/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_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 09:55:33,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 09:55:33,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 09:55:33,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-28 09:55:33,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-28 09:55:33,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-28 09:55:33,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-28 09:55:33,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-28 09:55:33,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-28 09:55:33,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-28 09:55:33,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-28 09:55:33,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-28 09:55:33,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 09:55:33,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 09:55:33,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 09:55:33,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 09:55:33,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 09:55:33,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 09:55:33,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 09:55:33,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 09:55:33,500 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 09:55:33,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 09:55:33,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 09:55:33,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 09:55:33,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 09:55:33,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 09:55:33,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 09:55:33,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 09:55:33,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 09:55:33,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-28 09:55:33,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 09:55:33,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 09:55:33,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 09:55:33,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 09:55:33,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 09:55:33,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 09:55:33,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 09:55:33,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 09:55:33,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 09:55:33,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 09:55:33,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 09:55:33,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 09:55:33,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 09:55:33,520 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-28 09:55:33,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 09:55:33,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 09:55:33,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 09:55:33,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 09:55:33,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 09:55:33,741 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 09:55:33,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-28 09:55:33,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb2ba6d2/2aa11a54e8804f84a5989e7e89c3c97b/FLAG2f7cd947f [2022-04-28 09:55:34,139 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 09:55:34,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-28 09:55:34,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb2ba6d2/2aa11a54e8804f84a5989e7e89c3c97b/FLAG2f7cd947f [2022-04-28 09:55:34,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb2ba6d2/2aa11a54e8804f84a5989e7e89c3c97b [2022-04-28 09:55:34,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 09:55:34,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 09:55:34,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 09:55:34,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 09:55:34,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 09:55:34,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7debe158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34, skipping insertion in model container [2022-04-28 09:55:34,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 09:55:34,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 09:55:34,754 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_1.c[11890,11903] [2022-04-28 09:55:34,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 09:55:34,761 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 09:55:34,815 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_1.c[11890,11903] [2022-04-28 09:55:34,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 09:55:34,835 INFO L208 MainTranslator]: Completed translation [2022-04-28 09:55:34,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34 WrapperNode [2022-04-28 09:55:34,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 09:55:34,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 09:55:34,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 09:55:34,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 09:55:34,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 09:55:34,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 09:55:34,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 09:55:34,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 09:55:34,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (1/1) ... [2022-04-28 09:55:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 09:55:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 09:55:34,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-28 09:55:34,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-28 09:55:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 09:55:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 09:55:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-04-28 09:55:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-04-28 09:55:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-04-28 09:55:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-04-28 09:55:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-04-28 09:55:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 09:55:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 09:55:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-28 09:55:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-04-28 09:55:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-28 09:55:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 09:55:35,132 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 09:55:35,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 09:55:35,613 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 09:55:35,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 09:55:35,624 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-28 09:55:35,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:55:35 BoogieIcfgContainer [2022-04-28 09:55:35,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 09:55:35,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 09:55:35,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 09:55:35,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 09:55:35,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:55:34" (1/3) ... [2022-04-28 09:55:35,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25959ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:55:35, skipping insertion in model container [2022-04-28 09:55:35,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:55:34" (2/3) ... [2022-04-28 09:55:35,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25959ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:55:35, skipping insertion in model container [2022-04-28 09:55:35,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:55:35" (3/3) ... [2022-04-28 09:55:35,631 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-04-28 09:55:35,641 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 09:55:35,641 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 09:55:35,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 09:55:35,678 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@614f6154, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25c238de [2022-04-28 09:55:35,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 09:55:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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) [2022-04-28 09:55:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-28 09:55:35,700 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 09:55:35,700 INFO L195 NwaCegarLoop]: 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] [2022-04-28 09:55:35,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 09:55:35,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 09:55:35,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-04-28 09:55:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 09:55:35,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1120197535] [2022-04-28 09:55:35,731 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 09:55:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 2 times [2022-04-28 09:55:35,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 09:55:35,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239788668] [2022-04-28 09:55:35,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 09:55:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 09:55:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 09:55:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:36,006 INFO L290 TraceCheckUtils]: 0: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |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_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 28 + ~#Id_MCDC_131~0.offset, 8);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-28 09:55:36,006 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-28 09:55:36,007 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-28 09:55:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-28 09:55:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:36,043 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#(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_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-28 09:55:36,044 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-28 09:55:36,044 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-28 09:55:36,044 INFO L290 TraceCheckUtils]: 3: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-28 09:55:36,044 INFO L290 TraceCheckUtils]: 4: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-28 09:55:36,044 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-28 09:55:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-28 09:55:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:36,053 INFO L290 TraceCheckUtils]: 0: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-28 09:55:36,054 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-28 09:55:36,054 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-28 09:55:36,054 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-28 09:55:36,056 INFO L272 TraceCheckUtils]: 0: Hoare triple {130#true} call ULTIMATE.init(); {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 09:55:36,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {145#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |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_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 28 + ~#Id_MCDC_131~0.offset, 8);~Id_MCDC_132~0 := 0; {130#true} is VALID [2022-04-28 09:55:36,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {130#true} assume true; {130#true} is VALID [2022-04-28 09:55:36,057 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {130#true} {130#true} #386#return; {130#true} is VALID [2022-04-28 09:55:36,057 INFO L272 TraceCheckUtils]: 4: Hoare triple {130#true} call #t~ret62 := main(); {130#true} is VALID [2022-04-28 09:55:36,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {130#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {130#true} is VALID [2022-04-28 09:55:36,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {130#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {130#true} is VALID [2022-04-28 09:55:36,058 INFO L272 TraceCheckUtils]: 7: Hoare triple {130#true} call Id_MCDC_118(); {130#true} is VALID [2022-04-28 09:55:36,058 INFO L290 TraceCheckUtils]: 8: Hoare triple {130#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {130#true} is VALID [2022-04-28 09:55:36,059 INFO L272 TraceCheckUtils]: 9: Hoare triple {130#true} call Id_MCDC_117(); {130#true} is VALID [2022-04-28 09:55:36,059 INFO L290 TraceCheckUtils]: 10: Hoare triple {130#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);havoc #t~malloc50.base, #t~malloc50.offset; {130#true} is VALID [2022-04-28 09:55:36,060 INFO L272 TraceCheckUtils]: 11: Hoare triple {130#true} call #t~ret51 := Id_MCDC_115(); {146#(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 [2022-04-28 09:55:36,060 INFO L290 TraceCheckUtils]: 12: Hoare triple {146#(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_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {130#true} is VALID [2022-04-28 09:55:36,061 INFO L290 TraceCheckUtils]: 13: Hoare triple {130#true} assume !true; {131#false} is VALID [2022-04-28 09:55:36,061 INFO L290 TraceCheckUtils]: 14: Hoare triple {131#false} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {131#false} is VALID [2022-04-28 09:55:36,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {131#false} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {131#false} is VALID [2022-04-28 09:55:36,062 INFO L290 TraceCheckUtils]: 16: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-28 09:55:36,062 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {131#false} {130#true} #380#return; {131#false} is VALID [2022-04-28 09:55:36,062 INFO L290 TraceCheckUtils]: 18: Hoare triple {131#false} havoc #t~ret51;~Id_MCDC_158~0 := 0; {131#false} is VALID [2022-04-28 09:55:36,062 INFO L290 TraceCheckUtils]: 19: Hoare triple {131#false} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {131#false} is VALID [2022-04-28 09:55:36,062 INFO L272 TraceCheckUtils]: 20: Hoare triple {131#false} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {131#false} is VALID [2022-04-28 09:55:36,062 INFO L290 TraceCheckUtils]: 21: Hoare triple {131#false} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {131#false} is VALID [2022-04-28 09:55:36,063 INFO L290 TraceCheckUtils]: 22: Hoare triple {131#false} assume !(~Id_MCDC_111 % 4294967296 < 2); {131#false} is VALID [2022-04-28 09:55:36,063 INFO L290 TraceCheckUtils]: 23: Hoare triple {131#false} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {131#false} is VALID [2022-04-28 09:55:36,063 INFO L290 TraceCheckUtils]: 24: Hoare triple {131#false} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {131#false} is VALID [2022-04-28 09:55:36,063 INFO L272 TraceCheckUtils]: 25: Hoare triple {131#false} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {131#false} is VALID [2022-04-28 09:55:36,064 INFO L290 TraceCheckUtils]: 26: Hoare triple {131#false} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {131#false} is VALID [2022-04-28 09:55:36,064 INFO L290 TraceCheckUtils]: 27: Hoare triple {131#false} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {131#false} is VALID [2022-04-28 09:55:36,064 INFO L290 TraceCheckUtils]: 28: Hoare triple {131#false} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {131#false} is VALID [2022-04-28 09:55:36,064 INFO L272 TraceCheckUtils]: 29: Hoare triple {131#false} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {130#true} is VALID [2022-04-28 09:55:36,064 INFO L290 TraceCheckUtils]: 30: Hoare triple {130#true} ~y := #in~y; {130#true} is VALID [2022-04-28 09:55:36,065 INFO L290 TraceCheckUtils]: 31: Hoare triple {130#true} assume 0 == ~y;assume false; {131#false} is VALID [2022-04-28 09:55:36,065 INFO L290 TraceCheckUtils]: 32: Hoare triple {131#false} assume true; {131#false} is VALID [2022-04-28 09:55:36,065 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {131#false} {131#false} #374#return; {131#false} is VALID [2022-04-28 09:55:36,066 INFO L272 TraceCheckUtils]: 34: Hoare triple {131#false} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {131#false} is VALID [2022-04-28 09:55:36,066 INFO L290 TraceCheckUtils]: 35: Hoare triple {131#false} ~Id_MCDC_121 := #in~Id_MCDC_121; {131#false} is VALID [2022-04-28 09:55:36,068 INFO L290 TraceCheckUtils]: 36: Hoare triple {131#false} assume 0 == ~Id_MCDC_121; {131#false} is VALID [2022-04-28 09:55:36,068 INFO L290 TraceCheckUtils]: 37: Hoare triple {131#false} assume !false; {131#false} is VALID [2022-04-28 09:55:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 09:55:36,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 09:55:36,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239788668] [2022-04-28 09:55:36,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239788668] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:55:36,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:55:36,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 09:55:36,075 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 09:55:36,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1120197535] [2022-04-28 09:55:36,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1120197535] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:55:36,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:55:36,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 09:55:36,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941128772] [2022-04-28 09:55:36,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 09:55:36,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-28 09:55:36,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 09:55:36,085 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 09:55:36,121 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:36,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 09:55:36,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 09:55:36,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 09:55:36,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 09:55:36,153 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 09:55:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:37,155 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-04-28 09:55:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 09:55:37,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-04-28 09:55:37,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 09:55:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 09:55:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-28 09:55:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 09:55:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 361 transitions. [2022-04-28 09:55:37,182 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 361 transitions. [2022-04-28 09:55:37,644 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 361 edges. 361 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:37,653 INFO L225 Difference]: With dead ends: 241 [2022-04-28 09:55:37,653 INFO L226 Difference]: Without dead ends: 118 [2022-04-28 09:55:37,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 09:55:37,657 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 09:55:37,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 09:55:37,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-04-28 09:55:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-04-28 09:55:37,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 09:55:37,692 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-28 09:55:37,693 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-28 09:55:37,694 INFO L87 Difference]: Start difference. First operand 118 states. Second operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-28 09:55:37,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:37,700 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-28 09:55:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-28 09:55:37,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:55:37,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:55:37,702 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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 118 states. [2022-04-28 09:55:37,702 INFO L87 Difference]: Start difference. First operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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 118 states. [2022-04-28 09:55:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:37,707 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-28 09:55:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-28 09:55:37,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:55:37,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:55:37,708 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 09:55:37,708 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 09:55:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-28 09:55:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-04-28 09:55:37,720 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-04-28 09:55:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 09:55:37,720 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-04-28 09:55:37,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-28 09:55:37,720 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 164 transitions. [2022-04-28 09:55:37,963 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-28 09:55:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-28 09:55:37,964 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 09:55:37,964 INFO L195 NwaCegarLoop]: 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] [2022-04-28 09:55:37,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 09:55:37,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 09:55:37,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 09:55:37,965 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-04-28 09:55:37,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 09:55:37,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1787022060] [2022-04-28 09:55:37,966 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 09:55:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 2 times [2022-04-28 09:55:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 09:55:37,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611488262] [2022-04-28 09:55:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 09:55:37,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 09:55:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 09:55:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:38,099 INFO L290 TraceCheckUtils]: 0: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |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_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 28 + ~#Id_MCDC_131~0.offset, 8);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,099 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,099 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-28 09:55:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-28 09:55:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:38,131 INFO L290 TraceCheckUtils]: 0: Hoare triple {1124#(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_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,132 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-28 09:55:38,132 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-28 09:55:38,132 INFO L290 TraceCheckUtils]: 3: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-28 09:55:38,132 INFO L290 TraceCheckUtils]: 4: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,132 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-28 09:55:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-28 09:55:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 09:55:38,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-28 09:55:38,138 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-28 09:55:38,138 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,138 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-28 09:55:38,146 INFO L272 TraceCheckUtils]: 0: Hoare triple {1106#true} call ULTIMATE.init(); {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 09:55:38,146 INFO L290 TraceCheckUtils]: 1: Hoare triple {1123#(and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |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_122~0 := 0;~Id_MCDC_123~0 := 0;~Id_MCDC_124~0 := 0;~Id_MCDC_125~0.base, ~Id_MCDC_125~0.offset := 0, 0;~Id_MCDC_126~0.base, ~Id_MCDC_126~0.offset := 0, 0;~Id_MCDC_127~0.base, ~Id_MCDC_127~0.offset := 0, 0;~Id_MCDC_128~0.base, ~Id_MCDC_128~0.offset := 0, 0;~Id_MCDC_129~0.base, ~Id_MCDC_129~0.offset := 0, 0;~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 4 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 8 + ~#Id_MCDC_130~0.offset, 4);call write~init~int(0, ~#Id_MCDC_130~0.base, 12 + ~#Id_MCDC_130~0.offset, 4);~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := 12, 0;call #Ultimate.allocInit(36, 12);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 1);call write~init~int(0, ~#Id_MCDC_131~0.base, 1 + ~#Id_MCDC_131~0.offset, 2);call write~init~int(0, ~#Id_MCDC_131~0.base, 3 + ~#Id_MCDC_131~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 4 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 12 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);call write~init~$Pointer$(0, 0, ~#Id_MCDC_131~0.base, 28 + ~#Id_MCDC_131~0.offset, 8);~Id_MCDC_132~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,146 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1106#true} {1106#true} #386#return; {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L272 TraceCheckUtils]: 4: Hoare triple {1106#true} call #t~ret62 := main(); {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L290 TraceCheckUtils]: 5: Hoare triple {1106#true} havoc ~Id_MCDC_161~0.base, ~Id_MCDC_161~0.offset;havoc ~Id_MCDC_162~0.base, ~Id_MCDC_162~0.offset;havoc ~Id_MCDC_163~0.base, ~Id_MCDC_163~0.offset;havoc ~Id_MCDC_164~0.base, ~Id_MCDC_164~0.offset;havoc ~Id_MCDC_165~0.base, ~Id_MCDC_165~0.offset;havoc ~Id_MCDC_166~0.base, ~Id_MCDC_166~0.offset;havoc ~Id_MCDC_167~0;havoc ~Id_MCDC_168~0;havoc ~Id_MCDC_169~0;havoc ~Id_MCDC_170~0;havoc ~Id_MCDC_171~0;havoc ~Id_MCDC_172~0;havoc ~Id_MCDC_173~0;havoc ~Id_MCDC_174~0;havoc ~Id_MCDC_175~0;havoc ~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset;havoc ~Id_MCDC_177~0;havoc ~Id_MCDC_178~0;~Id_MCDC_179~0 := 0;~Id_MCDC_180~0 := 0;havoc ~Id_MCDC_181~0;havoc ~Id_MCDC_182~0;havoc ~Id_MCDC_183~0.Id_MCDC_77.base, ~Id_MCDC_183~0.Id_MCDC_77.offset, ~Id_MCDC_183~0.Id_MCDC_78.base, ~Id_MCDC_183~0.Id_MCDC_78.offset, ~Id_MCDC_183~0.Id_MCDC_79.base, ~Id_MCDC_183~0.Id_MCDC_79.offset, ~Id_MCDC_183~0.Id_MCDC_80.base, ~Id_MCDC_183~0.Id_MCDC_80.offset, ~Id_MCDC_183~0.Id_MCDC_81.base, ~Id_MCDC_183~0.Id_MCDC_81.offset, ~Id_MCDC_183~0.Id_MCDC_82.base, ~Id_MCDC_183~0.Id_MCDC_82.offset, ~Id_MCDC_183~0.Id_MCDC_83.base, ~Id_MCDC_183~0.Id_MCDC_83.offset, ~Id_MCDC_183~0.Id_MCDC_84.base, ~Id_MCDC_183~0.Id_MCDC_84.offset, ~Id_MCDC_183~0.Id_MCDC_85.base, ~Id_MCDC_183~0.Id_MCDC_85.offset;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_176~0.base, ~Id_MCDC_176~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L290 TraceCheckUtils]: 6: Hoare triple {1106#true} assume !(~Id_MCDC_176~0.base == 0 && ~Id_MCDC_176~0.offset == 0); {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L272 TraceCheckUtils]: 7: Hoare triple {1106#true} call Id_MCDC_118(); {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L290 TraceCheckUtils]: 8: Hoare triple {1106#true} havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0.base, ~Id_MCDC_160~0.offset; {1106#true} is VALID [2022-04-28 09:55:38,147 INFO L272 TraceCheckUtils]: 9: Hoare triple {1106#true} call Id_MCDC_117(); {1106#true} is VALID [2022-04-28 09:55:38,148 INFO L290 TraceCheckUtils]: 10: Hoare triple {1106#true} call ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 1 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 2 + ~#Id_MCDC_157~0.offset, 1);call write~init~int(0, ~#Id_MCDC_157~0.base, 3 + ~#Id_MCDC_157~0.offset, 1);~Id_MCDC_158~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_131~0.base, 20 + ~#Id_MCDC_131~0.offset, 8);havoc #t~malloc50.base, #t~malloc50.offset; {1106#true} is VALID [2022-04-28 09:55:38,148 INFO L272 TraceCheckUtils]: 11: Hoare triple {1106#true} call #t~ret51 := Id_MCDC_115(); {1124#(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 [2022-04-28 09:55:38,148 INFO L290 TraceCheckUtils]: 12: Hoare triple {1124#(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_141~0;havoc ~Id_MCDC_142~0;havoc ~Id_MCDC_143~0;havoc ~Id_MCDC_144~0;havoc ~Id_MCDC_145~0;call ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset, 4);havoc ~Id_MCDC_147~0;call ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset, 4);call ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_150~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_151~0 := 0;~Id_MCDC_152~0 := 0;call ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset := #Ultimate.allocOnStack(8);havoc ~Id_MCDC_155~0.base, ~Id_MCDC_155~0.offset;havoc ~Id_MCDC_156~0;~Id_MCDC_141~0 := 6144;~Id_MCDC_150~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 13: Hoare triple {1106#true} assume !(~Id_MCDC_150~0 % 256 < 4); {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 14: Hoare triple {1106#true} assume !(~Id_MCDC_141~0 % 4294967296 <= 6147); {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 15: Hoare triple {1106#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset);havoc ~#Id_MCDC_146~0.base, ~#Id_MCDC_146~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset);havoc ~#Id_MCDC_148~0.base, ~#Id_MCDC_148~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset);havoc ~#Id_MCDC_149~0.base, ~#Id_MCDC_149~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset);havoc ~#Id_MCDC_153~0.base, ~#Id_MCDC_153~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset);havoc ~#Id_MCDC_154~0.base, ~#Id_MCDC_154~0.offset; {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 16: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1106#true} {1106#true} #380#return; {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 18: Hoare triple {1106#true} havoc #t~ret51;~Id_MCDC_158~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L290 TraceCheckUtils]: 19: Hoare triple {1106#true} assume !(~Id_MCDC_158~0 % 4294967296 < 4); {1106#true} is VALID [2022-04-28 09:55:38,149 INFO L272 TraceCheckUtils]: 20: Hoare triple {1106#true} call #t~ret60 := Id_MCDC_113(4, ~#Id_MCDC_157~0.base, ~#Id_MCDC_157~0.offset); {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 21: Hoare triple {1106#true} ~Id_MCDC_111 := #in~Id_MCDC_111;~Id_MCDC_112.base, ~Id_MCDC_112.offset := #in~Id_MCDC_112.base, #in~Id_MCDC_112.offset;~Id_MCDC_139~0 := 0;~Id_MCDC_140~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 22: Hoare triple {1106#true} assume !(~Id_MCDC_111 % 4294967296 < 2); {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 23: Hoare triple {1106#true} assume !(2 != ~Id_MCDC_111 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_112.base, 1 + ~Id_MCDC_112.offset, 1);~Id_MCDC_140~0 := #t~mem19;havoc #t~mem19; {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 24: Hoare triple {1106#true} call #t~mem20 := read~int(~Id_MCDC_112.base, ~Id_MCDC_112.offset, 1); {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L272 TraceCheckUtils]: 25: Hoare triple {1106#true} call #t~ret21 := Id_MCDC_110(#t~mem20, ~Id_MCDC_140~0); {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 26: Hoare triple {1106#true} ~Id_MCDC_108 := #in~Id_MCDC_108;~Id_MCDC_109 := #in~Id_MCDC_109;~Id_MCDC_135~0 := 0;~Id_MCDC_136~0 := 0;~Id_MCDC_137~0 := 1;~Id_MCDC_138~0 := 0; {1106#true} is VALID [2022-04-28 09:55:38,150 INFO L290 TraceCheckUtils]: 27: Hoare triple {1106#true} assume ~Id_MCDC_108 % 4294967296 > ~Id_MCDC_109 % 4294967296;~Id_MCDC_135~0 := ~Id_MCDC_108;~Id_MCDC_136~0 := ~Id_MCDC_109; {1106#true} is VALID [2022-04-28 09:55:38,152 INFO L290 TraceCheckUtils]: 28: Hoare triple {1106#true} assume !!(0 != ~Id_MCDC_137~0 % 4294967296); {1106#true} is VALID [2022-04-28 09:55:38,152 INFO L272 TraceCheckUtils]: 29: Hoare triple {1106#true} call avoid_zero((if 0 != ~Id_MCDC_136~0 % 4294967296 then 1 else 0)); {1106#true} is VALID [2022-04-28 09:55:38,154 INFO L290 TraceCheckUtils]: 30: Hoare triple {1106#true} ~y := #in~y; {1106#true} is VALID [2022-04-28 09:55:38,154 INFO L290 TraceCheckUtils]: 31: Hoare triple {1106#true} assume !(0 == ~y); {1106#true} is VALID [2022-04-28 09:55:38,154 INFO L290 TraceCheckUtils]: 32: Hoare triple {1106#true} assume true; {1106#true} is VALID [2022-04-28 09:55:38,155 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1106#true} {1106#true} #374#return; {1106#true} is VALID [2022-04-28 09:55:38,173 INFO L272 TraceCheckUtils]: 34: Hoare triple {1106#true} call __VERIFIER_assert((if (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 >= 0 && (if ~Id_MCDC_135~0 % 4294967296 < 0 && 0 != ~Id_MCDC_135~0 % 4294967296 % (~Id_MCDC_136~0 % 4294967296) then (if ~Id_MCDC_136~0 % 4294967296 < 0 then ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296) - 1 else 1 + ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) else ~Id_MCDC_135~0 % 4294967296 / (~Id_MCDC_136~0 % 4294967296)) % 4294967296 <= 4294967295 then 1 else 0)); {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} is VALID [2022-04-28 09:55:38,174 INFO L290 TraceCheckUtils]: 35: Hoare triple {1121#(= |__VERIFIER_assert_#in~Id_MCDC_121| 1)} ~Id_MCDC_121 := #in~Id_MCDC_121; {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} is VALID [2022-04-28 09:55:38,174 INFO L290 TraceCheckUtils]: 36: Hoare triple {1122#(= __VERIFIER_assert_~Id_MCDC_121 1)} assume 0 == ~Id_MCDC_121; {1107#false} is VALID [2022-04-28 09:55:38,174 INFO L290 TraceCheckUtils]: 37: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2022-04-28 09:55:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 09:55:38,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 09:55:38,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611488262] [2022-04-28 09:55:38,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611488262] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:55:38,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:55:38,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 09:55:38,175 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 09:55:38,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1787022060] [2022-04-28 09:55:38,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1787022060] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 09:55:38,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 09:55:38,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 09:55:38,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575924777] [2022-04-28 09:55:38,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 09:55:38,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-04-28 09:55:38,177 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 09:55:38,177 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 09:55:38,207 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:38,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 09:55:38,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 09:55:38,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 09:55:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-28 09:55:38,208 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 09:55:39,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:39,931 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-28 09:55:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-28 09:55:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-04-28 09:55:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 09:55:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 09:55:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-28 09:55:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 09:55:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 164 transitions. [2022-04-28 09:55:39,936 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 164 transitions. [2022-04-28 09:55:40,195 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:40,196 INFO L225 Difference]: With dead ends: 118 [2022-04-28 09:55:40,196 INFO L226 Difference]: Without dead ends: 0 [2022-04-28 09:55:40,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-04-28 09:55:40,198 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 09:55:40,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 09:55:40,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-28 09:55:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-28 09:55:40,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 09:55:40,200 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) [2022-04-28 09:55:40,200 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) [2022-04-28 09:55:40,200 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) [2022-04-28 09:55:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:40,200 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-28 09:55:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 09:55:40,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:55:40,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:55:40,200 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. [2022-04-28 09:55:40,201 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. [2022-04-28 09:55:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 09:55:40,201 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-28 09:55:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 09:55:40,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:55:40,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 09:55:40,201 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 09:55:40,201 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 09:55:40,201 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) [2022-04-28 09:55:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-28 09:55:40,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-04-28 09:55:40,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 09:55:40,202 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-28 09:55:40,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-28 09:55:40,202 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-28 09:55:40,202 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 09:55:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-28 09:55:40,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 09:55:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 09:55:40,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 09:55:40,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-28 09:55:40,681 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-28 09:55:40,682 INFO L899 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-28 09:55:40,682 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-04-28 09:55:40,682 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L895 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) 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|)) [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-04-28 09:55:40,683 INFO L902 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-04-28 09:55:40,684 INFO L902 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-04-28 09:55:40,685 INFO L902 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-04-28 09:55:40,686 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L895 garLoopResultBuilder]: At program point L478(lines 478 481) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,687 INFO L895 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L902 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-04-28 09:55:40,687 INFO L895 garLoopResultBuilder]: At program point L483(line 483) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L895 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-28 09:55:40,688 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-04-28 09:55:40,689 INFO L895 garLoopResultBuilder]: At program point L449(line 449) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,689 INFO L895 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-28 09:55:40,689 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-04-28 09:55:40,689 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-04-28 09:55:40,689 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-28 09:55:40,689 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-28 09:55:40,689 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-28 09:55:40,689 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-28 09:55:40,689 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,689 INFO L895 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-04-28 09:55:40,690 INFO L895 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-28 09:55:40,690 INFO L895 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-28 09:55:40,690 INFO L895 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-28 09:55:40,691 INFO L895 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-04-28 09:55:40,691 INFO L895 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-04-28 09:55:40,691 INFO L902 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-04-28 09:55:40,692 INFO L902 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-28 09:55:40,693 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-04-28 09:55:40,701 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-28 09:55:40,703 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 09:55:40,705 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-28 09:55:40,706 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-28 09:55:40,709 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-28 09:55:40,709 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-28 09:55:40,709 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-28 09:55:40,711 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-28 09:55:40,716 INFO L163 areAnnotationChecker]: CFG has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-28 09:55:40,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:55:40 BoogieIcfgContainer [2022-04-28 09:55:40,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 09:55:40,734 INFO L158 Benchmark]: Toolchain (without parser) took 6194.12ms. Allocated memory was 211.8MB in the beginning and 364.9MB in the end (delta: 153.1MB). Free memory was 162.2MB in the beginning and 215.0MB in the end (delta: -52.8MB). Peak memory consumption was 101.5MB. Max. memory is 8.0GB. [2022-04-28 09:55:40,734 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 211.8MB. Free memory was 179.3MB in the beginning and 179.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 09:55:40,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.20ms. Allocated memory is still 211.8MB. Free memory was 161.9MB in the beginning and 179.8MB in the end (delta: -17.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-28 09:55:40,736 INFO L158 Benchmark]: Boogie Preprocessor took 65.12ms. Allocated memory is still 211.8MB. Free memory was 179.8MB in the beginning and 175.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-28 09:55:40,738 INFO L158 Benchmark]: RCFGBuilder took 722.88ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 137.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-04-28 09:55:40,739 INFO L158 Benchmark]: TraceAbstraction took 5105.66ms. Allocated memory was 211.8MB in the beginning and 364.9MB in the end (delta: 153.1MB). Free memory was 136.8MB in the beginning and 215.0MB in the end (delta: -78.2MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2022-04-28 09:55:40,740 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 0.15ms. Allocated memory is still 211.8MB. Free memory was 179.3MB in the beginning and 179.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.20ms. Allocated memory is still 211.8MB. Free memory was 161.9MB in the beginning and 179.8MB in the end (delta: -17.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.12ms. Allocated memory is still 211.8MB. Free memory was 179.8MB in the beginning and 175.1MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 722.88ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 137.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5105.66ms. Allocated memory was 211.8MB in the beginning and 364.9MB in the end (delta: 153.1MB). Free memory was 136.8MB in the beginning and 215.0MB in the end (delta: -78.2MB). Peak memory consumption was 76.5MB. 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: 489]: 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, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 FomulaSimplificationsInter, 12 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-04-28 09:55:40,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...