/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_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-18 00:44:47,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 00:44:47,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 00:44:47,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 00:44:47,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 00:44:47,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 00:44:47,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 00:44:47,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 00:44:47,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 00:44:47,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 00:44:47,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 00:44:47,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 00:44:47,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 00:44:47,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 00:44:47,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 00:44:47,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 00:44:47,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 00:44:47,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 00:44:47,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 00:44:47,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 00:44:47,132 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 00:44:47,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 00:44:47,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 00:44:47,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 00:44:47,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 00:44:47,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-18 00:44:47,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 00:44:47,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 00:44:47,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 00:44:47,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-03-18 00:44:47,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 00:44:47,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 00:44:47,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 00:44:47,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 00:44:47,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 00:44:47,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 00:44:47,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 00:44:47,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 00:44:47,157 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-03-18 00:44:47,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 00:44:47,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 00:44:47,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 00:44:47,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 00:44:47,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 00:44:47,363 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 00:44:47,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-03-18 00:44:47,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bad9c2fa/858b77e884dd45c1b4e302af0db79d05/FLAG33c02e25d [2022-03-18 00:44:47,727 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 00:44:47,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-03-18 00:44:47,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bad9c2fa/858b77e884dd45c1b4e302af0db79d05/FLAG33c02e25d [2022-03-18 00:44:48,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bad9c2fa/858b77e884dd45c1b4e302af0db79d05 [2022-03-18 00:44:48,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 00:44:48,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-18 00:44:48,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 00:44:48,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 00:44:48,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 00:44:48,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d10a40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48, skipping insertion in model container [2022-03-18 00:44:48,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 00:44:48,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 00:44:48,413 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_2.c[11342,11355] [2022-03-18 00:44:48,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 00:44:48,427 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 00:44:48,491 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_2.c[11342,11355] [2022-03-18 00:44:48,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 00:44:48,505 INFO L208 MainTranslator]: Completed translation [2022-03-18 00:44:48,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48 WrapperNode [2022-03-18 00:44:48,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 00:44:48,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 00:44:48,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 00:44:48,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 00:44:48,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 00:44:48,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 00:44:48,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 00:44:48,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 00:44:48,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (1/1) ... [2022-03-18 00:44:48,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 00:44:48,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 00:44:48,610 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) [2022-03-18 00:44:48,631 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 [2022-03-18 00:44:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 00:44:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 00:44:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-18 00:44:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-18 00:44:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-18 00:44:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 00:44:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-18 00:44:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-18 00:44:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 00:44:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-18 00:44:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 00:44:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-18 00:44:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 00:44:48,812 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 00:44:48,814 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 00:44:49,215 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 00:44:49,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 00:44:49,222 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-18 00:44:49,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 12:44:49 BoogieIcfgContainer [2022-03-18 00:44:49,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 00:44:49,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 00:44:49,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 00:44:49,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 00:44:49,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 12:44:48" (1/3) ... [2022-03-18 00:44:49,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7c668c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 12:44:49, skipping insertion in model container [2022-03-18 00:44:49,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:44:48" (2/3) ... [2022-03-18 00:44:49,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7c668c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 12:44:49, skipping insertion in model container [2022-03-18 00:44:49,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 12:44:49" (3/3) ... [2022-03-18 00:44:49,230 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-03-18 00:44:49,233 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-18 00:44:49,233 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 00:44:49,267 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 00:44:49,273 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 [2022-03-18 00:44:49,273 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 00:44:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 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) [2022-03-18 00:44:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-18 00:44:49,296 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 00:44:49,297 INFO L500 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] [2022-03-18 00:44:49,297 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 00:44:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 00:44:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-03-18 00:44:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-18 00:44:49,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1165064345] [2022-03-18 00:44:49,314 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-18 00:44:49,314 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 2 times [2022-03-18 00:44:49,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 00:44:49,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009091274] [2022-03-18 00:44:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 00:44:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 00:44:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 00:44:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 00:44:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 00:44:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-18 00:44:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 00:44:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-18 00:44:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 00:44:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 00:44:49,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 00:44:49,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009091274] [2022-03-18 00:44:49,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009091274] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 00:44:49,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 00:44:49,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 00:44:49,661 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-18 00:44:49,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1165064345] [2022-03-18 00:44:49,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1165064345] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 00:44:49,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 00:44:49,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 00:44:49,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846771977] [2022-03-18 00:44:49,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 00:44:49,670 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 00:44:49,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-18 00:44:49,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 00:44:49,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 00:44:49,687 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 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 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-18 00:44:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 00:44:50,111 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-03-18 00:44:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-18 00:44:50,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-03-18 00:44:50,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 00:44:50,118 INFO L225 Difference]: With dead ends: 243 [2022-03-18 00:44:50,118 INFO L226 Difference]: Without dead ends: 119 [2022-03-18 00:44:50,134 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 00:44:50,138 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 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 [2022-03-18 00:44:50,140 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-18 00:44:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-03-18 00:44:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-03-18 00:44:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 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) [2022-03-18 00:44:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-03-18 00:44:50,190 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-03-18 00:44:50,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 00:44:50,191 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-03-18 00:44:50,191 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-18 00:44:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-03-18 00:44:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-18 00:44:50,198 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 00:44:50,198 INFO L500 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] [2022-03-18 00:44:50,198 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-18 00:44:50,198 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 00:44:50,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 00:44:50,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-03-18 00:44:50,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-18 00:44:50,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1266949804] [2022-03-18 00:44:50,200 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-18 00:44:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 2 times [2022-03-18 00:44:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 00:44:50,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48461255] [2022-03-18 00:44:50,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 00:44:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 00:44:50,234 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-18 00:44:50,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560053770] [2022-03-18 00:44:50,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-18 00:44:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 00:44:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 00:44:50,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 00:44:50,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-18 00:44:50,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-18 00:44:50,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-18 00:44:50,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 00:44:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 00:44:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 00:44:50,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 00:44:50,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 00:44:50,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48461255] [2022-03-18 00:44:50,517 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-18 00:44:50,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560053770] [2022-03-18 00:44:50,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560053770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 00:44:50,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 00:44:50,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 00:44:50,518 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-18 00:44:50,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1266949804] [2022-03-18 00:44:50,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1266949804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 00:44:50,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 00:44:50,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 00:44:50,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792988502] [2022-03-18 00:44:50,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 00:44:50,519 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 00:44:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-18 00:44:50,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 00:44:50,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 00:44:50,520 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-18 00:44:50,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 00:44:50,551 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-03-18 00:44:50,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 00:44:50,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 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 39 [2022-03-18 00:44:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 00:44:50,552 INFO L225 Difference]: With dead ends: 119 [2022-03-18 00:44:50,552 INFO L226 Difference]: Without dead ends: 0 [2022-03-18 00:44:50,553 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 00:44:50,554 INFO L912 BasicCegarLoop]: 160 mSDtfsCounter, 5 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-18 00:44:50,554 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 477 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 00:44:50,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-18 00:44:50,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-18 00:44:50,555 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) [2022-03-18 00:44:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-18 00:44:50,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-03-18 00:44:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 00:44:50,556 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-18 00:44:50,556 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-18 00:44:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-18 00:44:50,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-18 00:44:50,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-18 00:44:50,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-18 00:44:50,758 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 00:44:50,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-18 00:44:51,141 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-03-18 00:44:51,141 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-03-18 00:44:51,141 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-03-18 00:44:51,142 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-03-18 00:44:51,142 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-03-18 00:44:51,142 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-03-18 00:44:51,142 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-03-18 00:44:51,143 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-03-18 00:44:51,144 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-03-18 00:44:51,145 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|)) [2022-03-18 00:44:51,145 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-03-18 00:44:51,146 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|)) [2022-03-18 00:44:51,146 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-03-18 00:44:51,146 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|)) [2022-03-18 00:44:51,146 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-03-18 00:44:51,146 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-03-18 00:44:51,146 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-03-18 00:44:51,147 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-03-18 00:44:51,147 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-18 00:44:51,147 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-03-18 00:44:51,147 INFO L885 garLoopResultBuilder]: At program point L274-1(line 274) the Hoare annotation is: true [2022-03-18 00:44:51,147 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-18 00:44:51,148 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-03-18 00:44:51,148 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-03-18 00:44:51,148 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-03-18 00:44:51,148 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-03-18 00:44:51,148 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-03-18 00:44:51,148 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|)) [2022-03-18 00:44:51,148 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|)) [2022-03-18 00:44:51,152 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,152 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,152 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,153 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|)) [2022-03-18 00:44:51,154 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-03-18 00:44:51,154 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,156 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,156 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,157 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,157 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 00:44:51,157 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-03-18 00:44:51,157 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-03-18 00:44:51,157 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-03-18 00:44:51,157 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-03-18 00:44:51,157 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-03-18 00:44:51,157 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-18 00:44:51,158 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-03-18 00:44:51,158 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|)) [2022-03-18 00:44:51,158 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-03-18 00:44:51,158 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-03-18 00:44:51,159 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-18 00:44:51,161 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-18 00:44:51,161 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-18 00:44:51,163 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-03-18 00:44:51,164 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-03-18 00:44:51,165 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,166 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|)) [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,166 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-03-18 00:44:51,167 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-18 00:44:51,167 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-03-18 00:44:51,167 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-03-18 00:44:51,168 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-03-18 00:44:51,168 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-03-18 00:44:51,170 INFO L718 BasicCegarLoop]: Path program histogram: [2, 2] [2022-03-18 00:44:51,172 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-18 00:44:51,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 12:44:51 BoogieIcfgContainer [2022-03-18 00:44:51,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-18 00:44:51,187 INFO L158 Benchmark]: Toolchain (without parser) took 3042.57ms. Allocated memory was 179.3MB in the beginning and 273.7MB in the end (delta: 94.4MB). Free memory was 125.7MB in the beginning and 178.9MB in the end (delta: -53.1MB). Peak memory consumption was 97.5MB. Max. memory is 8.0GB. [2022-03-18 00:44:51,187 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 143.2MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 00:44:51,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.56ms. Allocated memory was 179.3MB in the beginning and 273.7MB in the end (delta: 94.4MB). Free memory was 125.6MB in the beginning and 240.4MB in the end (delta: -114.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-03-18 00:44:51,188 INFO L158 Benchmark]: Boogie Preprocessor took 78.72ms. Allocated memory is still 273.7MB. Free memory was 240.4MB in the beginning and 237.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-18 00:44:51,188 INFO L158 Benchmark]: RCFGBuilder took 638.72ms. Allocated memory is still 273.7MB. Free memory was 237.2MB in the beginning and 206.8MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-18 00:44:51,188 INFO L158 Benchmark]: TraceAbstraction took 1960.65ms. Allocated memory is still 273.7MB. Free memory was 206.3MB in the beginning and 178.9MB in the end (delta: 27.5MB). Peak memory consumption was 84.5MB. Max. memory is 8.0GB. [2022-03-18 00:44:51,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 143.2MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 350.56ms. Allocated memory was 179.3MB in the beginning and 273.7MB in the end (delta: 94.4MB). Free memory was 125.6MB in the beginning and 240.4MB in the end (delta: -114.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.72ms. Allocated memory is still 273.7MB. Free memory was 240.4MB in the beginning and 237.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 638.72ms. Allocated memory is still 273.7MB. Free memory was 237.2MB in the beginning and 206.8MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1960.65ms. Allocated memory is still 273.7MB. Free memory was 206.3MB in the beginning and 178.9MB in the end (delta: 27.5MB). Peak memory consumption was 84.5MB. 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: 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, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 128 LocationsWithAnnotation, 424 PreInvPairs, 536 NumberOfFragments, 354 HoareAnnotationTreeSize, 424 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 128 FomulaSimplificationsInter, 12 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: 1 <= Id_MCDC_103 || !(1 <= \old(Id_MCDC_103)) RESULT: Ultimate proved your program to be correct! [2022-03-18 00:44:51,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...