/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/fermat2-ll_unwindbound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 00:08:46,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 00:08:46,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 00:08:46,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-28 00:08:46,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-28 00:08:46,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-28 00:08:46,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-28 00:08:46,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-28 00:08:46,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-28 00:08:46,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-28 00:08:46,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-28 00:08:46,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-28 00:08:46,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 00:08:46,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 00:08:46,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 00:08:46,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 00:08:46,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 00:08:46,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 00:08:46,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 00:08:46,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 00:08:46,519 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 00:08:46,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 00:08:46,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 00:08:46,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 00:08:46,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 00:08:46,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 00:08:46,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 00:08:46,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 00:08:46,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 00:08:46,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-28 00:08:46,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 00:08:46,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 00:08:46,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-28 00:08:46,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-28 00:08:46,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-28 00:08:46,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-28 00:08:46,597 INFO L138 SettingsManager]: * Use SBE=true [2022-04-28 00:08:46,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 00:08:46,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 00:08:46,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 00:08:46,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 00:08:46,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 00:08:46,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 00:08:46,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 00:08:46,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 00:08:46,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-28 00:08:46,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-28 00:08:46,601 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-28 00:08:46,601 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 00:08:47,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 00:08:47,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 00:08:47,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 00:08:47,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 00:08:47,087 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 00:08:47,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2022-04-28 00:08:47,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e8eae87/59044c4954bd48649fe00dfddd5d7519/FLAGe7812dff9 [2022-04-28 00:08:47,825 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 00:08:47,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2022-04-28 00:08:47,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e8eae87/59044c4954bd48649fe00dfddd5d7519/FLAGe7812dff9 [2022-04-28 00:08:48,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e8eae87/59044c4954bd48649fe00dfddd5d7519 [2022-04-28 00:08:48,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 00:08:48,201 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-28 00:08:48,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 00:08:48,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 00:08:48,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 00:08:48,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52468f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48, skipping insertion in model container [2022-04-28 00:08:48,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 00:08:48,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 00:08:48,504 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/fermat2-ll_unwindbound10.c[524,537] [2022-04-28 00:08:48,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 00:08:48,563 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 00:08:48,583 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/fermat2-ll_unwindbound10.c[524,537] [2022-04-28 00:08:48,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 00:08:48,620 INFO L208 MainTranslator]: Completed translation [2022-04-28 00:08:48,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48 WrapperNode [2022-04-28 00:08:48,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 00:08:48,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 00:08:48,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 00:08:48,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 00:08:48,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 00:08:48,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 00:08:48,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 00:08:48,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 00:08:48,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (1/1) ... [2022-04-28 00:08:48,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 00:08:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:08:48,753 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) [2022-04-28 00:08:48,823 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 [2022-04-28 00:08:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 00:08:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 00:08:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 00:08:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 00:08:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 00:08:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 00:08:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 00:08:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 00:08:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 00:08:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 00:08:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 00:08:48,971 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 00:08:48,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 00:08:49,235 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 00:08:49,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 00:08:49,241 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 00:08:49,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:08:49 BoogieIcfgContainer [2022-04-28 00:08:49,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 00:08:49,243 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-28 00:08:49,271 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-28 00:08:49,272 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-28 00:08:49,281 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:08:49" (1/1) ... [2022-04-28 00:08:49,283 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-28 00:08:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 12:08:49 BasicIcfg [2022-04-28 00:08:49,347 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-28 00:08:49,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 00:08:49,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 00:08:49,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 00:08:49,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 12:08:48" (1/4) ... [2022-04-28 00:08:49,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222f5bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 12:08:49, skipping insertion in model container [2022-04-28 00:08:49,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:08:48" (2/4) ... [2022-04-28 00:08:49,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222f5bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 12:08:49, skipping insertion in model container [2022-04-28 00:08:49,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:08:49" (3/4) ... [2022-04-28 00:08:49,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222f5bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 12:08:49, skipping insertion in model container [2022-04-28 00:08:49,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 12:08:49" (4/4) ... [2022-04-28 00:08:49,353 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat2-ll_unwindbound10.cqvasr [2022-04-28 00:08:49,389 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-28 00:08:49,390 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 00:08:49,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 00:08:49,518 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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@5f679e3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bfb006 [2022-04-28 00:08:49,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 00:08:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 00:08:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-28 00:08:49,559 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:08:49,560 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:08:49,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:08:49,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:08:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash 734203501, now seen corresponding path program 1 times [2022-04-28 00:08:49,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:08:49,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284901053] [2022-04-28 00:08:49,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:08:49,798 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:08:49,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898890247] [2022-04-28 00:08:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:49,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:08:49,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:08:49,829 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) [2022-04-28 00:08:49,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 00:08:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:49,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2022-04-28 00:08:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:49,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:08:50,089 INFO L272 TraceCheckUtils]: 0: Hoare triple {33#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-28 00:08:50,091 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {33#true} is VALID [2022-04-28 00:08:50,091 INFO L290 TraceCheckUtils]: 2: Hoare triple {33#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-28 00:08:50,091 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-28 00:08:50,091 INFO L272 TraceCheckUtils]: 4: Hoare triple {33#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-28 00:08:50,093 INFO L290 TraceCheckUtils]: 5: Hoare triple {33#true} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {33#true} is VALID [2022-04-28 00:08:50,094 INFO L272 TraceCheckUtils]: 6: Hoare triple {33#true} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {33#true} is VALID [2022-04-28 00:08:50,095 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#true} [78] 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] {33#true} is VALID [2022-04-28 00:08:50,096 INFO L290 TraceCheckUtils]: 8: Hoare triple {33#true} [80] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,096 INFO L290 TraceCheckUtils]: 9: Hoare triple {34#false} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,096 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {34#false} {33#true} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {34#false} is VALID [2022-04-28 00:08:50,098 INFO L272 TraceCheckUtils]: 11: Hoare triple {34#false} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-28 00:08:50,098 INFO L290 TraceCheckUtils]: 12: Hoare triple {34#false} [78] 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] {34#false} is VALID [2022-04-28 00:08:50,099 INFO L290 TraceCheckUtils]: 13: Hoare triple {34#false} [80] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,099 INFO L290 TraceCheckUtils]: 14: Hoare triple {34#false} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,100 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {34#false} {34#false} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-28 00:08:50,116 INFO L290 TraceCheckUtils]: 16: Hoare triple {34#false} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {34#false} is VALID [2022-04-28 00:08:50,116 INFO L290 TraceCheckUtils]: 17: Hoare triple {34#false} [82] L38-2-->L34-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,117 INFO L272 TraceCheckUtils]: 18: Hoare triple {34#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {34#false} is VALID [2022-04-28 00:08:50,117 INFO L290 TraceCheckUtils]: 19: Hoare triple {34#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {34#false} is VALID [2022-04-28 00:08:50,117 INFO L290 TraceCheckUtils]: 20: Hoare triple {34#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,117 INFO L290 TraceCheckUtils]: 21: Hoare triple {34#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-28 00:08:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-28 00:08:50,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 00:08:50,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:08:50,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284901053] [2022-04-28 00:08:50,119 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:08:50,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898890247] [2022-04-28 00:08:50,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898890247] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 00:08:50,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 00:08:50,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-28 00:08:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792684391] [2022-04-28 00:08:50,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 00:08:50,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-28 00:08:50,134 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:08:50,137 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:50,230 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:08:50,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-28 00:08:50,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:08:50,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-28 00:08:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-28 00:08:50,267 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:50,388 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-28 00:08:50,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-28 00:08:50,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-28 00:08:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:08:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 70 transitions. [2022-04-28 00:08:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 70 transitions. [2022-04-28 00:08:50,427 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 2 states and 70 transitions. [2022-04-28 00:08:50,589 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:08:50,613 INFO L225 Difference]: With dead ends: 53 [2022-04-28 00:08:50,613 INFO L226 Difference]: Without dead ends: 25 [2022-04-28 00:08:50,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-28 00:08:50,622 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 00:08:50,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 00:08:50,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-28 00:08:50,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-04-28 00:08:50,664 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:08:50,664 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:50,665 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:50,665 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:50,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:50,668 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 00:08:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 00:08:50,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:08:50,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:08:50,670 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 25 states. [2022-04-28 00:08:50,670 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 25 states. [2022-04-28 00:08:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:50,674 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 00:08:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 00:08:50,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:08:50,674 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:08:50,674 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:08:50,675 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:08:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-04-28 00:08:50,693 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 22 [2022-04-28 00:08:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:08:50,693 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-04-28 00:08:50,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 00:08:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-28 00:08:50,695 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:08:50,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:08:50,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 00:08:50,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-04-28 00:08:50,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:08:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:08:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1669026344, now seen corresponding path program 1 times [2022-04-28 00:08:50,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:08:50,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718369515] [2022-04-28 00:08:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:08:50,970 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:08:50,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289437961] [2022-04-28 00:08:50,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:50,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:08:50,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:08:50,987 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) [2022-04-28 00:08:51,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 00:08:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 00:08:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:51,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:08:51,345 INFO L272 TraceCheckUtils]: 0: Hoare triple {256#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {256#true} is VALID [2022-04-28 00:08:51,346 INFO L290 TraceCheckUtils]: 1: Hoare triple {256#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,346 INFO L290 TraceCheckUtils]: 2: Hoare triple {264#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,347 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {264#(<= ~counter~0 0)} {256#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,348 INFO L272 TraceCheckUtils]: 4: Hoare triple {264#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,348 INFO L290 TraceCheckUtils]: 5: Hoare triple {264#(<= ~counter~0 0)} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,349 INFO L272 TraceCheckUtils]: 6: Hoare triple {264#(<= ~counter~0 0)} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {264#(<= ~counter~0 0)} [78] 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] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {264#(<= ~counter~0 0)} [81] 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[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {264#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,351 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {264#(<= ~counter~0 0)} {264#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,352 INFO L272 TraceCheckUtils]: 11: Hoare triple {264#(<= ~counter~0 0)} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,353 INFO L290 TraceCheckUtils]: 12: Hoare triple {264#(<= ~counter~0 0)} [78] 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] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,354 INFO L290 TraceCheckUtils]: 13: Hoare triple {264#(<= ~counter~0 0)} [81] 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[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,354 INFO L290 TraceCheckUtils]: 14: Hoare triple {264#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,355 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {264#(<= ~counter~0 0)} {264#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,355 INFO L290 TraceCheckUtils]: 16: Hoare triple {264#(<= ~counter~0 0)} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {264#(<= ~counter~0 0)} is VALID [2022-04-28 00:08:51,356 INFO L290 TraceCheckUtils]: 17: Hoare triple {264#(<= ~counter~0 0)} [83] L38-2-->L34-1: 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] {313#(<= |main_#t~post6| 0)} is VALID [2022-04-28 00:08:51,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {313#(<= |main_#t~post6| 0)} [86] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {257#false} is VALID [2022-04-28 00:08:51,357 INFO L272 TraceCheckUtils]: 19: Hoare triple {257#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {257#false} is VALID [2022-04-28 00:08:51,357 INFO L290 TraceCheckUtils]: 20: Hoare triple {257#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {257#false} is VALID [2022-04-28 00:08:51,357 INFO L290 TraceCheckUtils]: 21: Hoare triple {257#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {257#false} is VALID [2022-04-28 00:08:51,357 INFO L290 TraceCheckUtils]: 22: Hoare triple {257#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {257#false} is VALID [2022-04-28 00:08:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:08:51,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 00:08:51,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:08:51,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718369515] [2022-04-28 00:08:51,359 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:08:51,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289437961] [2022-04-28 00:08:51,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289437961] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 00:08:51,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 00:08:51,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 00:08:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229694542] [2022-04-28 00:08:51,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 00:08:51,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-28 00:08:51,363 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:08:51,364 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:51,382 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:08:51,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 00:08:51,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:08:51,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 00:08:51,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 00:08:51,384 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:51,473 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-28 00:08:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 00:08:51,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-28 00:08:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:08:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2022-04-28 00:08:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2022-04-28 00:08:51,479 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 38 transitions. [2022-04-28 00:08:51,513 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:08:51,514 INFO L225 Difference]: With dead ends: 34 [2022-04-28 00:08:51,514 INFO L226 Difference]: Without dead ends: 27 [2022-04-28 00:08:51,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 00:08:51,516 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 00:08:51,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 00:08:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-28 00:08:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-28 00:08:51,523 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:08:51,524 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:51,524 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:51,524 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:51,527 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 00:08:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 00:08:51,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:08:51,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:08:51,528 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-28 00:08:51,528 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 27 states. [2022-04-28 00:08:51,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:08:51,530 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 00:08:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 00:08:51,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:08:51,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:08:51,530 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:08:51,531 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:08:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:08:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-28 00:08:51,532 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 23 [2022-04-28 00:08:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:08:51,533 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-28 00:08:51,533 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, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 00:08:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 00:08:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-28 00:08:51,534 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:08:51,534 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:08:51,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 00:08:51,755 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,SelfDestructingSolverStorable1 [2022-04-28 00:08:51,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:08:51,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:08:51,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1667953868, now seen corresponding path program 1 times [2022-04-28 00:08:51,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:08:51,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099330072] [2022-04-28 00:08:51,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:08:51,773 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:08:51,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342110642] [2022-04-28 00:08:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:08:51,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:08:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:08:51,775 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) [2022-04-28 00:08:51,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 00:08:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:51,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 00:08:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:08:51,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:09:04,445 WARN L232 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 25 DAG size of output: 3 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-28 00:09:04,480 INFO L272 TraceCheckUtils]: 0: Hoare triple {469#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {469#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {469#true} is VALID [2022-04-28 00:09:04,481 INFO L290 TraceCheckUtils]: 2: Hoare triple {469#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,481 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {469#true} {469#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,481 INFO L272 TraceCheckUtils]: 4: Hoare triple {469#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,481 INFO L290 TraceCheckUtils]: 5: Hoare triple {469#true} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {469#true} is VALID [2022-04-28 00:09:04,482 INFO L272 TraceCheckUtils]: 6: Hoare triple {469#true} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {469#true} is VALID [2022-04-28 00:09:04,482 INFO L290 TraceCheckUtils]: 7: Hoare triple {469#true} [78] 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] {469#true} is VALID [2022-04-28 00:09:04,482 INFO L290 TraceCheckUtils]: 8: Hoare triple {469#true} [81] 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[] {469#true} is VALID [2022-04-28 00:09:04,482 INFO L290 TraceCheckUtils]: 9: Hoare triple {469#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,482 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {469#true} {469#true} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {469#true} is VALID [2022-04-28 00:09:04,483 INFO L272 TraceCheckUtils]: 11: Hoare triple {469#true} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {469#true} is VALID [2022-04-28 00:09:04,483 INFO L290 TraceCheckUtils]: 12: Hoare triple {469#true} [78] 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] {469#true} is VALID [2022-04-28 00:09:04,483 INFO L290 TraceCheckUtils]: 13: Hoare triple {469#true} [81] 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[] {469#true} is VALID [2022-04-28 00:09:04,483 INFO L290 TraceCheckUtils]: 14: Hoare triple {469#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#true} is VALID [2022-04-28 00:09:04,483 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {469#true} {469#true} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {469#true} is VALID [2022-04-28 00:09:06,486 WARN L290 TraceCheckUtils]: 16: Hoare triple {469#true} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} is UNKNOWN [2022-04-28 00:09:06,487 INFO L290 TraceCheckUtils]: 17: Hoare triple {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} [83] L38-2-->L34-1: 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] {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} is VALID [2022-04-28 00:09:06,487 INFO L290 TraceCheckUtils]: 18: Hoare triple {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} is VALID [2022-04-28 00:09:08,491 WARN L272 TraceCheckUtils]: 19: Hoare triple {522#(and (= (+ (* (- 1) main_~A~0) (* (div (+ (* (- 1) main_~u~0) 1) (- 2)) (div (+ (* (- 1) main_~u~0) 1) (- 2)))) main_~r~0) (= (mod (+ main_~u~0 1) 2) 0) (= main_~v~0 1))} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {532#(<= 1 |__VERIFIER_assert_#in~cond|)} is UNKNOWN [2022-04-28 00:09:08,492 INFO L290 TraceCheckUtils]: 20: Hoare triple {532#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {536#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 00:09:08,492 INFO L290 TraceCheckUtils]: 21: Hoare triple {536#(<= 1 __VERIFIER_assert_~cond)} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {470#false} is VALID [2022-04-28 00:09:08,492 INFO L290 TraceCheckUtils]: 22: Hoare triple {470#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {470#false} is VALID [2022-04-28 00:09:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:08,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 00:09:08,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:09:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099330072] [2022-04-28 00:09:08,493 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:09:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342110642] [2022-04-28 00:09:08,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342110642] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 00:09:08,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 00:09:08,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 00:09:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908292781] [2022-04-28 00:09:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 00:09:08,494 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-28 00:09:08,495 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:09:08,495 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 00:09:11,235 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 19 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:11,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 00:09:11,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:09:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 00:09:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 00:09:11,236 INFO L87 Difference]: Start difference. First operand 27 states and 31 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 00:09:14,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-28 00:09:14,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:14,173 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-04-28 00:09:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 00:09:14,173 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-28 00:09:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:09:14,174 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 00:09:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-04-28 00:09:14,176 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 00:09:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-04-28 00:09:14,177 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2022-04-28 00:09:18,220 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 41 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:18,222 INFO L225 Difference]: With dead ends: 37 [2022-04-28 00:09:18,222 INFO L226 Difference]: Without dead ends: 35 [2022-04-28 00:09:18,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 00:09:18,223 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-04-28 00:09:18,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 82 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-04-28 00:09:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-28 00:09:18,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-04-28 00:09:18,235 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:09:18,235 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 00:09:18,235 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 00:09:18,236 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 00:09:18,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:18,238 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-28 00:09:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-28 00:09:18,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:18,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:18,239 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-28 00:09:18,239 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 35 states. [2022-04-28 00:09:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:18,241 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-04-28 00:09:18,241 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-04-28 00:09:18,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:18,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:18,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:09:18,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:09:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 00:09:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-28 00:09:18,244 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2022-04-28 00:09:18,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:09:18,244 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-28 00:09:18,245 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 00:09:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 00:09:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-28 00:09:18,245 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:09:18,246 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, 1, 1] [2022-04-28 00:09:18,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-28 00:09:18,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:18,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:09:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:09:18,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1179905874, now seen corresponding path program 1 times [2022-04-28 00:09:18,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:09:18,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650911041] [2022-04-28 00:09:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:09:18,472 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:09:18,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254565415] [2022-04-28 00:09:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:09:18,474 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) [2022-04-28 00:09:18,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 00:09:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:09:18,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-28 00:09:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:09:18,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:09:18,754 INFO L272 TraceCheckUtils]: 0: Hoare triple {712#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {712#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {712#true} is VALID [2022-04-28 00:09:18,755 INFO L290 TraceCheckUtils]: 2: Hoare triple {712#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,755 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {712#true} {712#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,758 INFO L272 TraceCheckUtils]: 4: Hoare triple {712#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,758 INFO L290 TraceCheckUtils]: 5: Hoare triple {712#true} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:18,759 INFO L272 TraceCheckUtils]: 6: Hoare triple {712#true} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {712#true} is VALID [2022-04-28 00:09:18,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {712#true} [78] 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] {712#true} is VALID [2022-04-28 00:09:18,759 INFO L290 TraceCheckUtils]: 8: Hoare triple {712#true} [81] 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[] {712#true} is VALID [2022-04-28 00:09:18,759 INFO L290 TraceCheckUtils]: 9: Hoare triple {712#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,759 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {712#true} {712#true} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {712#true} is VALID [2022-04-28 00:09:18,760 INFO L272 TraceCheckUtils]: 11: Hoare triple {712#true} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {712#true} is VALID [2022-04-28 00:09:18,760 INFO L290 TraceCheckUtils]: 12: Hoare triple {712#true} [78] 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] {712#true} is VALID [2022-04-28 00:09:18,761 INFO L290 TraceCheckUtils]: 13: Hoare triple {712#true} [81] 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[] {712#true} is VALID [2022-04-28 00:09:18,761 INFO L290 TraceCheckUtils]: 14: Hoare triple {712#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:18,762 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {712#true} {712#true} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {712#true} is VALID [2022-04-28 00:09:18,762 INFO L290 TraceCheckUtils]: 16: Hoare triple {712#true} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:18,762 INFO L290 TraceCheckUtils]: 17: Hoare triple {712#true} [83] L38-2-->L34-1: 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] {712#true} is VALID [2022-04-28 00:09:18,762 INFO L290 TraceCheckUtils]: 18: Hoare triple {712#true} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {712#true} is VALID [2022-04-28 00:09:18,763 INFO L272 TraceCheckUtils]: 19: Hoare triple {712#true} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:18,763 INFO L290 TraceCheckUtils]: 20: Hoare triple {712#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {777#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 00:09:18,764 INFO L290 TraceCheckUtils]: 21: Hoare triple {777#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {781#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 00:09:18,764 INFO L290 TraceCheckUtils]: 22: Hoare triple {781#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {781#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 00:09:18,765 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {781#(not (= |__VERIFIER_assert_#in~cond| 0))} {712#true} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {788#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4) (* main_~r~0 4)))} is VALID [2022-04-28 00:09:18,766 INFO L290 TraceCheckUtils]: 24: Hoare triple {788#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4) (* main_~r~0 4)))} [94] L35-1-->L34-3: Formula: (= v_main_~r~0_8 0) InVars {main_~r~0=v_main_~r~0_8} OutVars{main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {792#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} is VALID [2022-04-28 00:09:18,767 INFO L272 TraceCheckUtils]: 25: Hoare triple {792#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {796#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 00:09:18,767 INFO L290 TraceCheckUtils]: 26: Hoare triple {796#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {800#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 00:09:18,768 INFO L290 TraceCheckUtils]: 27: Hoare triple {800#(<= 1 __VERIFIER_assert_~cond)} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {713#false} is VALID [2022-04-28 00:09:18,768 INFO L290 TraceCheckUtils]: 28: Hoare triple {713#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#false} is VALID [2022-04-28 00:09:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:18,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 00:09:19,255 INFO L290 TraceCheckUtils]: 28: Hoare triple {713#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#false} is VALID [2022-04-28 00:09:19,256 INFO L290 TraceCheckUtils]: 27: Hoare triple {800#(<= 1 __VERIFIER_assert_~cond)} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {713#false} is VALID [2022-04-28 00:09:19,256 INFO L290 TraceCheckUtils]: 26: Hoare triple {796#(<= 1 |__VERIFIER_assert_#in~cond|)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {800#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 00:09:19,257 INFO L272 TraceCheckUtils]: 25: Hoare triple {792#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {796#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 00:09:19,258 INFO L290 TraceCheckUtils]: 24: Hoare triple {819#(or (not (= main_~r~0 0)) (= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4))))} [94] L35-1-->L34-3: Formula: (= v_main_~r~0_8 0) InVars {main_~r~0=v_main_~r~0_8} OutVars{main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {792#(= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4)))} is VALID [2022-04-28 00:09:19,259 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {781#(not (= |__VERIFIER_assert_#in~cond| 0))} {712#true} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {819#(or (not (= main_~r~0 0)) (= (+ (* main_~v~0 2) (* main_~u~0 main_~u~0)) (+ (* main_~v~0 main_~v~0) (* main_~u~0 2) (* main_~A~0 4))))} is VALID [2022-04-28 00:09:19,259 INFO L290 TraceCheckUtils]: 22: Hoare triple {781#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {781#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 00:09:19,260 INFO L290 TraceCheckUtils]: 21: Hoare triple {832#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {781#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 00:09:19,260 INFO L290 TraceCheckUtils]: 20: Hoare triple {712#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {832#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 00:09:19,261 INFO L272 TraceCheckUtils]: 19: Hoare triple {712#true} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:19,261 INFO L290 TraceCheckUtils]: 18: Hoare triple {712#true} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {712#true} is VALID [2022-04-28 00:09:19,261 INFO L290 TraceCheckUtils]: 17: Hoare triple {712#true} [83] L38-2-->L34-1: 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] {712#true} is VALID [2022-04-28 00:09:19,261 INFO L290 TraceCheckUtils]: 16: Hoare triple {712#true} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:19,262 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {712#true} {712#true} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {712#true} is VALID [2022-04-28 00:09:19,262 INFO L290 TraceCheckUtils]: 14: Hoare triple {712#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,262 INFO L290 TraceCheckUtils]: 13: Hoare triple {712#true} [81] 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[] {712#true} is VALID [2022-04-28 00:09:19,262 INFO L290 TraceCheckUtils]: 12: Hoare triple {712#true} [78] 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] {712#true} is VALID [2022-04-28 00:09:19,262 INFO L272 TraceCheckUtils]: 11: Hoare triple {712#true} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {712#true} is VALID [2022-04-28 00:09:19,263 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {712#true} {712#true} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {712#true} is VALID [2022-04-28 00:09:19,263 INFO L290 TraceCheckUtils]: 9: Hoare triple {712#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,263 INFO L290 TraceCheckUtils]: 8: Hoare triple {712#true} [81] 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[] {712#true} is VALID [2022-04-28 00:09:19,263 INFO L290 TraceCheckUtils]: 7: Hoare triple {712#true} [78] 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] {712#true} is VALID [2022-04-28 00:09:19,263 INFO L272 TraceCheckUtils]: 6: Hoare triple {712#true} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L290 TraceCheckUtils]: 5: Hoare triple {712#true} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L272 TraceCheckUtils]: 4: Hoare triple {712#true} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {712#true} {712#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L290 TraceCheckUtils]: 2: Hoare triple {712#true} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L290 TraceCheckUtils]: 1: Hoare triple {712#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {712#true} is VALID [2022-04-28 00:09:19,264 INFO L272 TraceCheckUtils]: 0: Hoare triple {712#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {712#true} is VALID [2022-04-28 00:09:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:09:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650911041] [2022-04-28 00:09:19,265 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:09:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254565415] [2022-04-28 00:09:19,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254565415] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 00:09:19,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 00:09:19,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-28 00:09:19,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993171005] [2022-04-28 00:09:19,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 00:09:19,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-28 00:09:19,267 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:09:19,267 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-28 00:09:19,290 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:19,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 00:09:19,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:09:19,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 00:09:19,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-28 00:09:19,291 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-28 00:09:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:19,690 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2022-04-28 00:09:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 00:09:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 29 [2022-04-28 00:09:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:09:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-28 00:09:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 35 transitions. [2022-04-28 00:09:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-28 00:09:19,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 35 transitions. [2022-04-28 00:09:19,694 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 35 transitions. [2022-04-28 00:09:19,739 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:19,740 INFO L225 Difference]: With dead ends: 39 [2022-04-28 00:09:19,740 INFO L226 Difference]: Without dead ends: 34 [2022-04-28 00:09:19,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-04-28 00:09:19,742 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 00:09:19,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 115 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 00:09:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-28 00:09:19,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2022-04-28 00:09:19,757 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:09:19,757 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:09:19,757 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:09:19,757 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:09:19,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:19,759 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-28 00:09:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-28 00:09:19,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:19,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:19,760 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-28 00:09:19,760 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-28 00:09:19,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:19,762 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-04-28 00:09:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-04-28 00:09:19,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:19,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:19,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:09:19,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:09:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 00:09:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-04-28 00:09:19,768 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 29 [2022-04-28 00:09:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:09:19,770 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-04-28 00:09:19,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-04-28 00:09:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-04-28 00:09:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-28 00:09:19,771 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:09:19,771 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:09:19,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-28 00:09:19,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:19,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:09:19,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:09:19,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1668946595, now seen corresponding path program 1 times [2022-04-28 00:09:19,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:09:19,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713231646] [2022-04-28 00:09:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:19,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:09:19,985 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:09:19,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762861336] [2022-04-28 00:09:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:19,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:09:19,987 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) [2022-04-28 00:09:19,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 00:09:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:09:20,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 00:09:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:09:20,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:09:20,211 INFO L272 TraceCheckUtils]: 0: Hoare triple {1066#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,212 INFO L290 TraceCheckUtils]: 1: Hoare triple {1066#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,213 INFO L290 TraceCheckUtils]: 2: Hoare triple {1074#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,213 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1074#(<= ~counter~0 0)} {1066#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,213 INFO L272 TraceCheckUtils]: 4: Hoare triple {1074#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,214 INFO L290 TraceCheckUtils]: 5: Hoare triple {1074#(<= ~counter~0 0)} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,214 INFO L272 TraceCheckUtils]: 6: Hoare triple {1074#(<= ~counter~0 0)} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,215 INFO L290 TraceCheckUtils]: 7: Hoare triple {1074#(<= ~counter~0 0)} [78] 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] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,215 INFO L290 TraceCheckUtils]: 8: Hoare triple {1074#(<= ~counter~0 0)} [81] 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[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,215 INFO L290 TraceCheckUtils]: 9: Hoare triple {1074#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,216 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1074#(<= ~counter~0 0)} {1074#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,217 INFO L272 TraceCheckUtils]: 11: Hoare triple {1074#(<= ~counter~0 0)} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,217 INFO L290 TraceCheckUtils]: 12: Hoare triple {1074#(<= ~counter~0 0)} [78] 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] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,217 INFO L290 TraceCheckUtils]: 13: Hoare triple {1074#(<= ~counter~0 0)} [81] 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[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,218 INFO L290 TraceCheckUtils]: 14: Hoare triple {1074#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,218 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1074#(<= ~counter~0 0)} {1074#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,218 INFO L290 TraceCheckUtils]: 16: Hoare triple {1074#(<= ~counter~0 0)} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {1074#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:20,221 INFO L290 TraceCheckUtils]: 17: Hoare triple {1074#(<= ~counter~0 0)} [83] L38-2-->L34-1: 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] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,222 INFO L290 TraceCheckUtils]: 18: Hoare triple {1123#(<= ~counter~0 1)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,223 INFO L272 TraceCheckUtils]: 19: Hoare triple {1123#(<= ~counter~0 1)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,223 INFO L290 TraceCheckUtils]: 20: Hoare triple {1123#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,223 INFO L290 TraceCheckUtils]: 21: Hoare triple {1123#(<= ~counter~0 1)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,224 INFO L290 TraceCheckUtils]: 22: Hoare triple {1123#(<= ~counter~0 1)} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,224 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1123#(<= ~counter~0 1)} {1123#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,225 INFO L290 TraceCheckUtils]: 24: Hoare triple {1123#(<= ~counter~0 1)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,225 INFO L290 TraceCheckUtils]: 25: Hoare triple {1123#(<= ~counter~0 1)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1123#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:20,225 INFO L290 TraceCheckUtils]: 26: Hoare triple {1123#(<= ~counter~0 1)} [83] L38-2-->L34-1: 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] {1151#(<= |main_#t~post6| 1)} is VALID [2022-04-28 00:09:20,226 INFO L290 TraceCheckUtils]: 27: Hoare triple {1151#(<= |main_#t~post6| 1)} [86] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1067#false} is VALID [2022-04-28 00:09:20,226 INFO L272 TraceCheckUtils]: 28: Hoare triple {1067#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {1067#false} is VALID [2022-04-28 00:09:20,226 INFO L290 TraceCheckUtils]: 29: Hoare triple {1067#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1067#false} is VALID [2022-04-28 00:09:20,226 INFO L290 TraceCheckUtils]: 30: Hoare triple {1067#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1067#false} is VALID [2022-04-28 00:09:20,226 INFO L290 TraceCheckUtils]: 31: Hoare triple {1067#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1067#false} is VALID [2022-04-28 00:09:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:20,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 00:09:20,397 INFO L290 TraceCheckUtils]: 31: Hoare triple {1067#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1067#false} is VALID [2022-04-28 00:09:20,398 INFO L290 TraceCheckUtils]: 30: Hoare triple {1067#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1067#false} is VALID [2022-04-28 00:09:20,398 INFO L290 TraceCheckUtils]: 29: Hoare triple {1067#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1067#false} is VALID [2022-04-28 00:09:20,398 INFO L272 TraceCheckUtils]: 28: Hoare triple {1067#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {1067#false} is VALID [2022-04-28 00:09:20,398 INFO L290 TraceCheckUtils]: 27: Hoare triple {1179#(< |main_#t~post6| 10)} [86] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1067#false} is VALID [2022-04-28 00:09:20,400 INFO L290 TraceCheckUtils]: 26: Hoare triple {1183#(< ~counter~0 10)} [83] L38-2-->L34-1: 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] {1179#(< |main_#t~post6| 10)} is VALID [2022-04-28 00:09:20,400 INFO L290 TraceCheckUtils]: 25: Hoare triple {1183#(< ~counter~0 10)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1183#(< ~counter~0 10)} is VALID [2022-04-28 00:09:20,401 INFO L290 TraceCheckUtils]: 24: Hoare triple {1183#(< ~counter~0 10)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1183#(< ~counter~0 10)} is VALID [2022-04-28 00:09:20,402 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1066#true} {1183#(< ~counter~0 10)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1183#(< ~counter~0 10)} is VALID [2022-04-28 00:09:20,402 INFO L290 TraceCheckUtils]: 22: Hoare triple {1066#true} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,402 INFO L290 TraceCheckUtils]: 21: Hoare triple {1066#true} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,402 INFO L290 TraceCheckUtils]: 20: Hoare triple {1066#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1066#true} is VALID [2022-04-28 00:09:20,403 INFO L272 TraceCheckUtils]: 19: Hoare triple {1183#(< ~counter~0 10)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1066#true} is VALID [2022-04-28 00:09:20,403 INFO L290 TraceCheckUtils]: 18: Hoare triple {1183#(< ~counter~0 10)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1183#(< ~counter~0 10)} is VALID [2022-04-28 00:09:20,403 INFO L290 TraceCheckUtils]: 17: Hoare triple {1211#(< ~counter~0 9)} [83] L38-2-->L34-1: 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] {1183#(< ~counter~0 10)} is VALID [2022-04-28 00:09:20,405 INFO L290 TraceCheckUtils]: 16: Hoare triple {1211#(< ~counter~0 9)} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,405 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1066#true} {1211#(< ~counter~0 9)} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,405 INFO L290 TraceCheckUtils]: 14: Hoare triple {1066#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,406 INFO L290 TraceCheckUtils]: 13: Hoare triple {1066#true} [81] 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[] {1066#true} is VALID [2022-04-28 00:09:20,406 INFO L290 TraceCheckUtils]: 12: Hoare triple {1066#true} [78] 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] {1066#true} is VALID [2022-04-28 00:09:20,406 INFO L272 TraceCheckUtils]: 11: Hoare triple {1211#(< ~counter~0 9)} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1066#true} is VALID [2022-04-28 00:09:20,406 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1066#true} {1211#(< ~counter~0 9)} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,407 INFO L290 TraceCheckUtils]: 9: Hoare triple {1066#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {1066#true} [81] 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[] {1066#true} is VALID [2022-04-28 00:09:20,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {1066#true} [78] 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] {1066#true} is VALID [2022-04-28 00:09:20,407 INFO L272 TraceCheckUtils]: 6: Hoare triple {1211#(< ~counter~0 9)} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1066#true} is VALID [2022-04-28 00:09:20,408 INFO L290 TraceCheckUtils]: 5: Hoare triple {1211#(< ~counter~0 9)} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,409 INFO L272 TraceCheckUtils]: 4: Hoare triple {1211#(< ~counter~0 9)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,409 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1211#(< ~counter~0 9)} {1066#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,409 INFO L290 TraceCheckUtils]: 2: Hoare triple {1211#(< ~counter~0 9)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,410 INFO L290 TraceCheckUtils]: 1: Hoare triple {1066#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {1211#(< ~counter~0 9)} is VALID [2022-04-28 00:09:20,410 INFO L272 TraceCheckUtils]: 0: Hoare triple {1066#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1066#true} is VALID [2022-04-28 00:09:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:20,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:09:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713231646] [2022-04-28 00:09:20,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:09:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762861336] [2022-04-28 00:09:20,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762861336] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 00:09:20,411 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 00:09:20,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-28 00:09:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380532301] [2022-04-28 00:09:20,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 00:09:20,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-28 00:09:20,412 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:09:20,412 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-28 00:09:20,455 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:20,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 00:09:20,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:09:20,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 00:09:20,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-28 00:09:20,456 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-28 00:09:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:20,658 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-04-28 00:09:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 00:09:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-04-28 00:09:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:09:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-28 00:09:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 67 transitions. [2022-04-28 00:09:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-28 00:09:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 67 transitions. [2022-04-28 00:09:20,676 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 67 transitions. [2022-04-28 00:09:20,731 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:20,733 INFO L225 Difference]: With dead ends: 61 [2022-04-28 00:09:20,733 INFO L226 Difference]: Without dead ends: 56 [2022-04-28 00:09:20,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-28 00:09:20,734 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 00:09:20,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 128 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 00:09:20,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-28 00:09:20,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-28 00:09:20,751 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:09:20,751 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 00:09:20,751 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 00:09:20,752 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 00:09:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:20,754 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-28 00:09:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-28 00:09:20,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:20,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:20,755 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-28 00:09:20,755 INFO L87 Difference]: Start difference. First operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 56 states. [2022-04-28 00:09:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:20,758 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2022-04-28 00:09:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-28 00:09:20,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:20,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:20,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:09:20,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:09:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 00:09:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2022-04-28 00:09:20,761 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 32 [2022-04-28 00:09:20,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:09:20,761 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2022-04-28 00:09:20,761 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, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-04-28 00:09:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-04-28 00:09:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-28 00:09:20,762 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:09:20,763 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:09:20,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-28 00:09:20,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:20,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:09:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:09:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash -906969448, now seen corresponding path program 2 times [2022-04-28 00:09:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:09:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346853015] [2022-04-28 00:09:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:09:20,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:09:20,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684450044] [2022-04-28 00:09:20,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 00:09:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:09:20,994 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) [2022-04-28 00:09:21,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 00:09:21,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 00:09:21,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 00:09:21,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 00:09:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 00:09:21,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 00:09:21,415 INFO L272 TraceCheckUtils]: 0: Hoare triple {1546#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,416 INFO L290 TraceCheckUtils]: 1: Hoare triple {1546#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,416 INFO L290 TraceCheckUtils]: 2: Hoare triple {1554#(<= ~counter~0 0)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,416 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1554#(<= ~counter~0 0)} {1546#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,417 INFO L272 TraceCheckUtils]: 4: Hoare triple {1554#(<= ~counter~0 0)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,417 INFO L290 TraceCheckUtils]: 5: Hoare triple {1554#(<= ~counter~0 0)} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,418 INFO L272 TraceCheckUtils]: 6: Hoare triple {1554#(<= ~counter~0 0)} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,418 INFO L290 TraceCheckUtils]: 7: Hoare triple {1554#(<= ~counter~0 0)} [78] 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] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,422 INFO L290 TraceCheckUtils]: 8: Hoare triple {1554#(<= ~counter~0 0)} [81] 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[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,422 INFO L290 TraceCheckUtils]: 9: Hoare triple {1554#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,424 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1554#(<= ~counter~0 0)} {1554#(<= ~counter~0 0)} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,424 INFO L272 TraceCheckUtils]: 11: Hoare triple {1554#(<= ~counter~0 0)} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,424 INFO L290 TraceCheckUtils]: 12: Hoare triple {1554#(<= ~counter~0 0)} [78] 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] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,425 INFO L290 TraceCheckUtils]: 13: Hoare triple {1554#(<= ~counter~0 0)} [81] 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[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,425 INFO L290 TraceCheckUtils]: 14: Hoare triple {1554#(<= ~counter~0 0)} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,426 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1554#(<= ~counter~0 0)} {1554#(<= ~counter~0 0)} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,426 INFO L290 TraceCheckUtils]: 16: Hoare triple {1554#(<= ~counter~0 0)} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {1554#(<= ~counter~0 0)} is VALID [2022-04-28 00:09:21,426 INFO L290 TraceCheckUtils]: 17: Hoare triple {1554#(<= ~counter~0 0)} [83] L38-2-->L34-1: 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] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,427 INFO L290 TraceCheckUtils]: 18: Hoare triple {1603#(<= ~counter~0 1)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,428 INFO L272 TraceCheckUtils]: 19: Hoare triple {1603#(<= ~counter~0 1)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,428 INFO L290 TraceCheckUtils]: 20: Hoare triple {1603#(<= ~counter~0 1)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,429 INFO L290 TraceCheckUtils]: 21: Hoare triple {1603#(<= ~counter~0 1)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,429 INFO L290 TraceCheckUtils]: 22: Hoare triple {1603#(<= ~counter~0 1)} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,430 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1603#(<= ~counter~0 1)} {1603#(<= ~counter~0 1)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,430 INFO L290 TraceCheckUtils]: 24: Hoare triple {1603#(<= ~counter~0 1)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,430 INFO L290 TraceCheckUtils]: 25: Hoare triple {1603#(<= ~counter~0 1)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1603#(<= ~counter~0 1)} is VALID [2022-04-28 00:09:21,431 INFO L290 TraceCheckUtils]: 26: Hoare triple {1603#(<= ~counter~0 1)} [83] L38-2-->L34-1: 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] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,431 INFO L290 TraceCheckUtils]: 27: Hoare triple {1631#(<= ~counter~0 2)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,432 INFO L272 TraceCheckUtils]: 28: Hoare triple {1631#(<= ~counter~0 2)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,432 INFO L290 TraceCheckUtils]: 29: Hoare triple {1631#(<= ~counter~0 2)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,432 INFO L290 TraceCheckUtils]: 30: Hoare triple {1631#(<= ~counter~0 2)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,433 INFO L290 TraceCheckUtils]: 31: Hoare triple {1631#(<= ~counter~0 2)} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,433 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1631#(<= ~counter~0 2)} {1631#(<= ~counter~0 2)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,434 INFO L290 TraceCheckUtils]: 33: Hoare triple {1631#(<= ~counter~0 2)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,434 INFO L290 TraceCheckUtils]: 34: Hoare triple {1631#(<= ~counter~0 2)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1631#(<= ~counter~0 2)} is VALID [2022-04-28 00:09:21,435 INFO L290 TraceCheckUtils]: 35: Hoare triple {1631#(<= ~counter~0 2)} [83] L38-2-->L34-1: 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] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,436 INFO L290 TraceCheckUtils]: 36: Hoare triple {1659#(<= ~counter~0 3)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,437 INFO L272 TraceCheckUtils]: 37: Hoare triple {1659#(<= ~counter~0 3)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,437 INFO L290 TraceCheckUtils]: 38: Hoare triple {1659#(<= ~counter~0 3)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,437 INFO L290 TraceCheckUtils]: 39: Hoare triple {1659#(<= ~counter~0 3)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,438 INFO L290 TraceCheckUtils]: 40: Hoare triple {1659#(<= ~counter~0 3)} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,438 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1659#(<= ~counter~0 3)} {1659#(<= ~counter~0 3)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,439 INFO L290 TraceCheckUtils]: 42: Hoare triple {1659#(<= ~counter~0 3)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,439 INFO L290 TraceCheckUtils]: 43: Hoare triple {1659#(<= ~counter~0 3)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1659#(<= ~counter~0 3)} is VALID [2022-04-28 00:09:21,440 INFO L290 TraceCheckUtils]: 44: Hoare triple {1659#(<= ~counter~0 3)} [83] L38-2-->L34-1: 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] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,440 INFO L290 TraceCheckUtils]: 45: Hoare triple {1687#(<= ~counter~0 4)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,441 INFO L272 TraceCheckUtils]: 46: Hoare triple {1687#(<= ~counter~0 4)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,447 INFO L290 TraceCheckUtils]: 47: Hoare triple {1687#(<= ~counter~0 4)} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,448 INFO L290 TraceCheckUtils]: 48: Hoare triple {1687#(<= ~counter~0 4)} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,449 INFO L290 TraceCheckUtils]: 49: Hoare triple {1687#(<= ~counter~0 4)} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,450 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1687#(<= ~counter~0 4)} {1687#(<= ~counter~0 4)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,451 INFO L290 TraceCheckUtils]: 51: Hoare triple {1687#(<= ~counter~0 4)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,453 INFO L290 TraceCheckUtils]: 52: Hoare triple {1687#(<= ~counter~0 4)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1687#(<= ~counter~0 4)} is VALID [2022-04-28 00:09:21,453 INFO L290 TraceCheckUtils]: 53: Hoare triple {1687#(<= ~counter~0 4)} [83] L38-2-->L34-1: 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] {1715#(<= |main_#t~post6| 4)} is VALID [2022-04-28 00:09:21,454 INFO L290 TraceCheckUtils]: 54: Hoare triple {1715#(<= |main_#t~post6| 4)} [86] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1547#false} is VALID [2022-04-28 00:09:21,454 INFO L272 TraceCheckUtils]: 55: Hoare triple {1547#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {1547#false} is VALID [2022-04-28 00:09:21,454 INFO L290 TraceCheckUtils]: 56: Hoare triple {1547#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1547#false} is VALID [2022-04-28 00:09:21,454 INFO L290 TraceCheckUtils]: 57: Hoare triple {1547#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1547#false} is VALID [2022-04-28 00:09:21,454 INFO L290 TraceCheckUtils]: 58: Hoare triple {1547#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1547#false} is VALID [2022-04-28 00:09:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 00:09:21,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 00:09:21,802 INFO L290 TraceCheckUtils]: 58: Hoare triple {1547#false} [96] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1547#false} is VALID [2022-04-28 00:09:21,802 INFO L290 TraceCheckUtils]: 57: Hoare triple {1547#false} [92] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1547#false} is VALID [2022-04-28 00:09:21,802 INFO L290 TraceCheckUtils]: 56: Hoare triple {1547#false} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1547#false} is VALID [2022-04-28 00:09:21,803 INFO L272 TraceCheckUtils]: 55: Hoare triple {1547#false} [85] L34-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* (- 2) v_main_~u~0_8) (* v_main_~v~0_8 2) (* v_main_~u~0_8 v_main_~u~0_8) (* (- 1) (* v_main_~v~0_8 v_main_~v~0_8))) (* v_main_~A~0_12 4)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~v~0=v_main_~v~0_8, main_~A~0=v_main_~A~0_12, main_~u~0=v_main_~u~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0] {1547#false} is VALID [2022-04-28 00:09:21,805 INFO L290 TraceCheckUtils]: 54: Hoare triple {1743#(< |main_#t~post6| 10)} [86] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 10)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1547#false} is VALID [2022-04-28 00:09:21,806 INFO L290 TraceCheckUtils]: 53: Hoare triple {1747#(< ~counter~0 10)} [83] L38-2-->L34-1: 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] {1743#(< |main_#t~post6| 10)} is VALID [2022-04-28 00:09:21,810 INFO L290 TraceCheckUtils]: 52: Hoare triple {1747#(< ~counter~0 10)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1747#(< ~counter~0 10)} is VALID [2022-04-28 00:09:21,811 INFO L290 TraceCheckUtils]: 51: Hoare triple {1747#(< ~counter~0 10)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1747#(< ~counter~0 10)} is VALID [2022-04-28 00:09:21,811 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1546#true} {1747#(< ~counter~0 10)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1747#(< ~counter~0 10)} is VALID [2022-04-28 00:09:21,811 INFO L290 TraceCheckUtils]: 49: Hoare triple {1546#true} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,811 INFO L290 TraceCheckUtils]: 48: Hoare triple {1546#true} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,812 INFO L290 TraceCheckUtils]: 47: Hoare triple {1546#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1546#true} is VALID [2022-04-28 00:09:21,812 INFO L272 TraceCheckUtils]: 46: Hoare triple {1747#(< ~counter~0 10)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1546#true} is VALID [2022-04-28 00:09:21,812 INFO L290 TraceCheckUtils]: 45: Hoare triple {1747#(< ~counter~0 10)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1747#(< ~counter~0 10)} is VALID [2022-04-28 00:09:21,813 INFO L290 TraceCheckUtils]: 44: Hoare triple {1775#(< ~counter~0 9)} [83] L38-2-->L34-1: 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] {1747#(< ~counter~0 10)} is VALID [2022-04-28 00:09:21,813 INFO L290 TraceCheckUtils]: 43: Hoare triple {1775#(< ~counter~0 9)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1775#(< ~counter~0 9)} is VALID [2022-04-28 00:09:21,813 INFO L290 TraceCheckUtils]: 42: Hoare triple {1775#(< ~counter~0 9)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1775#(< ~counter~0 9)} is VALID [2022-04-28 00:09:21,814 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1546#true} {1775#(< ~counter~0 9)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1775#(< ~counter~0 9)} is VALID [2022-04-28 00:09:21,814 INFO L290 TraceCheckUtils]: 40: Hoare triple {1546#true} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,814 INFO L290 TraceCheckUtils]: 39: Hoare triple {1546#true} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,814 INFO L290 TraceCheckUtils]: 38: Hoare triple {1546#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1546#true} is VALID [2022-04-28 00:09:21,814 INFO L272 TraceCheckUtils]: 37: Hoare triple {1775#(< ~counter~0 9)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1546#true} is VALID [2022-04-28 00:09:21,815 INFO L290 TraceCheckUtils]: 36: Hoare triple {1775#(< ~counter~0 9)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1775#(< ~counter~0 9)} is VALID [2022-04-28 00:09:21,815 INFO L290 TraceCheckUtils]: 35: Hoare triple {1803#(< ~counter~0 8)} [83] L38-2-->L34-1: 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] {1775#(< ~counter~0 9)} is VALID [2022-04-28 00:09:21,816 INFO L290 TraceCheckUtils]: 34: Hoare triple {1803#(< ~counter~0 8)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1803#(< ~counter~0 8)} is VALID [2022-04-28 00:09:21,816 INFO L290 TraceCheckUtils]: 33: Hoare triple {1803#(< ~counter~0 8)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1803#(< ~counter~0 8)} is VALID [2022-04-28 00:09:21,816 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1546#true} {1803#(< ~counter~0 8)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1803#(< ~counter~0 8)} is VALID [2022-04-28 00:09:21,817 INFO L290 TraceCheckUtils]: 31: Hoare triple {1546#true} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,817 INFO L290 TraceCheckUtils]: 30: Hoare triple {1546#true} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,817 INFO L290 TraceCheckUtils]: 29: Hoare triple {1546#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1546#true} is VALID [2022-04-28 00:09:21,817 INFO L272 TraceCheckUtils]: 28: Hoare triple {1803#(< ~counter~0 8)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1546#true} is VALID [2022-04-28 00:09:21,817 INFO L290 TraceCheckUtils]: 27: Hoare triple {1803#(< ~counter~0 8)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1803#(< ~counter~0 8)} is VALID [2022-04-28 00:09:21,818 INFO L290 TraceCheckUtils]: 26: Hoare triple {1831#(< ~counter~0 7)} [83] L38-2-->L34-1: 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] {1803#(< ~counter~0 8)} is VALID [2022-04-28 00:09:21,818 INFO L290 TraceCheckUtils]: 25: Hoare triple {1831#(< ~counter~0 7)} [99] L38-->L38-2: Formula: (and (< 0 v_main_~r~0_2) (= (+ v_main_~r~0_2 (* (- 1) v_main_~v~0_2)) v_main_~r~0_1) (= (+ v_main_~v~0_2 2) v_main_~v~0_1)) InVars {main_~v~0=v_main_~v~0_2, main_~r~0=v_main_~r~0_2} OutVars{main_~v~0=v_main_~v~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~v~0, main_~r~0] {1831#(< ~counter~0 7)} is VALID [2022-04-28 00:09:21,818 INFO L290 TraceCheckUtils]: 24: Hoare triple {1831#(< ~counter~0 7)} [95] L35-1-->L38: Formula: (not (= v_main_~r~0_9 0)) InVars {main_~r~0=v_main_~r~0_9} OutVars{main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1831#(< ~counter~0 7)} is VALID [2022-04-28 00:09:21,819 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1546#true} {1831#(< ~counter~0 7)} [105] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1831#(< ~counter~0 7)} is VALID [2022-04-28 00:09:21,819 INFO L290 TraceCheckUtils]: 22: Hoare triple {1546#true} [98] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,819 INFO L290 TraceCheckUtils]: 21: Hoare triple {1546#true} [93] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,819 INFO L290 TraceCheckUtils]: 20: Hoare triple {1546#true} [89] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1546#true} is VALID [2022-04-28 00:09:21,820 INFO L272 TraceCheckUtils]: 19: Hoare triple {1831#(< ~counter~0 7)} [90] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~r~0_10 4) (* v_main_~A~0_11 4)) (+ (* v_main_~u~0_7 v_main_~u~0_7) (* (- 1) (* v_main_~v~0_7 v_main_~v~0_7)) (* (- 2) v_main_~u~0_7) (* v_main_~v~0_7 2))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~v~0=v_main_~v~0_7, main_~A~0=v_main_~A~0_11, main_~u~0=v_main_~u~0_7, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~A~0, main_~u~0, main_~r~0] {1546#true} is VALID [2022-04-28 00:09:21,820 INFO L290 TraceCheckUtils]: 18: Hoare triple {1831#(< ~counter~0 7)} [87] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 10) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1831#(< ~counter~0 7)} is VALID [2022-04-28 00:09:21,820 INFO L290 TraceCheckUtils]: 17: Hoare triple {1859#(< ~counter~0 6)} [83] L38-2-->L34-1: 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] {1831#(< ~counter~0 7)} is VALID [2022-04-28 00:09:21,821 INFO L290 TraceCheckUtils]: 16: Hoare triple {1859#(< ~counter~0 6)} [79] L28-->L38-2: Formula: (and (= v_main_~u~0_5 (+ (* v_main_~R~0_5 2) 1)) (= v_main_~v~0_5 1) (= v_main_~r~0_6 (+ (* v_main_~R~0_5 v_main_~R~0_5) (* (- 1) v_main_~A~0_7)))) InVars {main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5} OutVars{main_~v~0=v_main_~v~0_5, main_~A~0=v_main_~A~0_7, main_~R~0=v_main_~R~0_5, main_~u~0=v_main_~u~0_5, main_~r~0=v_main_~r~0_6} AuxVars[] AssignedVars[main_~v~0, main_~u~0, main_~r~0] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,821 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1546#true} {1859#(< ~counter~0 6)} [103] assume_abort_if_notEXIT-->L28: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,821 INFO L290 TraceCheckUtils]: 14: Hoare triple {1546#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,821 INFO L290 TraceCheckUtils]: 13: Hoare triple {1546#true} [81] 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[] {1546#true} is VALID [2022-04-28 00:09:21,821 INFO L290 TraceCheckUtils]: 12: Hoare triple {1546#true} [78] 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] {1546#true} is VALID [2022-04-28 00:09:21,822 INFO L272 TraceCheckUtils]: 11: Hoare triple {1859#(< ~counter~0 6)} [77] L26-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (= (let ((.cse0 (mod v_main_~A~0_10 2))) (ite (and (not (= .cse0 0)) (< v_main_~A~0_10 0)) (+ (- 2) .cse0) .cse0)) 1) 1 0)) InVars {main_~A~0=v_main_~A~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond] {1546#true} is VALID [2022-04-28 00:09:21,822 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1546#true} {1859#(< ~counter~0 6)} [102] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,822 INFO L290 TraceCheckUtils]: 9: Hoare triple {1546#true} [84] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,822 INFO L290 TraceCheckUtils]: 8: Hoare triple {1546#true} [81] 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[] {1546#true} is VALID [2022-04-28 00:09:21,823 INFO L290 TraceCheckUtils]: 7: Hoare triple {1546#true} [78] 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] {1546#true} is VALID [2022-04-28 00:09:21,823 INFO L272 TraceCheckUtils]: 6: Hoare triple {1859#(< ~counter~0 6)} [76] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (< (+ (* v_main_~R~0_6 v_main_~R~0_6) 1) (+ (* v_main_~R~0_6 2) v_main_~A~0_9)) 1 0)) InVars {main_~A~0=v_main_~A~0_9, main_~R~0=v_main_~R~0_6} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~A~0, assume_abort_if_not_#in~cond, main_~R~0] {1546#true} is VALID [2022-04-28 00:09:21,823 INFO L290 TraceCheckUtils]: 5: Hoare triple {1859#(< ~counter~0 6)} [74] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~R~0_1 |v_main_#t~nondet5_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~A~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_4, main_~A~0=v_main_~A~0_2, main_~R~0=v_main_~R~0_1, main_~u~0=v_main_~u~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~v~0, main_~A~0, main_~R~0, main_~u~0, main_~r~0] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,824 INFO L272 TraceCheckUtils]: 4: Hoare triple {1859#(< ~counter~0 6)} [71] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,824 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1859#(< ~counter~0 6)} {1546#true} [101] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,824 INFO L290 TraceCheckUtils]: 2: Hoare triple {1859#(< ~counter~0 6)} [75] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,825 INFO L290 TraceCheckUtils]: 1: Hoare triple {1546#true} [72] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 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] {1859#(< ~counter~0 6)} is VALID [2022-04-28 00:09:21,825 INFO L272 TraceCheckUtils]: 0: Hoare triple {1546#true} [70] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1546#true} is VALID [2022-04-28 00:09:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-28 00:09:21,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 00:09:21,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346853015] [2022-04-28 00:09:21,829 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 00:09:21,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684450044] [2022-04-28 00:09:21,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684450044] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 00:09:21,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 00:09:21,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-04-28 00:09:21,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703800387] [2022-04-28 00:09:21,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 00:09:21,832 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) Word has length 59 [2022-04-28 00:09:21,834 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 00:09:21,834 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) [2022-04-28 00:09:21,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:21,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-28 00:09:21,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 00:09:21,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-28 00:09:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-04-28 00:09:21,915 INFO L87 Difference]: Start difference. First operand 56 states and 61 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) [2022-04-28 00:09:22,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:22,348 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2022-04-28 00:09:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-28 00:09:22,349 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) Word has length 59 [2022-04-28 00:09:22,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 00:09:22,349 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) [2022-04-28 00:09:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 130 transitions. [2022-04-28 00:09:22,354 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) [2022-04-28 00:09:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 130 transitions. [2022-04-28 00:09:22,358 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 130 transitions. [2022-04-28 00:09:22,470 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 00:09:22,473 INFO L225 Difference]: With dead ends: 115 [2022-04-28 00:09:22,473 INFO L226 Difference]: Without dead ends: 110 [2022-04-28 00:09:22,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2022-04-28 00:09:22,474 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 88 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 00:09:22,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 142 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 00:09:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-04-28 00:09:22,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-04-28 00:09:22,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 00:09:22,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 00:09:22,523 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 00:09:22,524 INFO L87 Difference]: Start difference. First operand 110 states. Second operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 00:09:22,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:22,528 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2022-04-28 00:09:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2022-04-28 00:09:22,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:22,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:22,529 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 110 states. [2022-04-28 00:09:22,529 INFO L87 Difference]: Start difference. First operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 110 states. [2022-04-28 00:09:22,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 00:09:22,533 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2022-04-28 00:09:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2022-04-28 00:09:22,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 00:09:22,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 00:09:22,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 00:09:22,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 00:09:22,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 82 states have internal predecessors, (93), 15 states have call successors, (15), 14 states have call predecessors, (15), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 00:09:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2022-04-28 00:09:22,539 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 59 [2022-04-28 00:09:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 00:09:22,539 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2022-04-28 00:09:22,540 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, (16), 8 states have call predecessors, (16), 7 states have return successors, (14), 10 states have call predecessors, (14), 11 states have call successors, (14) [2022-04-28 00:09:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2022-04-28 00:09:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-28 00:09:22,543 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 00:09:22,543 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 00:09:22,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-28 00:09:22,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:22,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 00:09:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 00:09:22,760 INFO L85 PathProgramCache]: Analyzing trace with hash 191644600, now seen corresponding path program 3 times [2022-04-28 00:09:22,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 00:09:22,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001419092] [2022-04-28 00:09:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 00:09:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 00:09:22,780 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 00:09:22,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804700836] [2022-04-28 00:09:22,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-28 00:09:22,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 00:09:22,781 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) [2022-04-28 00:09:22,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 00:09:24,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-04-28 00:09:24,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-28 00:09:24,978 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 00:09:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 00:09:25,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 00:09:25,079 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-28 00:09:25,080 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 00:09:25,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 00:09:25,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 00:09:25,291 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-04-28 00:09:25,293 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-04-28 00:09:25,348 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2022-04-28 00:09:25,349 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-28 00:09:25,350 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-28 00:09:25,350 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-28 00:09:25,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 12:09:25 BasicIcfg [2022-04-28 00:09:25,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 00:09:25,351 INFO L158 Benchmark]: Toolchain (without parser) took 37149.99ms. Allocated memory was 177.2MB in the beginning and 224.4MB in the end (delta: 47.2MB). Free memory was 120.2MB in the beginning and 183.6MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 00:09:25,352 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 177.2MB. Free memory was 137.1MB in the beginning and 137.0MB in the end (delta: 84.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 00:09:25,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.75ms. Allocated memory was 177.2MB in the beginning and 224.4MB in the end (delta: 47.2MB). Free memory was 120.0MB in the beginning and 196.7MB in the end (delta: -76.7MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-04-28 00:09:25,352 INFO L158 Benchmark]: Boogie Preprocessor took 59.41ms. Allocated memory is still 224.4MB. Free memory was 196.7MB in the beginning and 195.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-28 00:09:25,352 INFO L158 Benchmark]: RCFGBuilder took 546.90ms. Allocated memory is still 224.4MB. Free memory was 195.3MB in the beginning and 183.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-28 00:09:25,352 INFO L158 Benchmark]: IcfgTransformer took 104.66ms. Allocated memory is still 224.4MB. Free memory was 183.1MB in the beginning and 181.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-28 00:09:25,353 INFO L158 Benchmark]: TraceAbstraction took 36001.74ms. Allocated memory is still 224.4MB. Free memory was 180.6MB in the beginning and 183.6MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 00:09:25,354 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 0.13ms. Allocated memory is still 177.2MB. Free memory was 137.1MB in the beginning and 137.0MB in the end (delta: 84.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.75ms. Allocated memory was 177.2MB in the beginning and 224.4MB in the end (delta: 47.2MB). Free memory was 120.0MB in the beginning and 196.7MB in the end (delta: -76.7MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.41ms. Allocated memory is still 224.4MB. Free memory was 196.7MB in the beginning and 195.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 546.90ms. Allocated memory is still 224.4MB. Free memory was 195.3MB in the beginning and 183.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 104.66ms. Allocated memory is still 224.4MB. Free memory was 183.1MB in the beginning and 181.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 36001.74ms. Allocated memory is still 224.4MB. Free memory was 180.6MB in the beginning and 183.6MB in the end (delta: -3.0MB). There was no memory consumed. 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)=14, counter=0] [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L26] CALL assume_abort_if_not(((long long) R - 1) * ((long long) R - 1) < A) 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(((long long) R - 1) * ((long long) R - 1) < A) VAL [\old(counter)=0, A=2603, counter=0, R=52] [L28] CALL assume_abort_if_not(A % 2 == 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] [L28] RET assume_abort_if_not(A % 2 == 1) VAL [\old(counter)=0, A=2603, counter=0, R=52] [L30] u = ((long long) 2 * R) + 1 [L31] v = 1 [L32] r = ((long long) R * R) - A VAL [\old(counter)=0, A=2603, counter=0, R=52, r=101, u=105, v=1] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=1, counter++=0, r=101, R=52, u=105, v=1] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=1, R=52, r=101, u=105, v=1] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=1, R=52, r=101, u=105, v=1] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=1, r=100, R=52, u=105, v=3] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=2, counter++=1, r=100, R=52, u=105, v=3] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=2, r=100, R=52, u=105, v=3] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=2, r=100, R=52, u=105, v=3] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=2, R=52, r=97, u=105, v=5] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=3, counter++=2, R=52, r=97, u=105, v=5] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=3, r=97, R=52, u=105, v=5] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=3, R=52, r=97, u=105, v=5] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=3, r=92, R=52, u=105, v=7] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=4, counter++=3, R=52, r=92, u=105, v=7] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=4, R=52, r=92, u=105, v=7] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=4, r=92, R=52, u=105, v=7] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=4, r=85, R=52, u=105, v=9] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=5, counter++=4, R=52, r=85, u=105, v=9] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=5, r=85, R=52, u=105, v=9] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=5, r=85, R=52, u=105, v=9] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=5, R=52, r=76, u=105, v=11] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=6, counter++=5, r=76, R=52, u=105, v=11] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=6] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=6] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=6, R=52, r=76, u=105, v=11] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=6, r=76, R=52, u=105, v=11] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=6, r=65, R=52, u=105, v=13] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=7, counter++=6, r=65, R=52, u=105, v=13] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=7] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=7] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=7, r=65, R=52, u=105, v=13] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=7, r=65, R=52, u=105, v=13] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=7, R=52, r=52, u=105, v=15] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=8, counter++=7, r=52, R=52, u=105, v=15] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=8] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=8] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=8, R=52, r=52, u=105, v=15] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=8, R=52, r=52, u=105, v=15] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=8, r=37, R=52, u=105, v=17] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=9, counter++=8, R=52, r=37, u=105, v=17] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=9] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=9] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=9, R=52, r=37, u=105, v=17] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=9, R=52, r=37, u=105, v=17] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=9, R=52, r=20, u=105, v=19] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=10, counter++=9, R=52, r=20, u=105, v=19] [L34] COND TRUE counter++<10 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, \old(counter)=0, counter=10] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=10] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(counter)=0, A=2603, counter=10, R=52, r=20, u=105, v=19] [L36] COND FALSE !(!(r != 0)) VAL [\old(counter)=0, A=2603, counter=10, r=20, R=52, u=105, v=19] [L38] COND TRUE r > 0 [L39] r = r - v [L40] v = v + 2 VAL [\old(counter)=0, A=2603, counter=10, R=52, r=1, u=105, v=21] [L34] EXPR counter++ VAL [\old(counter)=0, A=2603, counter=11, counter++=10, R=52, r=1, u=105, v=21] [L34] COND FALSE !(counter++<10) [L48] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.8s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 169 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=6, InterpolantAutomatonStates: 51, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 779 SizeOfPredicates, 17 NumberOfNonLiveVariables, 665 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 82/188 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-28 00:09:25,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...