/usr/bin/java -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_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 20:24:47,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 20:24:47,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 20:24:47,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 20:24:47,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 20:24:47,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 20:24:47,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 20:24:47,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 20:24:47,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 20:24:47,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 20:24:47,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 20:24:47,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 20:24:47,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 20:24:47,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 20:24:47,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 20:24:47,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 20:24:47,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 20:24:47,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 20:24:47,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 20:24:47,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 20:24:47,445 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 20:24:47,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 20:24:47,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 20:24:47,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 20:24:47,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 20:24:47,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 20:24:47,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 20:24:47,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 20:24:47,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 20:24:47,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-06 20:24:47,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 20:24:47,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 20:24:47,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 20:24:47,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 20:24:47,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 20:24:47,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 20:24:47,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 20:24:47,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 20:24:47,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 20:24:47,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 20:24:47,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 20:24:47,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 20:24:47,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 20:24:47,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 20:24:47,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 20:24:47,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 20:24:47,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 20:24:47,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-06 20:24:47,469 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-06 20:24:47,469 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-06 20:24:47,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 20:24:47,470 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-06 20:24:47,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 20:24:47,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 20:24:47,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 20:24:47,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 20:24:47,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 20:24:47,688 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 20:24:47,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-06 20:24:47,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6488f5aab/083cadbb380841dbbdc5c636c5a21390/FLAGc5a29d07c [2022-04-06 20:24:48,110 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 20:24:48,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-06 20:24:48,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6488f5aab/083cadbb380841dbbdc5c636c5a21390/FLAGc5a29d07c [2022-04-06 20:24:48,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6488f5aab/083cadbb380841dbbdc5c636c5a21390 [2022-04-06 20:24:48,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 20:24:48,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-06 20:24:48,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 20:24:48,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 20:24:48,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 20:24:48,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9e926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48, skipping insertion in model container [2022-04-06 20:24:48,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 20:24:48,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 20:24:48,705 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_4.c[11358,11371] [2022-04-06 20:24:48,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 20:24:48,715 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 20:24:48,795 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_4.c[11358,11371] [2022-04-06 20:24:48,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 20:24:48,805 INFO L208 MainTranslator]: Completed translation [2022-04-06 20:24:48,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48 WrapperNode [2022-04-06 20:24:48,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 20:24:48,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 20:24:48,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 20:24:48,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 20:24:48,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 20:24:48,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 20:24:48,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 20:24:48,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 20:24:48,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (1/1) ... [2022-04-06 20:24:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 20:24:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 20:24:48,888 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) [2022-04-06 20:24:48,897 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 [2022-04-06 20:24:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 20:24:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 20:24:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 20:24:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-06 20:24:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-06 20:24:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 20:24:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-06 20:24:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-06 20:24:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 20:24:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-06 20:24:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 20:24:49,089 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 20:24:49,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 20:24:49,453 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 20:24:49,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 20:24:49,458 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-06 20:24:49,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:24:49 BoogieIcfgContainer [2022-04-06 20:24:49,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 20:24:49,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 20:24:49,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 20:24:49,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 20:24:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:24:48" (1/3) ... [2022-04-06 20:24:49,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad349a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:24:49, skipping insertion in model container [2022-04-06 20:24:49,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:24:48" (2/3) ... [2022-04-06 20:24:49,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad349a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:24:49, skipping insertion in model container [2022-04-06 20:24:49,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:24:49" (3/3) ... [2022-04-06 20:24:49,469 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2022-04-06 20:24:49,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-06 20:24:49,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 20:24:49,499 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 20:24:49,504 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-06 20:24:49,504 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 20:24:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-06 20:24:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-06 20:24:49,523 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 20:24:49,523 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 20:24:49,524 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 20:24:49,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 20:24:49,527 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2022-04-06 20:24:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:49,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [591605973] [2022-04-06 20:24:49,540 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-06 20:24:49,540 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 2 times [2022-04-06 20:24:49,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 20:24:49,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976476737] [2022-04-06 20:24:49,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 20:24:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 20:24:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 20:24:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-06 20:24:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-06 20:24:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-04-06 20:24:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-06 20:24:49,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 20:24:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976476737] [2022-04-06 20:24:49,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976476737] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:49,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:49,948 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-06 20:24:49,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [591605973] [2022-04-06 20:24:49,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [591605973] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:49,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:49,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 20:24:49,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234988042] [2022-04-06 20:24:49,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 20:24:49,961 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 20:24:49,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:49,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 20:24:49,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 20:24:49,980 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-06 20:24:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 20:24:50,408 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-04-06 20:24:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 20:24:50,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-04-06 20:24:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 20:24:50,419 INFO L225 Difference]: With dead ends: 245 [2022-04-06 20:24:50,419 INFO L226 Difference]: Without dead ends: 120 [2022-04-06 20:24:50,425 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 20:24:50,429 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 20:24:50,434 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 20:24:50,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-04-06 20:24:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-04-06 20:24:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-06 20:24:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-04-06 20:24:50,500 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-04-06 20:24:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 20:24:50,501 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-04-06 20:24:50,501 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-06 20:24:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-06 20:24:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-06 20:24:50,508 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 20:24:50,508 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 20:24:50,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 20:24:50,508 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 20:24:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 20:24:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2022-04-06 20:24:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [637570274] [2022-04-06 20:24:50,514 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-06 20:24:50,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 2 times [2022-04-06 20:24:50,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 20:24:50,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512961870] [2022-04-06 20:24:50,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 20:24:50,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 20:24:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 20:24:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-06 20:24:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-04-06 20:24:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 20:24:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 20:24:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 20:24:50,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 20:24:50,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512961870] [2022-04-06 20:24:50,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512961870] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:50,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:50,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 20:24:50,767 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-06 20:24:50,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [637570274] [2022-04-06 20:24:50,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [637570274] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 20:24:50,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 20:24:50,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-06 20:24:50,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749733517] [2022-04-06 20:24:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 20:24:50,768 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 20:24:50,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-06 20:24:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 20:24:50,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-06 20:24:50,769 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-06 20:24:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 20:24:51,473 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-04-06 20:24:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 20:24:51,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-04-06 20:24:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 20:24:51,474 INFO L225 Difference]: With dead ends: 148 [2022-04-06 20:24:51,474 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 20:24:51,476 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-04-06 20:24:51,477 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 20:24:51,477 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 20:24:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 20:24:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 20:24:51,479 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) [2022-04-06 20:24:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 20:24:51,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-04-06 20:24:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 20:24:51,480 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 20:24:51,480 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-06 20:24:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 20:24:51,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 20:24:51,482 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 20:24:51,482 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 20:24:51,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 20:24:51,823 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-06 20:24:51,824 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-06 20:24:51,824 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-06 20:24:51,824 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-06 20:24:51,825 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-06 20:24:51,826 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-06 20:24:51,827 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-06 20:24:51,828 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-06 20:24:51,828 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-06 20:24:51,828 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,828 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,828 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-06 20:24:51,829 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,829 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,829 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,829 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,829 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-06 20:24:51,829 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-06 20:24:51,829 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:51,829 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-06 20:24:51,829 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:51,829 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-06 20:24:51,829 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:51,830 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:51,831 INFO L878 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L878 garLoopResultBuilder]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-06 20:24:51,832 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-06 20:24:51,833 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-06 20:24:51,834 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-06 20:24:51,834 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-06 20:24:51,834 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-06 20:24:51,835 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-04-06 20:24:51,835 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-04-06 20:24:51,837 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-06 20:24:51,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 20:24:51,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:24:51 BoogieIcfgContainer [2022-04-06 20:24:51,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 20:24:51,850 INFO L158 Benchmark]: Toolchain (without parser) took 3365.29ms. Allocated memory was 190.8MB in the beginning and 305.1MB in the end (delta: 114.3MB). Free memory was 135.9MB in the beginning and 170.7MB in the end (delta: -34.8MB). Peak memory consumption was 149.5MB. Max. memory is 8.0GB. [2022-04-06 20:24:51,850 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 20:24:51,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.46ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 155.9MB in the end (delta: -20.1MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-04-06 20:24:51,850 INFO L158 Benchmark]: Boogie Preprocessor took 56.38ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 152.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-06 20:24:51,851 INFO L158 Benchmark]: RCFGBuilder took 596.48ms. Allocated memory is still 190.8MB. Free memory was 152.3MB in the beginning and 121.9MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-04-06 20:24:51,851 INFO L158 Benchmark]: TraceAbstraction took 2388.80ms. Allocated memory was 190.8MB in the beginning and 305.1MB in the end (delta: 114.3MB). Free memory was 121.4MB in the beginning and 170.7MB in the end (delta: -49.3MB). Peak memory consumption was 135.6MB. Max. memory is 8.0GB. [2022-04-06 20:24:51,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.46ms. Allocated memory is still 190.8MB. Free memory was 135.8MB in the beginning and 155.9MB in the end (delta: -20.1MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.38ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 152.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 596.48ms. Allocated memory is still 190.8MB. Free memory was 152.3MB in the beginning and 121.9MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2388.80ms. Allocated memory was 190.8MB in the beginning and 305.1MB in the end (delta: 114.3MB). Free memory was 121.4MB in the beginning and 170.7MB in the end (delta: -49.3MB). Peak memory consumption was 135.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 353 HoareAnnotationTreeSize, 455 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 129 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: !(Id_MCDC_103 == 0) || \old(Id_MCDC_103) == 0 RESULT: Ultimate proved your program to be correct! [2022-04-06 20:24:51,883 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...