/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/mannadiv_valuebound10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 04:14:26,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 04:14:26,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 04:14:26,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-15 04:14:26,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-15 04:14:26,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-15 04:14:26,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-15 04:14:26,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-15 04:14:26,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-15 04:14:26,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-15 04:14:26,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-15 04:14:26,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-15 04:14:26,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 04:14:26,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 04:14:26,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 04:14:26,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 04:14:26,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 04:14:26,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 04:14:26,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 04:14:26,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 04:14:26,767 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 04:14:26,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 04:14:26,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 04:14:26,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 04:14:26,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 04:14:26,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 04:14:26,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 04:14:26,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 04:14:26,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 04:14:26,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-15 04:14:26,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 04:14:26,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 04:14:26,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-15 04:14:26,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-15 04:14:26,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-15 04:14:26,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-15 04:14:26,809 INFO L138 SettingsManager]: * Use SBE=true [2022-04-15 04:14:26,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 04:14:26,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 04:14:26,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 04:14:26,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:14:26,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-15 04:14:26,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-15 04:14:26,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-15 04:14:26,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 04:14:26,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-15 04:14:26,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-15 04:14:26,813 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-15 04:14:26,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 04:14:27,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 04:14:27,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 04:14:27,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 04:14:27,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 04:14:27,106 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 04:14:27,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound10.c [2022-04-15 04:14:27,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591778fc7/0705191dcd1d448682297656a5a78632/FLAGbfb28a76a [2022-04-15 04:14:27,508 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 04:14:27,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound10.c [2022-04-15 04:14:27,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591778fc7/0705191dcd1d448682297656a5a78632/FLAGbfb28a76a [2022-04-15 04:14:27,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591778fc7/0705191dcd1d448682297656a5a78632 [2022-04-15 04:14:27,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 04:14:27,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-15 04:14:27,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 04:14:27,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 04:14:27,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 04:14:27,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:14:27" (1/1) ... [2022-04-15 04:14:27,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e531b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:27, skipping insertion in model container [2022-04-15 04:14:27,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:14:27" (1/1) ... [2022-04-15 04:14:27,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 04:14:27,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 04:14:28,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2022-04-15 04:14:28,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:14:28,142 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 04:14:28,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2022-04-15 04:14:28,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:14:28,189 INFO L208 MainTranslator]: Completed translation [2022-04-15 04:14:28,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28 WrapperNode [2022-04-15 04:14:28,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 04:14:28,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 04:14:28,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 04:14:28,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 04:14:28,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 04:14:28,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 04:14:28,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 04:14:28,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 04:14:28,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:14:28,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:14:28,275 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) [2022-04-15 04:14:28,292 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 [2022-04-15 04:14:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 04:14:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 04:14:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 04:14:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 04:14:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 04:14:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 04:14:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 04:14:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 04:14:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 04:14:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 04:14:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 04:14:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 04:14:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 04:14:28,355 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 04:14:28,357 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 04:14:28,472 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 04:14:28,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 04:14:28,477 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 04:14:28,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:14:28 BoogieIcfgContainer [2022-04-15 04:14:28,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 04:14:28,479 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-15 04:14:28,479 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-15 04:14:28,480 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-15 04:14:28,482 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:14:28" (1/1) ... [2022-04-15 04:14:28,483 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-15 04:14:28,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:14:28 BasicIcfg [2022-04-15 04:14:28,497 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-15 04:14:28,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 04:14:28,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 04:14:28,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 04:14:28,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 04:14:27" (1/4) ... [2022-04-15 04:14:28,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fa1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:14:28, skipping insertion in model container [2022-04-15 04:14:28,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:14:28" (2/4) ... [2022-04-15 04:14:28,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fa1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:14:28, skipping insertion in model container [2022-04-15 04:14:28,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:14:28" (3/4) ... [2022-04-15 04:14:28,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fa1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 04:14:28, skipping insertion in model container [2022-04-15 04:14:28,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:14:28" (4/4) ... [2022-04-15 04:14:28,502 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound10.cqvasr [2022-04-15 04:14:28,505 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-15 04:14:28,505 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 04:14:28,533 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 04:14:28,537 INFO L340 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 [2022-04-15 04:14:28,537 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 04:14:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 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) [2022-04-15 04:14:28,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-15 04:14:28,554 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:14:28,555 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:14:28,555 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:14:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:14:28,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1058806997, now seen corresponding path program 1 times [2022-04-15 04:14:28,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:14:28,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399568707] [2022-04-15 04:14:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:14:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:14:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 04:14:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:28,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {45#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [71] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#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[#NULL.offset, #NULL.base] {32#true} is VALID [2022-04-15 04:14:28,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} [74] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,705 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {32#true} {32#true} [99] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 04:14:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:28,715 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:14:28,716 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {32#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} [100] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-15 04:14:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:28,722 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:14:28,722 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,722 INFO L290 TraceCheckUtils]: 2: Hoare triple {32#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,723 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} [101] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,724 INFO L272 TraceCheckUtils]: 0: Hoare triple {32#true} [69] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {45#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 04:14:28,724 INFO L290 TraceCheckUtils]: 1: Hoare triple {45#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [71] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#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[#NULL.offset, #NULL.base] {32#true} is VALID [2022-04-15 04:14:28,724 INFO L290 TraceCheckUtils]: 2: Hoare triple {32#true} [74] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,724 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} [99] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,725 INFO L272 TraceCheckUtils]: 4: Hoare triple {32#true} [70] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,725 INFO L290 TraceCheckUtils]: 5: Hoare triple {32#true} [73] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~x2~0_3 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_3, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_3, main_~y2~0=v_main_~y2~0_4, main_~y1~0=v_main_~y1~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {32#true} is VALID [2022-04-15 04:14:28,725 INFO L272 TraceCheckUtils]: 6: Hoare triple {32#true} [75] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {32#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:14:28,726 INFO L290 TraceCheckUtils]: 8: Hoare triple {32#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,726 INFO L290 TraceCheckUtils]: 9: Hoare triple {32#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,726 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {32#true} {32#true} [100] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,726 INFO L272 TraceCheckUtils]: 11: Hoare triple {32#true} [76] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,726 INFO L290 TraceCheckUtils]: 12: Hoare triple {32#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:14:28,727 INFO L290 TraceCheckUtils]: 13: Hoare triple {32#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,727 INFO L290 TraceCheckUtils]: 14: Hoare triple {32#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:14:28,727 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {32#true} {32#true} [101] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:14:28,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {32#true} [78] L29-->L40-2: Formula: (and (= v_main_~x1~0_6 v_main_~y3~0_4) (= v_main_~y1~0_3 0) (= v_main_~y2~0_5 0)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_4, main_~y2~0=v_main_~y2~0_5, main_~y1~0=v_main_~y1~0_3} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {32#true} is VALID [2022-04-15 04:14:28,728 INFO L290 TraceCheckUtils]: 17: Hoare triple {32#true} [81] L40-2-->L35-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:14:28,728 INFO L272 TraceCheckUtils]: 18: Hoare triple {33#false} [85] L35-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {33#false} is VALID [2022-04-15 04:14:28,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {33#false} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {33#false} is VALID [2022-04-15 04:14:28,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {33#false} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:14:28,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {33#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:14:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-15 04:14:28,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:14:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399568707] [2022-04-15 04:14:28,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399568707] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:14:28,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:14:28,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 04:14:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381585650] [2022-04-15 04:14:28,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:14:28,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-15 04:14:28,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:14:28,738 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:28,765 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:28,765 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 04:14:28,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:14:28,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 04:14:28,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 04:14:28,781 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:28,874 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2022-04-15 04:14:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 04:14:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-15 04:14:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:14:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2022-04-15 04:14:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2022-04-15 04:14:28,889 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 68 transitions. [2022-04-15 04:14:28,973 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:28,979 INFO L225 Difference]: With dead ends: 51 [2022-04-15 04:14:28,980 INFO L226 Difference]: Without dead ends: 24 [2022-04-15 04:14:28,981 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 04:14:28,984 INFO L913 BasicCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:14:28,984 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:14:28,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-15 04:14:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-04-15 04:14:29,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:14:29,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2022-04-15 04:14:29,005 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2022-04-15 04:14:29,005 INFO L87 Difference]: Start difference. First operand 24 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2022-04-15 04:14:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:29,019 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-04-15 04:14:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-04-15 04:14:29,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:29,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:29,020 INFO L74 IsIncluded]: Start isIncluded. First operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 24 states. [2022-04-15 04:14:29,021 INFO L87 Difference]: Start difference. First operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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 24 states. [2022-04-15 04:14:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:29,026 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-04-15 04:14:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-04-15 04:14:29,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:29,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:29,027 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:14:29,027 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:14:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2022-04-15 04:14:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-04-15 04:14:29,031 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 22 [2022-04-15 04:14:29,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:14:29,032 INFO L478 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-04-15 04:14:29,032 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-04-15 04:14:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-15 04:14:29,033 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:14:29,033 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:14:29,033 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 04:14:29,033 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:14:29,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:14:29,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1056930164, now seen corresponding path program 1 times [2022-04-15 04:14:29,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:14:29,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127367929] [2022-04-15 04:14:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:14:29,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:14:29,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:14:29,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1643702076] [2022-04-15 04:14:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:14:29,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:14:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:14:29,064 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) [2022-04-15 04:14:29,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 04:14:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:29,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-15 04:14:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:29,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:14:29,353 INFO L272 TraceCheckUtils]: 0: Hoare triple {199#true} [69] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,354 INFO L290 TraceCheckUtils]: 1: Hoare triple {199#true} [71] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#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[#NULL.offset, #NULL.base] {199#true} is VALID [2022-04-15 04:14:29,355 INFO L290 TraceCheckUtils]: 2: Hoare triple {199#true} [74] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,355 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {199#true} {199#true} [99] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,355 INFO L272 TraceCheckUtils]: 4: Hoare triple {199#true} [70] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,355 INFO L290 TraceCheckUtils]: 5: Hoare triple {199#true} [73] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~x2~0_3 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_3, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_3, main_~y2~0=v_main_~y2~0_4, main_~y1~0=v_main_~y1~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {199#true} is VALID [2022-04-15 04:14:29,356 INFO L272 TraceCheckUtils]: 6: Hoare triple {199#true} [75] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {199#true} is VALID [2022-04-15 04:14:29,356 INFO L290 TraceCheckUtils]: 7: Hoare triple {199#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {199#true} is VALID [2022-04-15 04:14:29,356 INFO L290 TraceCheckUtils]: 8: Hoare triple {199#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {199#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {199#true} is VALID [2022-04-15 04:14:29,356 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {199#true} {199#true} [100] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {199#true} is VALID [2022-04-15 04:14:29,358 INFO L272 TraceCheckUtils]: 11: Hoare triple {199#true} [76] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {199#true} is VALID [2022-04-15 04:14:29,360 INFO L290 TraceCheckUtils]: 12: Hoare triple {199#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {240#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 04:14:29,360 INFO L290 TraceCheckUtils]: 13: Hoare triple {240#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {244#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:14:29,361 INFO L290 TraceCheckUtils]: 14: Hoare triple {244#(not (= |assume_abort_if_not_#in~cond| 0))} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {244#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:14:29,362 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {244#(not (= |assume_abort_if_not_#in~cond| 0))} {199#true} [101] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {251#(not (= main_~x2~0 0))} is VALID [2022-04-15 04:14:29,365 INFO L290 TraceCheckUtils]: 16: Hoare triple {251#(not (= main_~x2~0 0))} [78] L29-->L40-2: Formula: (and (= v_main_~x1~0_6 v_main_~y3~0_4) (= v_main_~y1~0_3 0) (= v_main_~y2~0_5 0)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_4, main_~y2~0=v_main_~y2~0_5, main_~y1~0=v_main_~y1~0_3} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {255#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-15 04:14:29,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {255#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [83] L40-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {255#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} is VALID [2022-04-15 04:14:29,367 INFO L272 TraceCheckUtils]: 18: Hoare triple {255#(and (= main_~y2~0 0) (= main_~y1~0 0) (not (= main_~x2~0 0)) (= main_~x1~0 main_~y3~0))} [86] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {262#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:14:29,368 INFO L290 TraceCheckUtils]: 19: Hoare triple {262#(<= 1 |__VERIFIER_assert_#in~cond|)} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {266#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:14:29,368 INFO L290 TraceCheckUtils]: 20: Hoare triple {266#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {200#false} is VALID [2022-04-15 04:14:29,369 INFO L290 TraceCheckUtils]: 21: Hoare triple {200#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {200#false} is VALID [2022-04-15 04:14:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-15 04:14:29,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:14:29,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:14:29,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127367929] [2022-04-15 04:14:29,370 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:14:29,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643702076] [2022-04-15 04:14:29,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643702076] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:14:29,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:14:29,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 04:14:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475537772] [2022-04-15 04:14:29,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:14:29,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-15 04:14:29,377 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:14:29,378 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,399 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:29,399 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 04:14:29,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:14:29,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 04:14:29,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-15 04:14:29,403 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:29,604 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-04-15 04:14:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 04:14:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-15 04:14:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:14:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2022-04-15 04:14:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2022-04-15 04:14:29,609 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 40 transitions. [2022-04-15 04:14:29,637 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:29,639 INFO L225 Difference]: With dead ends: 35 [2022-04-15 04:14:29,639 INFO L226 Difference]: Without dead ends: 33 [2022-04-15 04:14:29,639 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-15 04:14:29,640 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 04:14:29,640 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 86 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 04:14:29,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-15 04:14:29,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2022-04-15 04:14:29,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:14:29,646 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-04-15 04:14:29,646 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-04-15 04:14:29,646 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-04-15 04:14:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:29,648 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-04-15 04:14:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-04-15 04:14:29,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:29,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:29,649 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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 33 states. [2022-04-15 04:14:29,649 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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 33 states. [2022-04-15 04:14:29,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:29,651 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-04-15 04:14:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-04-15 04:14:29,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:29,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:29,652 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:14:29,652 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:14:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-04-15 04:14:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-04-15 04:14:29,653 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2022-04-15 04:14:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:14:29,654 INFO L478 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-04-15 04:14:29,654 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-15 04:14:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-04-15 04:14:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-15 04:14:29,655 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:14:29,655 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:14:29,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-15 04:14:29,871 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:14:29,871 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:14:29,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:14:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash -127181274, now seen corresponding path program 1 times [2022-04-15 04:14:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:14:29,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712559774] [2022-04-15 04:14:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:14:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:14:29,891 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:14:29,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710954012] [2022-04-15 04:14:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:14:29,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:14:29,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:14:29,893 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) [2022-04-15 04:14:29,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 04:14:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:29,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-15 04:14:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:14:29,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:14:30,108 INFO L272 TraceCheckUtils]: 0: Hoare triple {436#true} [69] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L290 TraceCheckUtils]: 1: Hoare triple {436#true} [71] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#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[#NULL.offset, #NULL.base] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L290 TraceCheckUtils]: 2: Hoare triple {436#true} [74] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {436#true} {436#true} [99] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L272 TraceCheckUtils]: 4: Hoare triple {436#true} [70] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {436#true} [73] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~x2~0_3 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_3, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_3, main_~y2~0=v_main_~y2~0_4, main_~y1~0=v_main_~y1~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {436#true} is VALID [2022-04-15 04:14:30,109 INFO L272 TraceCheckUtils]: 6: Hoare triple {436#true} [75] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L290 TraceCheckUtils]: 7: Hoare triple {436#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L290 TraceCheckUtils]: 8: Hoare triple {436#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L290 TraceCheckUtils]: 9: Hoare triple {436#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {436#true} {436#true} [100] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L272 TraceCheckUtils]: 11: Hoare triple {436#true} [76] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L290 TraceCheckUtils]: 12: Hoare triple {436#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {436#true} is VALID [2022-04-15 04:14:30,110 INFO L290 TraceCheckUtils]: 13: Hoare triple {436#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,111 INFO L290 TraceCheckUtils]: 14: Hoare triple {436#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,111 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {436#true} {436#true} [101] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:30,111 INFO L290 TraceCheckUtils]: 16: Hoare triple {436#true} [78] L29-->L40-2: Formula: (and (= v_main_~x1~0_6 v_main_~y3~0_4) (= v_main_~y1~0_3 0) (= v_main_~y2~0_5 0)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_4, main_~y2~0=v_main_~y2~0_5, main_~y1~0=v_main_~y1~0_3} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {436#true} is VALID [2022-04-15 04:14:30,111 INFO L290 TraceCheckUtils]: 17: Hoare triple {436#true} [83] L40-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:30,111 INFO L272 TraceCheckUtils]: 18: Hoare triple {436#true} [86] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {436#true} is VALID [2022-04-15 04:14:30,112 INFO L290 TraceCheckUtils]: 19: Hoare triple {436#true} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:14:30,112 INFO L290 TraceCheckUtils]: 20: Hoare triple {498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:14:30,113 INFO L290 TraceCheckUtils]: 21: Hoare triple {502#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:14:30,113 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {502#(not (= |__VERIFIER_assert_#in~cond| 0))} {436#true} [103] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {509#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} is VALID [2022-04-15 04:14:30,114 INFO L290 TraceCheckUtils]: 23: Hoare triple {509#(= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)} [89] L36-1-->L35-2: Formula: (= v_main_~y3~0_6 0) InVars {main_~y3~0=v_main_~y3~0_6} OutVars{main_~y3~0=v_main_~y3~0_6} AuxVars[] AssignedVars[] {513#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-15 04:14:30,115 INFO L272 TraceCheckUtils]: 24: Hoare triple {513#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L35-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {517#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:14:30,115 INFO L290 TraceCheckUtils]: 25: Hoare triple {517#(<= 1 |__VERIFIER_assert_#in~cond|)} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {521#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:14:30,115 INFO L290 TraceCheckUtils]: 26: Hoare triple {521#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {437#false} is VALID [2022-04-15 04:14:30,116 INFO L290 TraceCheckUtils]: 27: Hoare triple {437#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {437#false} is VALID [2022-04-15 04:14:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-15 04:14:30,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:14:34,917 INFO L290 TraceCheckUtils]: 27: Hoare triple {437#false} [96] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {437#false} is VALID [2022-04-15 04:14:34,917 INFO L290 TraceCheckUtils]: 26: Hoare triple {521#(<= 1 __VERIFIER_assert_~cond)} [92] L16-->L17: Formula: (= v___VERIFIER_assert_~cond_1 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {437#false} is VALID [2022-04-15 04:14:34,918 INFO L290 TraceCheckUtils]: 25: Hoare triple {517#(<= 1 |__VERIFIER_assert_#in~cond|)} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {521#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:14:34,919 INFO L272 TraceCheckUtils]: 24: Hoare triple {513#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} [85] L35-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ v_main_~y2~0_10 (* v_main_~y1~0_8 v_main_~x2~0_11)) v_main_~x1~0_10) 1 0)) InVars {main_~x2~0=v_main_~x2~0_11, main_~x1~0=v_main_~x1~0_10, main_~y2~0=v_main_~y2~0_10, main_~y1~0=v_main_~y1~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {517#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:14:34,919 INFO L290 TraceCheckUtils]: 23: Hoare triple {540#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} [89] L36-1-->L35-2: Formula: (= v_main_~y3~0_6 0) InVars {main_~y3~0=v_main_~y3~0_6} OutVars{main_~y3~0=v_main_~y3~0_6} AuxVars[] AssignedVars[] {513#(= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0)} is VALID [2022-04-15 04:14:34,920 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {502#(not (= |__VERIFIER_assert_#in~cond| 0))} {436#true} [103] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {540#(or (not (= main_~y3~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y2~0) main_~x1~0))} is VALID [2022-04-15 04:14:34,921 INFO L290 TraceCheckUtils]: 21: Hoare triple {502#(not (= |__VERIFIER_assert_#in~cond| 0))} [98] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:14:34,921 INFO L290 TraceCheckUtils]: 20: Hoare triple {553#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [93] L16-->L16-2: Formula: (not (= v___VERIFIER_assert_~cond_2 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:14:34,921 INFO L290 TraceCheckUtils]: 19: Hoare triple {436#true} [88] __VERIFIER_assertENTRY-->L16: Formula: (= v___VERIFIER_assert_~cond_3 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {553#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 04:14:34,922 INFO L272 TraceCheckUtils]: 18: Hoare triple {436#true} [86] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x1~0_9 (+ (* v_main_~y1~0_7 v_main_~x2~0_10) v_main_~y2~0_9 v_main_~y3~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~x2~0=v_main_~x2~0_10, main_~x1~0=v_main_~x1~0_9, main_~y3~0=v_main_~y3~0_10, main_~y2~0=v_main_~y2~0_9, main_~y1~0=v_main_~y1~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L290 TraceCheckUtils]: 17: Hoare triple {436#true} [83] L40-2-->L36: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L290 TraceCheckUtils]: 16: Hoare triple {436#true} [78] L29-->L40-2: Formula: (and (= v_main_~x1~0_6 v_main_~y3~0_4) (= v_main_~y1~0_3 0) (= v_main_~y2~0_5 0)) InVars {main_~x1~0=v_main_~x1~0_6} OutVars{main_~x1~0=v_main_~x1~0_6, main_~y3~0=v_main_~y3~0_4, main_~y2~0=v_main_~y2~0_5, main_~y1~0=v_main_~y1~0_3} AuxVars[] AssignedVars[main_~y3~0, main_~y2~0, main_~y1~0] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {436#true} {436#true} [101] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {436#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L290 TraceCheckUtils]: 13: Hoare triple {436#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,922 INFO L290 TraceCheckUtils]: 12: Hoare triple {436#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L272 TraceCheckUtils]: 11: Hoare triple {436#true} [76] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (not (= v_main_~x2~0_9 0)) 1 0)) InVars {main_~x2~0=v_main_~x2~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~x2~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {436#true} {436#true} [100] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L290 TraceCheckUtils]: 9: Hoare triple {436#true} [84] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L290 TraceCheckUtils]: 8: Hoare triple {436#true} [80] L13-->L13-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L290 TraceCheckUtils]: 7: Hoare triple {436#true} [77] assume_abort_if_notENTRY-->L13: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {436#true} is VALID [2022-04-15 04:14:34,923 INFO L272 TraceCheckUtils]: 6: Hoare triple {436#true} [75] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 0 v_main_~x1~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~x1~0=v_main_~x1~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x1~0, assume_abort_if_not_#in~cond] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L290 TraceCheckUtils]: 5: Hoare triple {436#true} [73] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x1~0_2 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~x2~0_3 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~x2~0=v_main_~x2~0_3, main_~x1~0=v_main_~x1~0_2, main_~y3~0=v_main_~y3~0_3, main_~y2~0=v_main_~y2~0_4, main_~y1~0=v_main_~y1~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~y3~0, main_~y2~0, main_~y1~0, main_~x2~0, main_~x1~0] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L272 TraceCheckUtils]: 4: Hoare triple {436#true} [70] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {436#true} {436#true} [99] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L290 TraceCheckUtils]: 2: Hoare triple {436#true} [74] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L290 TraceCheckUtils]: 1: Hoare triple {436#true} [71] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#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[#NULL.offset, #NULL.base] {436#true} is VALID [2022-04-15 04:14:34,924 INFO L272 TraceCheckUtils]: 0: Hoare triple {436#true} [69] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {436#true} is VALID [2022-04-15 04:14:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-15 04:14:34,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:14:34,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712559774] [2022-04-15 04:14:34,925 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:14:34,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710954012] [2022-04-15 04:14:34,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710954012] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 04:14:34,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 04:14:34,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-15 04:14:34,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821025818] [2022-04-15 04:14:34,926 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 04:14:34,926 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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 28 [2022-04-15 04:14:34,926 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:14:34,926 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-04-15 04:14:34,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:34,959 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-15 04:14:34,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:14:34,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-15 04:14:34,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-15 04:14:34,960 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-04-15 04:14:35,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:35,106 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-04-15 04:14:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 04:14:35,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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 28 [2022-04-15 04:14:35,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:14:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-04-15 04:14:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2022-04-15 04:14:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-04-15 04:14:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2022-04-15 04:14:35,109 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 27 transitions. [2022-04-15 04:14:35,129 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:14:35,129 INFO L225 Difference]: With dead ends: 30 [2022-04-15 04:14:35,129 INFO L226 Difference]: Without dead ends: 0 [2022-04-15 04:14:35,130 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-04-15 04:14:35,130 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:14:35,131 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 71 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:14:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-15 04:14:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-15 04:14:35,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:14:35,131 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 04:14:35,132 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 04:14:35,132 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 04:14:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:35,132 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-15 04:14:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 04:14:35,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:35,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:35,132 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-15 04:14:35,132 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-15 04:14:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:14:35,132 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-15 04:14:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 04:14:35,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:35,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:14:35,133 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:14:35,133 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:14:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-15 04:14:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-15 04:14:35,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-04-15 04:14:35,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:14:35,133 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-15 04:14:35,134 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-04-15 04:14:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-15 04:14:35,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:14:35,136 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-15 04:14:35,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-15 04:14:35,355 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-15 04:14:35,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-15 04:14:35,424 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-15 04:14:35,425 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L885 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 12 14) the Hoare annotation is: true [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point L13-2(lines 12 14) no Hoare annotation was computed. [2022-04-15 04:14:35,425 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2022-04-15 04:14:35,426 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 22 51) the Hoare annotation is: true [2022-04-15 04:14:35,426 INFO L885 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: true [2022-04-15 04:14:35,426 INFO L885 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: true [2022-04-15 04:14:35,426 INFO L882 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-04-15 04:14:35,426 INFO L878 garLoopResultBuilder]: At program point L40-2(lines 35 48) the Hoare annotation is: (and (not (= main_~x2~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)) [2022-04-15 04:14:35,426 INFO L878 garLoopResultBuilder]: At program point L35-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (* main_~x2~0 main_~y1~0))) (and (not (= main_~x2~0 0)) (= (+ .cse0 main_~y3~0 main_~y2~0) main_~x1~0) (= (+ .cse0 main_~y2~0) main_~x1~0))) [2022-04-15 04:14:35,426 INFO L878 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (and (not (= main_~x2~0 0)) (= (+ (* main_~x2~0 main_~y1~0) main_~y3~0 main_~y2~0) main_~x1~0)) [2022-04-15 04:14:35,426 INFO L882 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-04-15 04:14:35,426 INFO L882 garLoopResultBuilder]: For program point L36-1(lines 35 48) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 22 51) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point L40(lines 40 47) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 22 51) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 15 21) the Hoare annotation is: true [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2022-04-15 04:14:35,427 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2022-04-15 04:14:35,430 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-15 04:14:35,431 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-15 04:14:35,436 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2022-04-15 04:14:35,437 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-04-15 04:14:35,439 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-04-15 04:14:35,439 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-04-15 04:14:35,439 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-15 04:14:35,439 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-15 04:14:35,439 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-15 04:14:35,439 INFO L163 areAnnotationChecker]: CFG has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-15 04:14:35,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 04:14:35 BasicIcfg [2022-04-15 04:14:35,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-15 04:14:35,452 INFO L158 Benchmark]: Toolchain (without parser) took 7526.03ms. Allocated memory was 202.4MB in the beginning and 293.6MB in the end (delta: 91.2MB). Free memory was 175.9MB in the beginning and 175.3MB in the end (delta: 592.4kB). Peak memory consumption was 91.4MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,452 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 04:14:35,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.74ms. Allocated memory was 202.4MB in the beginning and 293.6MB in the end (delta: 91.2MB). Free memory was 175.5MB in the beginning and 264.7MB in the end (delta: -89.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,453 INFO L158 Benchmark]: Boogie Preprocessor took 42.99ms. Allocated memory is still 293.6MB. Free memory was 264.7MB in the beginning and 263.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,454 INFO L158 Benchmark]: RCFGBuilder took 241.56ms. Allocated memory is still 293.6MB. Free memory was 263.2MB in the beginning and 252.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,455 INFO L158 Benchmark]: IcfgTransformer took 18.15ms. Allocated memory is still 293.6MB. Free memory was 252.2MB in the beginning and 250.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,455 INFO L158 Benchmark]: TraceAbstraction took 6953.20ms. Allocated memory is still 293.6MB. Free memory was 250.1MB in the beginning and 175.3MB in the end (delta: 74.9MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. [2022-04-15 04:14:35,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.74ms. Allocated memory was 202.4MB in the beginning and 293.6MB in the end (delta: 91.2MB). Free memory was 175.5MB in the beginning and 264.7MB in the end (delta: -89.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.99ms. Allocated memory is still 293.6MB. Free memory was 264.7MB in the beginning and 263.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 241.56ms. Allocated memory is still 293.6MB. Free memory was 263.2MB in the beginning and 252.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 18.15ms. Allocated memory is still 293.6MB. Free memory was 252.2MB in the beginning and 250.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 6953.20ms. Allocated memory is still 293.6MB. Free memory was 250.1MB in the beginning and 175.3MB in the end (delta: 74.9MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 64 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 23 NumberOfFragments, 60 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 61 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 10 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 18/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: !(x2 == 0) && x2 * y1 + y3 + y2 == x1 RESULT: Ultimate proved your program to be correct! [2022-04-15 04:14:35,483 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...