/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 09:54:17,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 09:54:17,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 09:54:17,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 09:54:17,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 09:54:17,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 09:54:17,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 09:54:17,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 09:54:17,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 09:54:17,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 09:54:17,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 09:54:17,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 09:54:17,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 09:54:17,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 09:54:17,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 09:54:17,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 09:54:17,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 09:54:17,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 09:54:17,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 09:54:17,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 09:54:17,101 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 09:54:17,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 09:54:17,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 09:54:17,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 09:54:17,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 09:54:17,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 09:54:17,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 09:54:17,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 09:54:17,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 09:54:17,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-08 09:54:17,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 09:54:17,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 09:54:17,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 09:54:17,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 09:54:17,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 09:54:17,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 09:54:17,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 09:54:17,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 09:54:17,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 09:54:17,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 09:54:17,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 09:54:17,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 09:54:17,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 09:54:17,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 09:54:17,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 09:54:17,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 09:54:17,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-08 09:54:17,134 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 09:54:17,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 09:54:17,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 09:54:17,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 09:54:17,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 09:54:17,358 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 09:54:17,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-04-08 09:54:17,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53f75e4b/59c2d939c66c4f96913a5ee031a3a593/FLAG5e3b2fd28 [2022-04-08 09:54:17,780 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 09:54:17,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-04-08 09:54:17,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53f75e4b/59c2d939c66c4f96913a5ee031a3a593/FLAG5e3b2fd28 [2022-04-08 09:54:18,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53f75e4b/59c2d939c66c4f96913a5ee031a3a593 [2022-04-08 09:54:18,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 09:54:18,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 09:54:18,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 09:54:18,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 09:54:18,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 09:54:18,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c52146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18, skipping insertion in model container [2022-04-08 09:54:18,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 09:54:18,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 09:54:18,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-04-08 09:54:18,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 09:54:18,477 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 09:54:18,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-04-08 09:54:18,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 09:54:18,550 INFO L208 MainTranslator]: Completed translation [2022-04-08 09:54:18,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18 WrapperNode [2022-04-08 09:54:18,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 09:54:18,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 09:54:18,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 09:54:18,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 09:54:18,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 09:54:18,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 09:54:18,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 09:54:18,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 09:54:18,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (1/1) ... [2022-04-08 09:54:18,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 09:54:18,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:54:18,694 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) [2022-04-08 09:54:18,699 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 [2022-04-08 09:54:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 09:54:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 09:54:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 09:54:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-08 09:54:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-08 09:54:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 09:54:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 09:54:18,726 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-08 09:54:18,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-08 09:54:18,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-08 09:54:18,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 09:54:18,842 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 09:54:18,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 09:54:19,340 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 09:54:19,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 09:54:19,353 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-08 09:54:19,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 09:54:19 BoogieIcfgContainer [2022-04-08 09:54:19,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 09:54:19,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 09:54:19,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 09:54:19,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 09:54:19,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 09:54:18" (1/3) ... [2022-04-08 09:54:19,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54adef38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 09:54:19, skipping insertion in model container [2022-04-08 09:54:19,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:54:18" (2/3) ... [2022-04-08 09:54:19,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54adef38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 09:54:19, skipping insertion in model container [2022-04-08 09:54:19,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 09:54:19" (3/3) ... [2022-04-08 09:54:19,365 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2022-04-08 09:54:19,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 09:54:19,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 09:54:19,412 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 09:54:19,418 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 09:54:19,419 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 09:54:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-08 09:54:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-08 09:54:19,452 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:54:19,452 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:54:19,453 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:54:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:54:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2022-04-08 09:54:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:54:19,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1377623907] [2022-04-08 09:54:19,469 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 09:54:19,470 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 2 times [2022-04-08 09:54:19,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:54:19,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940307609] [2022-04-08 09:54:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:54:19,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:54:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:54:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:19,920 INFO L290 TraceCheckUtils]: 0: Hoare triple {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 28 + ~#Id_MCDC_113~0.offset, 8);~Id_MCDC_114~0 := 0; {132#true} is VALID [2022-04-08 09:54:19,920 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:19,921 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {132#true} {132#true} #393#return; {132#true} is VALID [2022-04-08 09:54:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 09:54:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:19,973 INFO L290 TraceCheckUtils]: 0: Hoare triple {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {132#true} is VALID [2022-04-08 09:54:19,973 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume !(~Id_MCDC_132~0 % 256 < 4); {132#true} is VALID [2022-04-08 09:54:19,973 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {132#true} is VALID [2022-04-08 09:54:19,974 INFO L290 TraceCheckUtils]: 3: Hoare triple {132#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {132#true} is VALID [2022-04-08 09:54:19,974 INFO L290 TraceCheckUtils]: 4: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:19,974 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {132#true} {132#true} #371#return; {132#true} is VALID [2022-04-08 09:54:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 09:54:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:19,990 INFO L290 TraceCheckUtils]: 0: Hoare triple {132#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {132#true} is VALID [2022-04-08 09:54:19,991 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {132#true} is VALID [2022-04-08 09:54:19,991 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {132#true} is VALID [2022-04-08 09:54:19,991 INFO L290 TraceCheckUtils]: 3: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:19,991 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {132#true} {132#true} #387#return; {132#true} is VALID [2022-04-08 09:54:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-04-08 09:54:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:19,998 INFO L290 TraceCheckUtils]: 0: Hoare triple {132#true} ~y := #in~y; {132#true} is VALID [2022-04-08 09:54:19,999 INFO L290 TraceCheckUtils]: 1: Hoare triple {132#true} assume 0 == ~y;assume false; {133#false} is VALID [2022-04-08 09:54:19,999 INFO L290 TraceCheckUtils]: 2: Hoare triple {133#false} assume true; {133#false} is VALID [2022-04-08 09:54:20,000 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {133#false} {132#true} #389#return; {133#false} is VALID [2022-04-08 09:54:20,002 INFO L272 TraceCheckUtils]: 0: Hoare triple {132#true} call ULTIMATE.init(); {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:54:20,004 INFO L290 TraceCheckUtils]: 1: Hoare triple {152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 28 + ~#Id_MCDC_113~0.offset, 8);~Id_MCDC_114~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,004 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:20,004 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {132#true} {132#true} #393#return; {132#true} is VALID [2022-04-08 09:54:20,004 INFO L272 TraceCheckUtils]: 4: Hoare triple {132#true} call #t~ret65 := main(); {132#true} is VALID [2022-04-08 09:54:20,005 INFO L290 TraceCheckUtils]: 5: Hoare triple {132#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret64.base, #t~ret64.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret64.base, #t~ret64.offset;havoc #t~ret64.base, #t~ret64.offset; {132#true} is VALID [2022-04-08 09:54:20,005 INFO L290 TraceCheckUtils]: 6: Hoare triple {132#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {132#true} is VALID [2022-04-08 09:54:20,006 INFO L272 TraceCheckUtils]: 7: Hoare triple {132#true} call Id_MCDC_100(); {132#true} is VALID [2022-04-08 09:54:20,006 INFO L290 TraceCheckUtils]: 8: Hoare triple {132#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {132#true} is VALID [2022-04-08 09:54:20,006 INFO L272 TraceCheckUtils]: 9: Hoare triple {132#true} call Id_MCDC_99(); {132#true} is VALID [2022-04-08 09:54:20,006 INFO L290 TraceCheckUtils]: 10: Hoare triple {132#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc53.base, #t~malloc53.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc53.base, #t~malloc53.offset, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);havoc #t~malloc53.base, #t~malloc53.offset; {132#true} is VALID [2022-04-08 09:54:20,008 INFO L272 TraceCheckUtils]: 11: Hoare triple {132#true} call #t~ret54 := Id_MCDC_97(); {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-08 09:54:20,008 INFO L290 TraceCheckUtils]: 12: Hoare triple {153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,008 INFO L290 TraceCheckUtils]: 13: Hoare triple {132#true} assume !(~Id_MCDC_132~0 % 256 < 4); {132#true} is VALID [2022-04-08 09:54:20,008 INFO L290 TraceCheckUtils]: 14: Hoare triple {132#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {132#true} is VALID [2022-04-08 09:54:20,009 INFO L290 TraceCheckUtils]: 15: Hoare triple {132#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {132#true} is VALID [2022-04-08 09:54:20,009 INFO L290 TraceCheckUtils]: 16: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:20,009 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {132#true} {132#true} #371#return; {132#true} is VALID [2022-04-08 09:54:20,010 INFO L290 TraceCheckUtils]: 18: Hoare triple {132#true} havoc #t~ret54;~Id_MCDC_140~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,010 INFO L290 TraceCheckUtils]: 19: Hoare triple {132#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {132#true} is VALID [2022-04-08 09:54:20,010 INFO L272 TraceCheckUtils]: 20: Hoare triple {132#true} call #t~ret63 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {132#true} is VALID [2022-04-08 09:54:20,010 INFO L290 TraceCheckUtils]: 21: Hoare triple {132#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,010 INFO L290 TraceCheckUtils]: 22: Hoare triple {132#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {132#true} is VALID [2022-04-08 09:54:20,011 INFO L290 TraceCheckUtils]: 23: Hoare triple {132#true} assume 2 != ~Id_MCDC_93 % 4294967296; {132#true} is VALID [2022-04-08 09:54:20,011 INFO L272 TraceCheckUtils]: 24: Hoare triple {132#true} call #t~ret18 := Id_MCDC_95(~Id_MCDC_93 - 1, ~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset); {132#true} is VALID [2022-04-08 09:54:20,012 INFO L290 TraceCheckUtils]: 25: Hoare triple {132#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,013 INFO L290 TraceCheckUtils]: 26: Hoare triple {132#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {132#true} is VALID [2022-04-08 09:54:20,013 INFO L290 TraceCheckUtils]: 27: Hoare triple {132#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {132#true} is VALID [2022-04-08 09:54:20,013 INFO L290 TraceCheckUtils]: 28: Hoare triple {132#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {132#true} is VALID [2022-04-08 09:54:20,013 INFO L272 TraceCheckUtils]: 29: Hoare triple {132#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {132#true} is VALID [2022-04-08 09:54:20,016 INFO L290 TraceCheckUtils]: 30: Hoare triple {132#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {132#true} is VALID [2022-04-08 09:54:20,016 INFO L290 TraceCheckUtils]: 31: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {132#true} is VALID [2022-04-08 09:54:20,017 INFO L290 TraceCheckUtils]: 32: Hoare triple {132#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {132#true} is VALID [2022-04-08 09:54:20,018 INFO L290 TraceCheckUtils]: 33: Hoare triple {132#true} assume true; {132#true} is VALID [2022-04-08 09:54:20,018 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {132#true} {132#true} #387#return; {132#true} is VALID [2022-04-08 09:54:20,020 INFO L290 TraceCheckUtils]: 35: Hoare triple {132#true} ~Id_MCDC_121~0 := #t~ret21;havoc #t~mem20;havoc #t~ret21; {132#true} is VALID [2022-04-08 09:54:20,021 INFO L272 TraceCheckUtils]: 36: Hoare triple {132#true} call avoid_zero((if 0 != ~Id_MCDC_121~0 % 4294967296 then 1 else 0)); {132#true} is VALID [2022-04-08 09:54:20,026 INFO L290 TraceCheckUtils]: 37: Hoare triple {132#true} ~y := #in~y; {132#true} is VALID [2022-04-08 09:54:20,027 INFO L290 TraceCheckUtils]: 38: Hoare triple {132#true} assume 0 == ~y;assume false; {133#false} is VALID [2022-04-08 09:54:20,027 INFO L290 TraceCheckUtils]: 39: Hoare triple {133#false} assume true; {133#false} is VALID [2022-04-08 09:54:20,028 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {133#false} {132#true} #389#return; {133#false} is VALID [2022-04-08 09:54:20,028 INFO L290 TraceCheckUtils]: 41: Hoare triple {133#false} call #t~mem22 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := #t~mem22 * ~Id_MCDC_122~0 % 4294967296 >= 0; {133#false} is VALID [2022-04-08 09:54:20,028 INFO L290 TraceCheckUtils]: 42: Hoare triple {133#false} assume #t~short24;call #t~mem23 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := #t~mem23 * ~Id_MCDC_122~0 % 4294967296 <= 4294967295; {133#false} is VALID [2022-04-08 09:54:20,029 INFO L272 TraceCheckUtils]: 43: Hoare triple {133#false} call __VERIFIER_assert((if #t~short24 then 1 else 0)); {133#false} is VALID [2022-04-08 09:54:20,029 INFO L290 TraceCheckUtils]: 44: Hoare triple {133#false} ~Id_MCDC_103 := #in~Id_MCDC_103; {133#false} is VALID [2022-04-08 09:54:20,029 INFO L290 TraceCheckUtils]: 45: Hoare triple {133#false} assume 0 == ~Id_MCDC_103; {133#false} is VALID [2022-04-08 09:54:20,029 INFO L290 TraceCheckUtils]: 46: Hoare triple {133#false} assume !false; {133#false} is VALID [2022-04-08 09:54:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-08 09:54:20,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:54:20,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940307609] [2022-04-08 09:54:20,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940307609] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:54:20,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:54:20,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 09:54:20,035 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:54:20,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1377623907] [2022-04-08 09:54:20,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1377623907] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:54:20,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:54:20,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 09:54:20,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078525948] [2022-04-08 09:54:20,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:54:20,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-04-08 09:54:20,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:54:20,046 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:20,122 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:20,123 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 09:54:20,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:54:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 09:54:20,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 09:54:20,160 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:21,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:21,364 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-04-08 09:54:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 09:54:21,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-04-08 09:54:21,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:54:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 367 transitions. [2022-04-08 09:54:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 367 transitions. [2022-04-08 09:54:21,392 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 367 transitions. [2022-04-08 09:54:21,931 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 367 edges. 367 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:21,943 INFO L225 Difference]: With dead ends: 245 [2022-04-08 09:54:21,943 INFO L226 Difference]: Without dead ends: 120 [2022-04-08 09:54:21,946 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 09:54:21,949 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 09:54:21,949 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 09:54:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-04-08 09:54:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-04-08 09:54:22,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:54:22,001 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 09:54:22,002 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 09:54:22,003 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 09:54:22,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:22,011 INFO L93 Difference]: Finished difference Result 120 states and 167 transitions. [2022-04-08 09:54:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 09:54:22,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:54:22,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:54:22,013 INFO L74 IsIncluded]: Start isIncluded. First operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 120 states. [2022-04-08 09:54:22,014 INFO L87 Difference]: Start difference. First operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 120 states. [2022-04-08 09:54:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:22,021 INFO L93 Difference]: Finished difference Result 120 states and 167 transitions. [2022-04-08 09:54:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 09:54:22,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:54:22,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:54:22,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:54:22,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:54:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 09:54:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-04-08 09:54:22,030 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-04-08 09:54:22,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:54:22,031 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-04-08 09:54:22,031 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:22,031 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 120 states and 167 transitions. [2022-04-08 09:54:22,339 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-08 09:54:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 09:54:22,341 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:54:22,342 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:54:22,342 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 09:54:22,342 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:54:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:54:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2022-04-08 09:54:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:54:22,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [925110859] [2022-04-08 09:54:22,343 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 09:54:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 2 times [2022-04-08 09:54:22,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:54:22,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240683454] [2022-04-08 09:54:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:54:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:54:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:54:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:22,476 INFO L290 TraceCheckUtils]: 0: Hoare triple {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 28 + ~#Id_MCDC_113~0.offset, 8);~Id_MCDC_114~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,476 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,477 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1129#true} {1129#true} #393#return; {1129#true} is VALID [2022-04-08 09:54:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 09:54:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:22,513 INFO L290 TraceCheckUtils]: 0: Hoare triple {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,513 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1129#true} is VALID [2022-04-08 09:54:22,513 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1129#true} is VALID [2022-04-08 09:54:22,513 INFO L290 TraceCheckUtils]: 3: Hoare triple {1129#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1129#true} is VALID [2022-04-08 09:54:22,514 INFO L290 TraceCheckUtils]: 4: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,514 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1129#true} {1129#true} #371#return; {1129#true} is VALID [2022-04-08 09:54:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-04-08 09:54:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:22,525 INFO L290 TraceCheckUtils]: 0: Hoare triple {1129#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,525 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {1129#true} is VALID [2022-04-08 09:54:22,525 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {1129#true} is VALID [2022-04-08 09:54:22,525 INFO L290 TraceCheckUtils]: 3: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,526 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1129#true} {1129#true} #387#return; {1129#true} is VALID [2022-04-08 09:54:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-08 09:54:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:54:22,533 INFO L290 TraceCheckUtils]: 0: Hoare triple {1129#true} ~y := #in~y; {1129#true} is VALID [2022-04-08 09:54:22,533 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume !(0 == ~y); {1129#true} is VALID [2022-04-08 09:54:22,533 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,533 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1129#true} {1129#true} #389#return; {1129#true} is VALID [2022-04-08 09:54:22,535 INFO L272 TraceCheckUtils]: 0: Hoare triple {1129#true} call ULTIMATE.init(); {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:54:22,535 INFO L290 TraceCheckUtils]: 1: Hoare triple {1152#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 28 + ~#Id_MCDC_113~0.offset, 8);~Id_MCDC_114~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,536 INFO L290 TraceCheckUtils]: 2: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,536 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1129#true} {1129#true} #393#return; {1129#true} is VALID [2022-04-08 09:54:22,536 INFO L272 TraceCheckUtils]: 4: Hoare triple {1129#true} call #t~ret65 := main(); {1129#true} is VALID [2022-04-08 09:54:22,537 INFO L290 TraceCheckUtils]: 5: Hoare triple {1129#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret64.base, #t~ret64.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret64.base, #t~ret64.offset;havoc #t~ret64.base, #t~ret64.offset; {1129#true} is VALID [2022-04-08 09:54:22,540 INFO L290 TraceCheckUtils]: 6: Hoare triple {1129#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {1129#true} is VALID [2022-04-08 09:54:22,540 INFO L272 TraceCheckUtils]: 7: Hoare triple {1129#true} call Id_MCDC_100(); {1129#true} is VALID [2022-04-08 09:54:22,541 INFO L290 TraceCheckUtils]: 8: Hoare triple {1129#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {1129#true} is VALID [2022-04-08 09:54:22,541 INFO L272 TraceCheckUtils]: 9: Hoare triple {1129#true} call Id_MCDC_99(); {1129#true} is VALID [2022-04-08 09:54:22,541 INFO L290 TraceCheckUtils]: 10: Hoare triple {1129#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc53.base, #t~malloc53.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc53.base, #t~malloc53.offset, ~#Id_MCDC_113~0.base, 20 + ~#Id_MCDC_113~0.offset, 8);havoc #t~malloc53.base, #t~malloc53.offset; {1129#true} is VALID [2022-04-08 09:54:22,542 INFO L272 TraceCheckUtils]: 11: Hoare triple {1129#true} call #t~ret54 := Id_MCDC_97(); {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-08 09:54:22,542 INFO L290 TraceCheckUtils]: 12: Hoare triple {1153#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,543 INFO L290 TraceCheckUtils]: 13: Hoare triple {1129#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1129#true} is VALID [2022-04-08 09:54:22,543 INFO L290 TraceCheckUtils]: 14: Hoare triple {1129#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1129#true} is VALID [2022-04-08 09:54:22,543 INFO L290 TraceCheckUtils]: 15: Hoare triple {1129#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1129#true} is VALID [2022-04-08 09:54:22,543 INFO L290 TraceCheckUtils]: 16: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,543 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1129#true} {1129#true} #371#return; {1129#true} is VALID [2022-04-08 09:54:22,545 INFO L290 TraceCheckUtils]: 18: Hoare triple {1129#true} havoc #t~ret54;~Id_MCDC_140~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,546 INFO L290 TraceCheckUtils]: 19: Hoare triple {1129#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {1129#true} is VALID [2022-04-08 09:54:22,546 INFO L272 TraceCheckUtils]: 20: Hoare triple {1129#true} call #t~ret63 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {1129#true} is VALID [2022-04-08 09:54:22,546 INFO L290 TraceCheckUtils]: 21: Hoare triple {1129#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,546 INFO L290 TraceCheckUtils]: 22: Hoare triple {1129#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {1129#true} is VALID [2022-04-08 09:54:22,546 INFO L290 TraceCheckUtils]: 23: Hoare triple {1129#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L290 TraceCheckUtils]: 24: Hoare triple {1129#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L272 TraceCheckUtils]: 25: Hoare triple {1129#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L290 TraceCheckUtils]: 26: Hoare triple {1129#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L290 TraceCheckUtils]: 27: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296); {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L290 TraceCheckUtils]: 28: Hoare triple {1129#true} assume !(~Id_MCDC_90 % 4294967296 < ~Id_MCDC_91 % 4294967296);#res := ~Id_MCDC_90; {1129#true} is VALID [2022-04-08 09:54:22,547 INFO L290 TraceCheckUtils]: 29: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,548 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1129#true} {1129#true} #387#return; {1129#true} is VALID [2022-04-08 09:54:22,548 INFO L290 TraceCheckUtils]: 31: Hoare triple {1129#true} ~Id_MCDC_121~0 := #t~ret21;havoc #t~mem20;havoc #t~ret21; {1129#true} is VALID [2022-04-08 09:54:22,549 INFO L272 TraceCheckUtils]: 32: Hoare triple {1129#true} call avoid_zero((if 0 != ~Id_MCDC_121~0 % 4294967296 then 1 else 0)); {1129#true} is VALID [2022-04-08 09:54:22,549 INFO L290 TraceCheckUtils]: 33: Hoare triple {1129#true} ~y := #in~y; {1129#true} is VALID [2022-04-08 09:54:22,550 INFO L290 TraceCheckUtils]: 34: Hoare triple {1129#true} assume !(0 == ~y); {1129#true} is VALID [2022-04-08 09:54:22,550 INFO L290 TraceCheckUtils]: 35: Hoare triple {1129#true} assume true; {1129#true} is VALID [2022-04-08 09:54:22,558 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {1129#true} {1129#true} #389#return; {1129#true} is VALID [2022-04-08 09:54:22,558 INFO L290 TraceCheckUtils]: 37: Hoare triple {1129#true} call #t~mem22 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := #t~mem22 * ~Id_MCDC_122~0 % 4294967296 >= 0; {1129#true} is VALID [2022-04-08 09:54:22,559 INFO L290 TraceCheckUtils]: 38: Hoare triple {1129#true} assume #t~short24;call #t~mem23 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1);#t~short24 := #t~mem23 * ~Id_MCDC_122~0 % 4294967296 <= 4294967295; {1149#|Id_MCDC_95_#t~short24|} is VALID [2022-04-08 09:54:22,560 INFO L272 TraceCheckUtils]: 39: Hoare triple {1149#|Id_MCDC_95_#t~short24|} call __VERIFIER_assert((if #t~short24 then 1 else 0)); {1150#(not (= |__VERIFIER_assert_#in~Id_MCDC_103| 0))} is VALID [2022-04-08 09:54:22,560 INFO L290 TraceCheckUtils]: 40: Hoare triple {1150#(not (= |__VERIFIER_assert_#in~Id_MCDC_103| 0))} ~Id_MCDC_103 := #in~Id_MCDC_103; {1151#(not (= __VERIFIER_assert_~Id_MCDC_103 0))} is VALID [2022-04-08 09:54:22,561 INFO L290 TraceCheckUtils]: 41: Hoare triple {1151#(not (= __VERIFIER_assert_~Id_MCDC_103 0))} assume 0 == ~Id_MCDC_103; {1130#false} is VALID [2022-04-08 09:54:22,561 INFO L290 TraceCheckUtils]: 42: Hoare triple {1130#false} assume !false; {1130#false} is VALID [2022-04-08 09:54:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:54:22,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:54:22,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240683454] [2022-04-08 09:54:22,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240683454] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:54:22,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:54:22,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 09:54:22,563 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:54:22,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [925110859] [2022-04-08 09:54:22,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [925110859] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:54:22,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:54:22,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 09:54:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697781587] [2022-04-08 09:54:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:54:22,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-04-08 09:54:22,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:54:22,565 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:22,598 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:22,598 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 09:54:22,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:54:22,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 09:54:22,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-08 09:54:22,599 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:24,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:24,962 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-04-08 09:54:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 09:54:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-04-08 09:54:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:54:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions. [2022-04-08 09:54:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 201 transitions. [2022-04-08 09:54:24,971 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 201 transitions. [2022-04-08 09:54:25,259 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:25,259 INFO L225 Difference]: With dead ends: 148 [2022-04-08 09:54:25,259 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 09:54:25,261 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-04-08 09:54:25,266 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:54:25,266 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-08 09:54:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 09:54:25,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 09:54:25,268 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:54:25,269 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) [2022-04-08 09:54:25,269 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) [2022-04-08 09:54:25,269 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) [2022-04-08 09:54:25,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:25,269 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 09:54:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 09:54:25,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:54:25,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:54:25,270 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. [2022-04-08 09:54:25,270 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. [2022-04-08 09:54:25,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:54:25,270 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 09:54:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 09:54:25,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:54:25,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:54:25,270 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:54:25,270 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:54:25,270 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) [2022-04-08 09:54:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 09:54:25,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-04-08 09:54:25,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:54:25,272 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 09:54:25,273 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-08 09:54:25,273 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-08 09:54:25,273 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:54:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 09:54:25,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:54:25,276 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 09:54:25,276 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-08 09:54:25,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 09:54:25,748 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-08 09:54:25,748 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-08 09:54:25,748 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-08 09:54:25,749 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-08 09:54:25,750 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-08 09:54:25,751 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-08 09:54:25,752 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,752 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-08 09:54:25,753 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-08 09:54:25,754 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,754 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,754 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,754 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,755 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,755 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 09:54:25,756 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-08 09:54:25,756 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-08 09:54:25,756 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-08 09:54:25,756 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-08 09:54:25,756 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-08 09:54:25,756 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-08 09:54:25,756 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-08 09:54:25,756 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 09:54:25,756 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-08 09:54:25,757 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-08 09:54:25,758 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L878 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-08 09:54:25,759 INFO L878 garLoopResultBuilder]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-08 09:54:25,759 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-08 09:54:25,760 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-08 09:54:25,761 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-08 09:54:25,762 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-08 09:54:25,763 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-08 09:54:25,763 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-08 09:54:25,763 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-08 09:54:25,763 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 09:54:25,763 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 09:54:25,763 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-08 09:54:25,763 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-08 09:54:25,766 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 09:54:25,767 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 09:54:25,770 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 09:54:25,771 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 09:54:25,773 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 09:54:25,774 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 09:54:25,774 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 09:54:25,776 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-08 09:54:25,781 INFO L163 areAnnotationChecker]: CFG has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 09:54:25,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 09:54:25 BoogieIcfgContainer [2022-04-08 09:54:25,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 09:54:25,791 INFO L158 Benchmark]: Toolchain (without parser) took 7595.88ms. Allocated memory was 196.1MB in the beginning and 286.3MB in the end (delta: 90.2MB). Free memory was 143.7MB in the beginning and 155.1MB in the end (delta: -11.4MB). Peak memory consumption was 138.3MB. Max. memory is 8.0GB. [2022-04-08 09:54:25,791 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 160.9MB in the beginning and 160.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 09:54:25,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.82ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 143.5MB in the beginning and 202.6MB in the end (delta: -59.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-04-08 09:54:25,792 INFO L158 Benchmark]: Boogie Preprocessor took 109.65ms. Allocated memory is still 235.9MB. Free memory was 202.6MB in the beginning and 197.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-08 09:54:25,792 INFO L158 Benchmark]: RCFGBuilder took 689.52ms. Allocated memory is still 235.9MB. Free memory was 197.9MB in the beginning and 160.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-04-08 09:54:25,793 INFO L158 Benchmark]: TraceAbstraction took 6433.84ms. Allocated memory was 235.9MB in the beginning and 286.3MB in the end (delta: 50.3MB). Free memory was 160.2MB in the beginning and 155.1MB in the end (delta: 5.0MB). Peak memory consumption was 115.7MB. Max. memory is 8.0GB. [2022-04-08 09:54:25,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 160.9MB in the beginning and 160.7MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 352.82ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 143.5MB in the beginning and 202.6MB in the end (delta: -59.2MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.65ms. Allocated memory is still 235.9MB. Free memory was 202.6MB in the beginning and 197.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 689.52ms. Allocated memory is still 235.9MB. Free memory was 197.9MB in the beginning and 160.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6433.84ms. Allocated memory was 235.9MB in the beginning and 286.3MB in the end (delta: 50.3MB). Free memory was 160.2MB in the beginning and 155.1MB in the end (delta: 5.0MB). Peak memory consumption was 115.7MB. 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: 463]: 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 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 353 HoareAnnotationTreeSize, 455 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 129 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: !(Id_MCDC_103 == 0) || \old(Id_MCDC_103) == 0 RESULT: Ultimate proved your program to be correct! [2022-04-08 09:54:25,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...