-04-27 19:49:31,860 INFO L290 TraceCheckUtils]: 28: Hoare triple {2095#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2095#false} is VALID [2022-04-27 19:49:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 19:49:31,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:49:31,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:49:31,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516087807] [2022-04-27 19:49:31,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:49:31,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165539009] [2022-04-27 19:49:31,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165539009] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:49:31,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:49:31,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-27 19:49:31,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915423405] [2022-04-27 19:49:31,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:49:31,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-27 19:49:31,861 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:49:31,861 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 19:49:31,884 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:31,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-27 19:49:31,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:49:31,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-27 19:49:31,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-04-27 19:49:31,885 INFO L87 Difference]: Start difference. First operand 79 states and 96 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 19:49:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:32,206 INFO L93 Difference]: Finished difference Result 114 states and 148 transitions. [2022-04-27 19:49:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-27 19:49:32,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-27 19:49:32,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:49:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 19:49:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 56 transitions. [2022-04-27 19:49:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 19:49:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 56 transitions. [2022-04-27 19:49:32,209 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 56 transitions. [2022-04-27 19:49:32,269 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:32,272 INFO L225 Difference]: With dead ends: 114 [2022-04-27 19:49:32,272 INFO L226 Difference]: Without dead ends: 104 [2022-04-27 19:49:32,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-04-27 19:49:32,273 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 33 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:49:32,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 157 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:49:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-04-27 19:49:32,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2022-04-27 19:49:32,282 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:49:32,283 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 19:49:32,283 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 19:49:32,283 INFO L87 Difference]: Start difference. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 19:49:32,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:32,296 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-27 19:49:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-27 19:49:32,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:32,297 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:32,297 INFO L74 IsIncluded]: Start isIncluded. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-27 19:49:32,298 INFO L87 Difference]: Start difference. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-27 19:49:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:32,302 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-27 19:49:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-27 19:49:32,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:32,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:32,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:49:32,303 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:49:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 19:49:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2022-04-27 19:49:32,308 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 29 [2022-04-27 19:49:32,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:49:32,308 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2022-04-27 19:49:32,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 19:49:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2022-04-27 19:49:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-27 19:49:32,310 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:49:32,310 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2022-04-27 19:49:32,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-27 19:49:32,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:32,533 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:49:32,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:49:32,534 INFO L85 PathProgramCache]: Analyzing trace with hash 159893073, now seen corresponding path program 1 times [2022-04-27 19:49:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:49:32,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544696175] [2022-04-27 19:49:32,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:49:32,546 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:49:32,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113678521] [2022-04-27 19:49:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:32,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:32,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:49:32,547 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:49:32,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-27 19:49:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:32,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 19:49:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:32,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:49:32,730 INFO L272 TraceCheckUtils]: 0: Hoare triple {2618#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,730 INFO L290 TraceCheckUtils]: 1: Hoare triple {2618#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {2618#true} is VALID [2022-04-27 19:49:32,730 INFO L290 TraceCheckUtils]: 2: Hoare triple {2618#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2618#true} {2618#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L272 TraceCheckUtils]: 4: Hoare triple {2618#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L290 TraceCheckUtils]: 5: Hoare triple {2618#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L272 TraceCheckUtils]: 6: Hoare triple {2618#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L290 TraceCheckUtils]: 7: Hoare triple {2618#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {2618#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,731 INFO L290 TraceCheckUtils]: 9: Hoare triple {2618#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,762 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2618#true} {2618#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 11: Hoare triple {2618#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 12: Hoare triple {2618#true} [90] L46-2-->L33-1: 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] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 13: Hoare triple {2618#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L272 TraceCheckUtils]: 14: Hoare triple {2618#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 15: Hoare triple {2618#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 16: Hoare triple {2618#true} [102] L12-->L12-2: Formula: (not (= 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[] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L290 TraceCheckUtils]: 17: Hoare triple {2618#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,763 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2618#true} {2618#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2618#true} is VALID [2022-04-27 19:49:32,765 INFO L290 TraceCheckUtils]: 19: Hoare triple {2618#true} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,766 INFO L290 TraceCheckUtils]: 20: Hoare triple {2680#(not (= main_~a~0 0))} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,766 INFO L290 TraceCheckUtils]: 21: Hoare triple {2680#(not (= main_~a~0 0))} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,767 INFO L290 TraceCheckUtils]: 22: Hoare triple {2680#(not (= main_~a~0 0))} [113] L46-->L46-2: Formula: (and (= v_main_~q~0_3 (+ (* v_main_~a~0_5 v_main_~p~0_2) v_main_~q~0_4)) (= (+ (- 1) v_main_~b~0_5) v_main_~b~0_4) (= (let ((.cse0 (mod v_main_~a~0_5 2))) (ite (and (not (= .cse0 0)) (< v_main_~a~0_5 0)) (+ .cse0 (- 2)) .cse0)) 0) (= (let ((.cse1 (mod v_main_~b~0_5 2))) (ite (and (< v_main_~b~0_5 0) (not (= 0 .cse1))) (+ (- 2) .cse1) .cse1)) 1)) InVars {main_~q~0=v_main_~q~0_4, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} OutVars{main_~q~0=v_main_~q~0_3, main_~b~0=v_main_~b~0_4, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_~q~0, main_~b~0] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,767 INFO L290 TraceCheckUtils]: 23: Hoare triple {2680#(not (= main_~a~0 0))} [90] L46-2-->L33-1: 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] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,767 INFO L290 TraceCheckUtils]: 24: Hoare triple {2680#(not (= main_~a~0 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,767 INFO L272 TraceCheckUtils]: 25: Hoare triple {2680#(not (= main_~a~0 0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2618#true} is VALID [2022-04-27 19:49:32,767 INFO L290 TraceCheckUtils]: 26: Hoare triple {2618#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2618#true} is VALID [2022-04-27 19:49:32,768 INFO L290 TraceCheckUtils]: 27: Hoare triple {2618#true} [102] L12-->L12-2: Formula: (not (= 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[] {2618#true} is VALID [2022-04-27 19:49:32,768 INFO L290 TraceCheckUtils]: 28: Hoare triple {2618#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,768 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {2618#true} {2680#(not (= main_~a~0 0))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2680#(not (= main_~a~0 0))} is VALID [2022-04-27 19:49:32,769 INFO L290 TraceCheckUtils]: 30: Hoare triple {2680#(not (= main_~a~0 0))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {2714#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-27 19:49:32,769 INFO L272 TraceCheckUtils]: 31: Hoare triple {2714#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2618#true} is VALID [2022-04-27 19:49:32,769 INFO L290 TraceCheckUtils]: 32: Hoare triple {2618#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2618#true} is VALID [2022-04-27 19:49:32,769 INFO L290 TraceCheckUtils]: 33: Hoare triple {2618#true} [102] L12-->L12-2: Formula: (not (= 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[] {2618#true} is VALID [2022-04-27 19:49:32,769 INFO L290 TraceCheckUtils]: 34: Hoare triple {2618#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2618#true} is VALID [2022-04-27 19:49:32,770 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {2618#true} {2714#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2714#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-27 19:49:32,770 INFO L272 TraceCheckUtils]: 36: Hoare triple {2714#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {2733#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:49:32,771 INFO L290 TraceCheckUtils]: 37: Hoare triple {2733#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2737#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:49:32,771 INFO L290 TraceCheckUtils]: 38: Hoare triple {2737#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2619#false} is VALID [2022-04-27 19:49:32,771 INFO L290 TraceCheckUtils]: 39: Hoare triple {2619#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2619#false} is VALID [2022-04-27 19:49:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 19:49:32,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:49:32,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:49:32,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544696175] [2022-04-27 19:49:32,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:49:32,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113678521] [2022-04-27 19:49:32,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113678521] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:49:32,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:49:32,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 19:49:32,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395431743] [2022-04-27 19:49:32,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:49:32,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-27 19:49:32,775 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:49:32,775 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:32,800 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:32,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 19:49:32,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:49:32,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 19:49:32,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-27 19:49:32,801 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:32,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:32,953 INFO L93 Difference]: Finished difference Result 139 states and 177 transitions. [2022-04-27 19:49:32,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 19:49:32,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-27 19:49:32,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:49:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2022-04-27 19:49:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2022-04-27 19:49:32,956 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 50 transitions. [2022-04-27 19:49:33,000 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:33,002 INFO L225 Difference]: With dead ends: 139 [2022-04-27 19:49:33,002 INFO L226 Difference]: Without dead ends: 129 [2022-04-27 19:49:33,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-04-27 19:49:33,003 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:49:33,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 116 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:49:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-04-27 19:49:33,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 113. [2022-04-27 19:49:33,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:49:33,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 19:49:33,010 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 19:49:33,010 INFO L87 Difference]: Start difference. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 19:49:33,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:33,014 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-27 19:49:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-27 19:49:33,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:33,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:33,015 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-27 19:49:33,015 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-27 19:49:33,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:33,019 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-27 19:49:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-27 19:49:33,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:33,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:33,020 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:49:33,020 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:49:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 19:49:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 143 transitions. [2022-04-27 19:49:33,023 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 143 transitions. Word has length 40 [2022-04-27 19:49:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:49:33,024 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 143 transitions. [2022-04-27 19:49:33,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 19:49:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2022-04-27 19:49:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-27 19:49:33,024 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:49:33,025 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2022-04-27 19:49:33,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-27 19:49:33,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:33,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:49:33,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:49:33,242 INFO L85 PathProgramCache]: Analyzing trace with hash -837179280, now seen corresponding path program 1 times [2022-04-27 19:49:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:49:33,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504176954] [2022-04-27 19:49:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:49:33,253 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:49:33,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502464885] [2022-04-27 19:49:33,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:33,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:33,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:49:33,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:49:33,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-27 19:49:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:33,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-27 19:49:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:33,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:49:33,555 WARN L828 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-27 19:49:33,589 INFO L272 TraceCheckUtils]: 0: Hoare triple {3255#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,589 INFO L290 TraceCheckUtils]: 1: Hoare triple {3255#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L290 TraceCheckUtils]: 2: Hoare triple {3255#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3255#true} {3255#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L272 TraceCheckUtils]: 4: Hoare triple {3255#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L290 TraceCheckUtils]: 5: Hoare triple {3255#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L272 TraceCheckUtils]: 6: Hoare triple {3255#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3255#true} is VALID [2022-04-27 19:49:33,590 INFO L290 TraceCheckUtils]: 7: Hoare triple {3255#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {3281#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 19:49:33,591 INFO L290 TraceCheckUtils]: 8: Hoare triple {3281#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {3285#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:33,591 INFO L290 TraceCheckUtils]: 9: Hoare triple {3285#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3285#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 19:49:33,591 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3285#(not (= |assume_abort_if_not_#in~cond| 0))} {3255#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3292#(<= 1 main_~y~0)} is VALID [2022-04-27 19:49:33,592 INFO L290 TraceCheckUtils]: 11: Hoare triple {3292#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,592 INFO L290 TraceCheckUtils]: 12: Hoare triple {3296#(<= 1 main_~b~0)} [90] L46-2-->L33-1: 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] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,592 INFO L290 TraceCheckUtils]: 13: Hoare triple {3296#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,592 INFO L272 TraceCheckUtils]: 14: Hoare triple {3296#(<= 1 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,593 INFO L290 TraceCheckUtils]: 15: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,593 INFO L290 TraceCheckUtils]: 16: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,593 INFO L290 TraceCheckUtils]: 17: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,593 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3255#true} {3296#(<= 1 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,594 INFO L290 TraceCheckUtils]: 19: Hoare triple {3296#(<= 1 main_~b~0)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,594 INFO L290 TraceCheckUtils]: 20: Hoare triple {3296#(<= 1 main_~b~0)} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,595 INFO L290 TraceCheckUtils]: 21: Hoare triple {3296#(<= 1 main_~b~0)} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3296#(<= 1 main_~b~0)} is VALID [2022-04-27 19:49:33,596 INFO L290 TraceCheckUtils]: 22: Hoare triple {3296#(<= 1 main_~b~0)} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3330#(<= 0 main_~b~0)} is VALID [2022-04-27 19:49:33,596 INFO L290 TraceCheckUtils]: 23: Hoare triple {3330#(<= 0 main_~b~0)} [90] L46-2-->L33-1: 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] {3330#(<= 0 main_~b~0)} is VALID [2022-04-27 19:49:33,597 INFO L290 TraceCheckUtils]: 24: Hoare triple {3330#(<= 0 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3330#(<= 0 main_~b~0)} is VALID [2022-04-27 19:49:33,597 INFO L272 TraceCheckUtils]: 25: Hoare triple {3330#(<= 0 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,597 INFO L290 TraceCheckUtils]: 26: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,597 INFO L290 TraceCheckUtils]: 27: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,597 INFO L290 TraceCheckUtils]: 28: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,598 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3255#true} {3330#(<= 0 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3330#(<= 0 main_~b~0)} is VALID [2022-04-27 19:49:33,599 INFO L290 TraceCheckUtils]: 30: Hoare triple {3330#(<= 0 main_~b~0)} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {3355#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-27 19:49:33,599 INFO L272 TraceCheckUtils]: 31: Hoare triple {3355#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3255#true} is VALID [2022-04-27 19:49:33,599 INFO L290 TraceCheckUtils]: 32: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,599 INFO L290 TraceCheckUtils]: 33: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,599 INFO L290 TraceCheckUtils]: 34: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,600 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3255#true} {3355#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3355#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-27 19:49:33,602 INFO L272 TraceCheckUtils]: 36: Hoare triple {3355#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {3374#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:49:33,602 INFO L290 TraceCheckUtils]: 37: Hoare triple {3374#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3378#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:49:33,603 INFO L290 TraceCheckUtils]: 38: Hoare triple {3378#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3256#false} is VALID [2022-04-27 19:49:33,603 INFO L290 TraceCheckUtils]: 39: Hoare triple {3256#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3256#false} is VALID [2022-04-27 19:49:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 19:49:33,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:49:33,815 INFO L290 TraceCheckUtils]: 39: Hoare triple {3256#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3256#false} is VALID [2022-04-27 19:49:33,816 INFO L290 TraceCheckUtils]: 38: Hoare triple {3378#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3256#false} is VALID [2022-04-27 19:49:33,816 INFO L290 TraceCheckUtils]: 37: Hoare triple {3374#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3378#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:49:33,817 INFO L272 TraceCheckUtils]: 36: Hoare triple {3394#(= (* main_~b~0 main_~a~0) 0)} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {3374#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:49:33,817 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3255#true} {3394#(= (* main_~b~0 main_~a~0) 0)} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3394#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-27 19:49:33,818 INFO L290 TraceCheckUtils]: 34: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,818 INFO L290 TraceCheckUtils]: 33: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,818 INFO L290 TraceCheckUtils]: 32: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,818 INFO L272 TraceCheckUtils]: 31: Hoare triple {3394#(= (* main_~b~0 main_~a~0) 0)} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3255#true} is VALID [2022-04-27 19:49:33,820 INFO L290 TraceCheckUtils]: 30: Hoare triple {3255#true} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {3394#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-27 19:49:33,820 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3255#true} {3255#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,820 INFO L290 TraceCheckUtils]: 28: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 27: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 26: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L272 TraceCheckUtils]: 25: Hoare triple {3255#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 24: Hoare triple {3255#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 23: Hoare triple {3255#true} [90] L46-2-->L33-1: 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] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 22: Hoare triple {3255#true} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 21: Hoare triple {3255#true} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,821 INFO L290 TraceCheckUtils]: 20: Hoare triple {3255#true} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 19: Hoare triple {3255#true} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3255#true} {3255#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 17: Hoare triple {3255#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 16: Hoare triple {3255#true} [102] L12-->L12-2: Formula: (not (= 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[] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 15: Hoare triple {3255#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L272 TraceCheckUtils]: 14: Hoare triple {3255#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 13: Hoare triple {3255#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 12: Hoare triple {3255#true} [90] L46-2-->L33-1: 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] {3255#true} is VALID [2022-04-27 19:49:33,822 INFO L290 TraceCheckUtils]: 11: Hoare triple {3255#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3255#true} {3255#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L290 TraceCheckUtils]: 9: Hoare triple {3255#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L290 TraceCheckUtils]: 8: Hoare triple {3255#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L290 TraceCheckUtils]: 7: Hoare triple {3255#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L272 TraceCheckUtils]: 6: Hoare triple {3255#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L290 TraceCheckUtils]: 5: Hoare triple {3255#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L272 TraceCheckUtils]: 4: Hoare triple {3255#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3255#true} {3255#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,823 INFO L290 TraceCheckUtils]: 2: Hoare triple {3255#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,824 INFO L290 TraceCheckUtils]: 1: Hoare triple {3255#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {3255#true} is VALID [2022-04-27 19:49:33,824 INFO L272 TraceCheckUtils]: 0: Hoare triple {3255#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3255#true} is VALID [2022-04-27 19:49:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-27 19:49:33,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:49:33,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504176954] [2022-04-27 19:49:33,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:49:33,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502464885] [2022-04-27 19:49:33,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502464885] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-27 19:49:33,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-27 19:49:33,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2022-04-27 19:49:33,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707552879] [2022-04-27 19:49:33,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:49:33,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-04-27 19:49:33,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:49:33,826 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-27 19:49:33,850 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:33,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 19:49:33,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:49:33,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 19:49:33,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-04-27 19:49:33,851 INFO L87 Difference]: Start difference. First operand 113 states and 143 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-27 19:49:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:34,124 INFO L93 Difference]: Finished difference Result 118 states and 146 transitions. [2022-04-27 19:49:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 19:49:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-04-27 19:49:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:49:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-27 19:49:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-04-27 19:49:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-27 19:49:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-04-27 19:49:34,126 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 40 transitions. [2022-04-27 19:49:34,160 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:34,161 INFO L225 Difference]: With dead ends: 118 [2022-04-27 19:49:34,162 INFO L226 Difference]: Without dead ends: 100 [2022-04-27 19:49:34,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-04-27 19:49:34,162 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:49:34,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 122 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:49:34,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-04-27 19:49:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 66. [2022-04-27 19:49:34,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:49:34,166 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:49:34,167 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:49:34,167 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:49:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:34,170 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-27 19:49:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-27 19:49:34,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:34,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:34,171 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-27 19:49:34,171 INFO L87 Difference]: Start difference. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-27 19:49:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:34,174 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-27 19:49:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-27 19:49:34,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:34,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:34,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:49:34,174 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:49:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 19:49:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-04-27 19:49:34,176 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 40 [2022-04-27 19:49:34,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:49:34,176 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-04-27 19:49:34,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-27 19:49:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-04-27 19:49:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-27 19:49:34,177 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:49:34,177 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:49:34,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-27 19:49:34,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-27 19:49:34,392 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:49:34,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:49:34,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1169624165, now seen corresponding path program 2 times [2022-04-27 19:49:34,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:49:34,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575430620] [2022-04-27 19:49:34,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:34,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:49:34,405 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:49:34,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475767372] [2022-04-27 19:49:34,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-27 19:49:34,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:34,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:49:34,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:49:34,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-27 19:49:34,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-27 19:49:34,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-27 19:49:34,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-27 19:49:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:49:34,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:49:34,760 INFO L272 TraceCheckUtils]: 0: Hoare triple {3891#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:34,761 INFO L290 TraceCheckUtils]: 1: Hoare triple {3891#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,761 INFO L290 TraceCheckUtils]: 2: Hoare triple {3899#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,762 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3899#(<= ~counter~0 0)} {3891#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,762 INFO L272 TraceCheckUtils]: 4: Hoare triple {3899#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,762 INFO L290 TraceCheckUtils]: 5: Hoare triple {3899#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,763 INFO L272 TraceCheckUtils]: 6: Hoare triple {3899#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,763 INFO L290 TraceCheckUtils]: 7: Hoare triple {3899#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,764 INFO L290 TraceCheckUtils]: 8: Hoare triple {3899#(<= ~counter~0 0)} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,764 INFO L290 TraceCheckUtils]: 9: Hoare triple {3899#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,764 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3899#(<= ~counter~0 0)} {3899#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,765 INFO L290 TraceCheckUtils]: 11: Hoare triple {3899#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3899#(<= ~counter~0 0)} is VALID [2022-04-27 19:49:34,765 INFO L290 TraceCheckUtils]: 12: Hoare triple {3899#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,766 INFO L290 TraceCheckUtils]: 13: Hoare triple {3933#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,767 INFO L272 TraceCheckUtils]: 14: Hoare triple {3933#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,767 INFO L290 TraceCheckUtils]: 15: Hoare triple {3933#(<= ~counter~0 1)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,767 INFO L290 TraceCheckUtils]: 16: Hoare triple {3933#(<= ~counter~0 1)} [102] L12-->L12-2: Formula: (not (= 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[] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,768 INFO L290 TraceCheckUtils]: 17: Hoare triple {3933#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,769 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3933#(<= ~counter~0 1)} {3933#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,769 INFO L290 TraceCheckUtils]: 19: Hoare triple {3933#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,770 INFO L290 TraceCheckUtils]: 20: Hoare triple {3933#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {3933#(<= ~counter~0 1)} is VALID [2022-04-27 19:49:34,770 INFO L290 TraceCheckUtils]: 21: Hoare triple {3933#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,771 INFO L290 TraceCheckUtils]: 22: Hoare triple {3961#(<= ~counter~0 2)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,771 INFO L272 TraceCheckUtils]: 23: Hoare triple {3961#(<= ~counter~0 2)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,772 INFO L290 TraceCheckUtils]: 24: Hoare triple {3961#(<= ~counter~0 2)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,772 INFO L290 TraceCheckUtils]: 25: Hoare triple {3961#(<= ~counter~0 2)} [102] L12-->L12-2: Formula: (not (= 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[] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,773 INFO L290 TraceCheckUtils]: 26: Hoare triple {3961#(<= ~counter~0 2)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,774 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {3961#(<= ~counter~0 2)} {3961#(<= ~counter~0 2)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,774 INFO L290 TraceCheckUtils]: 28: Hoare triple {3961#(<= ~counter~0 2)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,774 INFO L290 TraceCheckUtils]: 29: Hoare triple {3961#(<= ~counter~0 2)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {3961#(<= ~counter~0 2)} is VALID [2022-04-27 19:49:34,775 INFO L290 TraceCheckUtils]: 30: Hoare triple {3961#(<= ~counter~0 2)} [90] L46-2-->L33-1: 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] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,775 INFO L290 TraceCheckUtils]: 31: Hoare triple {3989#(<= ~counter~0 3)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,776 INFO L272 TraceCheckUtils]: 32: Hoare triple {3989#(<= ~counter~0 3)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,777 INFO L290 TraceCheckUtils]: 33: Hoare triple {3989#(<= ~counter~0 3)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,777 INFO L290 TraceCheckUtils]: 34: Hoare triple {3989#(<= ~counter~0 3)} [102] L12-->L12-2: Formula: (not (= 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[] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,777 INFO L290 TraceCheckUtils]: 35: Hoare triple {3989#(<= ~counter~0 3)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,778 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3989#(<= ~counter~0 3)} {3989#(<= ~counter~0 3)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,779 INFO L290 TraceCheckUtils]: 37: Hoare triple {3989#(<= ~counter~0 3)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,779 INFO L290 TraceCheckUtils]: 38: Hoare triple {3989#(<= ~counter~0 3)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {3989#(<= ~counter~0 3)} is VALID [2022-04-27 19:49:34,780 INFO L290 TraceCheckUtils]: 39: Hoare triple {3989#(<= ~counter~0 3)} [90] L46-2-->L33-1: 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] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,780 INFO L290 TraceCheckUtils]: 40: Hoare triple {4017#(<= ~counter~0 4)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,781 INFO L272 TraceCheckUtils]: 41: Hoare triple {4017#(<= ~counter~0 4)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,781 INFO L290 TraceCheckUtils]: 42: Hoare triple {4017#(<= ~counter~0 4)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,782 INFO L290 TraceCheckUtils]: 43: Hoare triple {4017#(<= ~counter~0 4)} [102] L12-->L12-2: Formula: (not (= 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[] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,782 INFO L290 TraceCheckUtils]: 44: Hoare triple {4017#(<= ~counter~0 4)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,783 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4017#(<= ~counter~0 4)} {4017#(<= ~counter~0 4)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,783 INFO L290 TraceCheckUtils]: 46: Hoare triple {4017#(<= ~counter~0 4)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,784 INFO L290 TraceCheckUtils]: 47: Hoare triple {4017#(<= ~counter~0 4)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4017#(<= ~counter~0 4)} is VALID [2022-04-27 19:49:34,784 INFO L290 TraceCheckUtils]: 48: Hoare triple {4017#(<= ~counter~0 4)} [90] L46-2-->L33-1: 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] {4045#(<= |main_#t~post6| 4)} is VALID [2022-04-27 19:49:34,785 INFO L290 TraceCheckUtils]: 49: Hoare triple {4045#(<= |main_#t~post6| 4)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3892#false} is VALID [2022-04-27 19:49:34,785 INFO L272 TraceCheckUtils]: 50: Hoare triple {3892#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3892#false} is VALID [2022-04-27 19:49:34,785 INFO L290 TraceCheckUtils]: 51: Hoare triple {3892#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3892#false} is VALID [2022-04-27 19:49:34,785 INFO L290 TraceCheckUtils]: 52: Hoare triple {3892#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3892#false} is VALID [2022-04-27 19:49:34,785 INFO L290 TraceCheckUtils]: 53: Hoare triple {3892#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3892#false} is VALID [2022-04-27 19:49:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 19:49:34,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 19:49:35,081 INFO L290 TraceCheckUtils]: 53: Hoare triple {3892#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3892#false} is VALID [2022-04-27 19:49:35,081 INFO L290 TraceCheckUtils]: 52: Hoare triple {3892#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3892#false} is VALID [2022-04-27 19:49:35,081 INFO L290 TraceCheckUtils]: 51: Hoare triple {3892#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3892#false} is VALID [2022-04-27 19:49:35,081 INFO L272 TraceCheckUtils]: 50: Hoare triple {3892#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3892#false} is VALID [2022-04-27 19:49:35,082 INFO L290 TraceCheckUtils]: 49: Hoare triple {4073#(< |main_#t~post6| 10)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3892#false} is VALID [2022-04-27 19:49:35,082 INFO L290 TraceCheckUtils]: 48: Hoare triple {4077#(< ~counter~0 10)} [90] L46-2-->L33-1: 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] {4073#(< |main_#t~post6| 10)} is VALID [2022-04-27 19:49:35,082 INFO L290 TraceCheckUtils]: 47: Hoare triple {4077#(< ~counter~0 10)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4077#(< ~counter~0 10)} is VALID [2022-04-27 19:49:35,083 INFO L290 TraceCheckUtils]: 46: Hoare triple {4077#(< ~counter~0 10)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4077#(< ~counter~0 10)} is VALID [2022-04-27 19:49:35,083 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3891#true} {4077#(< ~counter~0 10)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4077#(< ~counter~0 10)} is VALID [2022-04-27 19:49:35,083 INFO L290 TraceCheckUtils]: 44: Hoare triple {3891#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,083 INFO L290 TraceCheckUtils]: 43: Hoare triple {3891#true} [102] L12-->L12-2: Formula: (not (= 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[] {3891#true} is VALID [2022-04-27 19:49:35,084 INFO L290 TraceCheckUtils]: 42: Hoare triple {3891#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3891#true} is VALID [2022-04-27 19:49:35,084 INFO L272 TraceCheckUtils]: 41: Hoare triple {4077#(< ~counter~0 10)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3891#true} is VALID [2022-04-27 19:49:35,084 INFO L290 TraceCheckUtils]: 40: Hoare triple {4077#(< ~counter~0 10)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4077#(< ~counter~0 10)} is VALID [2022-04-27 19:49:35,089 INFO L290 TraceCheckUtils]: 39: Hoare triple {4105#(< ~counter~0 9)} [90] L46-2-->L33-1: 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] {4077#(< ~counter~0 10)} is VALID [2022-04-27 19:49:35,089 INFO L290 TraceCheckUtils]: 38: Hoare triple {4105#(< ~counter~0 9)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4105#(< ~counter~0 9)} is VALID [2022-04-27 19:49:35,089 INFO L290 TraceCheckUtils]: 37: Hoare triple {4105#(< ~counter~0 9)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4105#(< ~counter~0 9)} is VALID [2022-04-27 19:49:35,090 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3891#true} {4105#(< ~counter~0 9)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4105#(< ~counter~0 9)} is VALID [2022-04-27 19:49:35,090 INFO L290 TraceCheckUtils]: 35: Hoare triple {3891#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,090 INFO L290 TraceCheckUtils]: 34: Hoare triple {3891#true} [102] L12-->L12-2: Formula: (not (= 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[] {3891#true} is VALID [2022-04-27 19:49:35,090 INFO L290 TraceCheckUtils]: 33: Hoare triple {3891#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3891#true} is VALID [2022-04-27 19:49:35,090 INFO L272 TraceCheckUtils]: 32: Hoare triple {4105#(< ~counter~0 9)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3891#true} is VALID [2022-04-27 19:49:35,090 INFO L290 TraceCheckUtils]: 31: Hoare triple {4105#(< ~counter~0 9)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4105#(< ~counter~0 9)} is VALID [2022-04-27 19:49:35,091 INFO L290 TraceCheckUtils]: 30: Hoare triple {4133#(< ~counter~0 8)} [90] L46-2-->L33-1: 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] {4105#(< ~counter~0 9)} is VALID [2022-04-27 19:49:35,091 INFO L290 TraceCheckUtils]: 29: Hoare triple {4133#(< ~counter~0 8)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4133#(< ~counter~0 8)} is VALID [2022-04-27 19:49:35,091 INFO L290 TraceCheckUtils]: 28: Hoare triple {4133#(< ~counter~0 8)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4133#(< ~counter~0 8)} is VALID [2022-04-27 19:49:35,092 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {3891#true} {4133#(< ~counter~0 8)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4133#(< ~counter~0 8)} is VALID [2022-04-27 19:49:35,092 INFO L290 TraceCheckUtils]: 26: Hoare triple {3891#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,092 INFO L290 TraceCheckUtils]: 25: Hoare triple {3891#true} [102] L12-->L12-2: Formula: (not (= 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[] {3891#true} is VALID [2022-04-27 19:49:35,092 INFO L290 TraceCheckUtils]: 24: Hoare triple {3891#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3891#true} is VALID [2022-04-27 19:49:35,092 INFO L272 TraceCheckUtils]: 23: Hoare triple {4133#(< ~counter~0 8)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3891#true} is VALID [2022-04-27 19:49:35,093 INFO L290 TraceCheckUtils]: 22: Hoare triple {4133#(< ~counter~0 8)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4133#(< ~counter~0 8)} is VALID [2022-04-27 19:49:35,093 INFO L290 TraceCheckUtils]: 21: Hoare triple {4161#(< ~counter~0 7)} [90] L46-2-->L33-1: 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] {4133#(< ~counter~0 8)} is VALID [2022-04-27 19:49:35,093 INFO L290 TraceCheckUtils]: 20: Hoare triple {4161#(< ~counter~0 7)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4161#(< ~counter~0 7)} is VALID [2022-04-27 19:49:35,094 INFO L290 TraceCheckUtils]: 19: Hoare triple {4161#(< ~counter~0 7)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4161#(< ~counter~0 7)} is VALID [2022-04-27 19:49:35,094 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3891#true} {4161#(< ~counter~0 7)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4161#(< ~counter~0 7)} is VALID [2022-04-27 19:49:35,094 INFO L290 TraceCheckUtils]: 17: Hoare triple {3891#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,094 INFO L290 TraceCheckUtils]: 16: Hoare triple {3891#true} [102] L12-->L12-2: Formula: (not (= 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[] {3891#true} is VALID [2022-04-27 19:49:35,094 INFO L290 TraceCheckUtils]: 15: Hoare triple {3891#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3891#true} is VALID [2022-04-27 19:49:35,094 INFO L272 TraceCheckUtils]: 14: Hoare triple {4161#(< ~counter~0 7)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3891#true} is VALID [2022-04-27 19:49:35,095 INFO L290 TraceCheckUtils]: 13: Hoare triple {4161#(< ~counter~0 7)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4161#(< ~counter~0 7)} is VALID [2022-04-27 19:49:35,095 INFO L290 TraceCheckUtils]: 12: Hoare triple {4189#(< ~counter~0 6)} [90] L46-2-->L33-1: 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] {4161#(< ~counter~0 7)} is VALID [2022-04-27 19:49:35,095 INFO L290 TraceCheckUtils]: 11: Hoare triple {4189#(< ~counter~0 6)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,096 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3891#true} {4189#(< ~counter~0 6)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,096 INFO L290 TraceCheckUtils]: 9: Hoare triple {3891#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,096 INFO L290 TraceCheckUtils]: 8: Hoare triple {3891#true} [92] L9-->L9-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,096 INFO L290 TraceCheckUtils]: 7: Hoare triple {3891#true} [88] assume_abort_if_notENTRY-->L9: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {3891#true} is VALID [2022-04-27 19:49:35,096 INFO L272 TraceCheckUtils]: 6: Hoare triple {4189#(< ~counter~0 6)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3891#true} is VALID [2022-04-27 19:49:35,097 INFO L290 TraceCheckUtils]: 5: Hoare triple {4189#(< ~counter~0 6)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,098 INFO L272 TraceCheckUtils]: 4: Hoare triple {4189#(< ~counter~0 6)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,098 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4189#(< ~counter~0 6)} {3891#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,098 INFO L290 TraceCheckUtils]: 2: Hoare triple {4189#(< ~counter~0 6)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,099 INFO L290 TraceCheckUtils]: 1: Hoare triple {3891#true} [82] 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) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (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] {4189#(< ~counter~0 6)} is VALID [2022-04-27 19:49:35,099 INFO L272 TraceCheckUtils]: 0: Hoare triple {3891#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3891#true} is VALID [2022-04-27 19:49:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 19:49:35,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:49:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575430620] [2022-04-27 19:49:35,099 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:49:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475767372] [2022-04-27 19:49:35,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475767372] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 19:49:35,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 19:49:35,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-04-27 19:49:35,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788206294] [2022-04-27 19:49:35,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 19:49:35,100 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 54 [2022-04-27 19:49:35,100 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:49:35,101 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-27 19:49:35,165 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:35,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-27 19:49:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:49:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-27 19:49:35,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-04-27 19:49:35,166 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-27 19:49:35,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:35,560 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2022-04-27 19:49:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-27 19:49:35,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 54 [2022-04-27 19:49:35,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:49:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-27 19:49:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 166 transitions. [2022-04-27 19:49:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-27 19:49:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 166 transitions. [2022-04-27 19:49:35,577 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 166 transitions. [2022-04-27 19:49:35,701 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:49:35,703 INFO L225 Difference]: With dead ends: 132 [2022-04-27 19:49:35,703 INFO L226 Difference]: Without dead ends: 132 [2022-04-27 19:49:35,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2022-04-27 19:49:35,704 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 180 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:49:35,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 194 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:49:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-27 19:49:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-04-27 19:49:35,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:49:35,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 19:49:35,714 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 19:49:35,715 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 19:49:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:35,720 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2022-04-27 19:49:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-27 19:49:35,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:35,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:35,721 INFO L74 IsIncluded]: Start isIncluded. First operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 132 states. [2022-04-27 19:49:35,721 INFO L87 Difference]: Start difference. First operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 132 states. [2022-04-27 19:49:35,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:49:35,724 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2022-04-27 19:49:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-27 19:49:35,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:49:35,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:49:35,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:49:35,725 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:49:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 19:49:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 163 transitions. [2022-04-27 19:49:35,727 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 163 transitions. Word has length 54 [2022-04-27 19:49:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:49:35,727 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 163 transitions. [2022-04-27 19:49:35,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-27 19:49:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-27 19:49:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-04-27 19:49:35,728 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:49:35,729 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:49:35,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-04-27 19:49:35,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-27 19:49:35,953 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:49:35,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:49:35,953 INFO L85 PathProgramCache]: Analyzing trace with hash 93180219, now seen corresponding path program 3 times [2022-04-27 19:49:35,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:49:35,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148351733] [2022-04-27 19:49:35,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:49:35,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:49:35,973 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:49:35,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [822538917] [2022-04-27 19:49:35,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-27 19:49:35,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:49:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:49:35,974 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:49:35,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-27 19:49:36,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-04-27 19:49:36,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-27 19:49:36,135 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 19:49:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 19:49:36,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 19:49:36,304 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 19:49:36,305 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 19:49:36,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-27 19:49:36,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-27 19:49:36,529 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:49:36,532 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 19:49:36,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:49:36 BasicIcfg [2022-04-27 19:49:36,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 19:49:36,596 INFO L158 Benchmark]: Toolchain (without parser) took 142868.53ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 128.2MB in the beginning and 169.9MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 19:49:36,596 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory was 144.5MB in the beginning and 144.4MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 19:49:36,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.21ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 128.0MB in the beginning and 191.0MB in the end (delta: -63.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-04-27 19:49:36,597 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 213.9MB. Free memory was 191.0MB in the beginning and 189.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 19:49:36,597 INFO L158 Benchmark]: RCFGBuilder took 406.20ms. Allocated memory is still 213.9MB. Free memory was 188.9MB in the beginning and 176.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-27 19:49:36,597 INFO L158 Benchmark]: IcfgTransformer took 32.45ms. Allocated memory is still 213.9MB. Free memory was 176.4MB in the beginning and 174.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 19:49:36,598 INFO L158 Benchmark]: TraceAbstraction took 142118.62ms. Allocated memory is still 213.9MB. Free memory was 173.7MB in the beginning and 169.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.3MB. Max. memory is 8.0GB. [2022-04-27 19:49:36,599 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 0.12ms. Allocated memory is still 178.3MB. Free memory was 144.5MB in the beginning and 144.4MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.21ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 128.0MB in the beginning and 191.0MB in the end (delta: -63.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 213.9MB. Free memory was 191.0MB in the beginning and 189.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 406.20ms. Allocated memory is still 213.9MB. Free memory was 188.9MB in the beginning and 176.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 32.45ms. Allocated memory is still 213.9MB. Free memory was 176.4MB in the beginning and 174.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 142118.62ms. Allocated memory is still 213.9MB. Free memory was 173.7MB in the beginning and 169.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; VAL [\old(counter)=15, counter=0] [L21] int x, y; [L22] long long a, b, p, q; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L26] RET assume_abort_if_not(y >= 1) VAL [\old(counter)=0, counter=0, x=1024, y=1024] [L28] a = x [L29] b = y [L30] p = 1 [L31] q = 0 VAL [\old(counter)=0, a=1024, b=1024, counter=0, p=1, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=1024, b=1024, counter=1, counter++=0, p=1, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=1024, b=1024, counter=1, p=1, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=1024, b=1024, counter=1, p=1, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=512, b=512, counter=1, p=4, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=512, b=512, counter=2, counter++=1, p=4, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=512, b=512, counter=2, p=4, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=512, b=512, counter=2, p=4, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=256, b=256, counter=2, p=16, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=256, b=256, counter=3, counter++=2, p=16, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=256, b=256, counter=3, p=16, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=256, b=256, counter=3, p=16, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=128, b=128, counter=3, p=64, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=128, b=128, counter=4, counter++=3, p=64, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=128, b=128, counter=4, p=64, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=128, b=128, counter=4, p=64, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=64, b=64, counter=4, p=256, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=64, b=64, counter=5, counter++=4, p=256, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=64, b=64, counter=5, p=256, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=64, b=64, counter=5, p=256, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=32, b=32, counter=5, p=1024, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=32, b=32, counter=6, counter++=5, p=1024, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=6] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=6] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=32, b=32, counter=6, p=1024, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=32, b=32, counter=6, p=1024, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=16, b=16, counter=6, p=4096, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=16, b=16, counter=7, counter++=6, p=4096, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=7] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=7] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=16, b=16, counter=7, p=4096, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=16, b=16, counter=7, p=4096, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=8, b=8, counter=7, p=16384, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=8, b=8, counter=8, counter++=7, p=16384, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=8] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=8] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=8, b=8, counter=8, p=16384, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=8, b=8, counter=8, p=16384, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=4, b=4, counter=8, p=65536, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=4, b=4, counter=9, counter++=8, p=65536, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=9] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=9] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=4, b=4, counter=9, p=65536, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=4, b=4, counter=9, p=65536, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=2, b=2, counter=9, p=262144, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=2, b=2, counter=10, counter++=9, p=262144, q=0, x=1024, y=1024] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=10] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=10] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=2, b=2, counter=10, p=262144, q=0, x=1024, y=1024] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=2, b=2, counter=10, p=262144, q=0, x=1024, y=1024] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=1, b=1, counter=10, p=1048576, q=0, x=1024, y=1024] [L33] EXPR counter++ VAL [\old(counter)=0, a=1, b=1, counter=11, counter++=10, p=1048576, q=0, x=1024, y=1024] [L33] COND FALSE !(counter++<10) [L56] CALL __VERIFIER_assert(q == (long long) x * y) VAL [\old(cond)=0, \old(counter)=0, counter=11] [L12] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=11] [L14] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=11] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 142.0s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 485 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 1231 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 921 mSDsCounter, 209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 914 IncrementalHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 209 mSolverCounterUnsat, 310 mSDtfsCounter, 914 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 477 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=10, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 124.3s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1048 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 118/236 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! [2022-04-27 19:49:36,633 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...