/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:27:07,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:27:07,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:27:07,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 07:27:07,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 07:27:07,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 07:27:07,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 07:27:07,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 07:27:07,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 07:27:07,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 07:27:07,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 07:27:07,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 07:27:07,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:27:07,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:27:07,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:27:07,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:27:07,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:27:07,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:27:07,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:27:07,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:27:07,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:27:07,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:27:07,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:27:07,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:27:07,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 07:27:07,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 07:27:07,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 07:27:07,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 07:27:07,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 07:27:07,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 07:27:07,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 07:27:07,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 07:27:07,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 07:27:07,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 07:27:07,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 07:27:07,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 07:27:07,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 07:27:07,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 07:27:07,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:27:07,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:27:07,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:27:07,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:27:07,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:27:07,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:27:07,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:27:07,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:27:07,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:27:07,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:27:07,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:27:07,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:27:07,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:27:07,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:27:07,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:27:07,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:27:07,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:27:07,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:27:07,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:27:07,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:27:07,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:27:07,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:27:07,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:27:07,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:27:07,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:27:07,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:27:07,310 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:27:07,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:27:07,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:27:07,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:27:07,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:27:07,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:27:07,864 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:27:07,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-04-16 07:27:07,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc34d81fe/c116f217b9c74ea1ba04ca44d0b58e7a/FLAGd794eff2e [2021-04-16 07:27:08,870 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:27:08,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-04-16 07:27:08,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc34d81fe/c116f217b9c74ea1ba04ca44d0b58e7a/FLAGd794eff2e [2021-04-16 07:27:09,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc34d81fe/c116f217b9c74ea1ba04ca44d0b58e7a [2021-04-16 07:27:09,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:27:09,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:27:09,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:27:09,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:27:09,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:27:09,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:09,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e99534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09, skipping insertion in model container [2021-04-16 07:27:09,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:09,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:27:09,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:27:09,669 WARN L226 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] [2021-04-16 07:27:09,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:27:09,740 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:27:09,910 WARN L226 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] [2021-04-16 07:27:09,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:27:09,954 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:27:09,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09 WrapperNode [2021-04-16 07:27:09,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:27:09,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:27:09,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:27:09,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:27:09,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:09,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... [2021-04-16 07:27:10,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:27:10,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:27:10,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:27:10,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:27:10,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:27:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:27:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:27:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:27:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 07:27:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-04-16 07:27:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2021-04-16 07:27:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2021-04-16 07:27:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-04-16 07:27:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2021-04-16 07:27:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2021-04-16 07:27:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2021-04-16 07:27:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2021-04-16 07:27:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:27:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 07:27:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:27:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:27:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:27:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:27:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 07:27:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-04-16 07:27:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-04-16 07:27:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2021-04-16 07:27:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:27:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-04-16 07:27:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:27:11,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:27:11,416 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-04-16 07:27:11,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:27:11 BoogieIcfgContainer [2021-04-16 07:27:11,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:27:11,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:27:11,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:27:11,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:27:11,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:27:09" (1/3) ... [2021-04-16 07:27:11,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6961e64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:27:11, skipping insertion in model container [2021-04-16 07:27:11,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:27:09" (2/3) ... [2021-04-16 07:27:11,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6961e64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:27:11, skipping insertion in model container [2021-04-16 07:27:11,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:27:11" (3/3) ... [2021-04-16 07:27:11,430 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2021-04-16 07:27:11,437 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:27:11,446 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:27:11,500 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:27:11,545 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:27:11,550 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:27:11,551 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:27:11,551 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:27:11,551 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:27:11,551 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:27:11,551 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:27:11,551 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:27:11,598 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) [2021-04-16 07:27:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-04-16 07:27:11,628 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:27:11,630 INFO L519 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] [2021-04-16 07:27:11,631 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:27:11,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:27:11,645 INFO L82 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2021-04-16 07:27:11,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:27:11,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675934394] [2021-04-16 07:27:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:27:11,777 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:27:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:12,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,476 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-04-16 07:27:12,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:27:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:12,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-04-16 07:27:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:12,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-04-16 07:27:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-04-16 07:27:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-04-16 07:27:12,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675934394] [2021-04-16 07:27:12,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:27:12,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 07:27:12,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686290594] [2021-04-16 07:27:12,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 07:27:12,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:27:12,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 07:27:12,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 07:27:12,729 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) [2021-04-16 07:27:12,993 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-04-16 07:27:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:27:13,847 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2021-04-16 07:27:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 07:27:13,849 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 [2021-04-16 07:27:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:27:13,867 INFO L225 Difference]: With dead ends: 245 [2021-04-16 07:27:13,868 INFO L226 Difference]: Without dead ends: 120 [2021-04-16 07:27:13,878 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 534.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-16 07:27:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-04-16 07:27:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-04-16 07:27:14,019 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) [2021-04-16 07:27:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2021-04-16 07:27:14,033 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2021-04-16 07:27:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:27:14,033 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2021-04-16 07:27:14,034 INFO L481 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) [2021-04-16 07:27:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2021-04-16 07:27:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-04-16 07:27:14,038 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:27:14,038 INFO L519 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] [2021-04-16 07:27:14,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:27:14,039 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:27:14,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:27:14,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2021-04-16 07:27:14,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:27:14,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573216847] [2021-04-16 07:27:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:27:14,045 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:27:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:14,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:27:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:27:14,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,369 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-04-16 07:27:14,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:27:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:14,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-04-16 07:27:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:14,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-04-16 07:27:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:14,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-04-16 07:27:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:27:14,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:27:14,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:27:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:27:14,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573216847] [2021-04-16 07:27:14,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:27:14,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-16 07:27:14,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604449889] [2021-04-16 07:27:14,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-16 07:27:14,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:27:14,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-16 07:27:14,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-16 07:27:14,478 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) [2021-04-16 07:27:14,656 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-04-16 07:27:15,645 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-04-16 07:27:15,856 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-04-16 07:27:16,045 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-04-16 07:27:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:27:16,313 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2021-04-16 07:27:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-16 07:27:16,314 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 [2021-04-16 07:27:16,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:27:16,317 INFO L225 Difference]: With dead ends: 148 [2021-04-16 07:27:16,317 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 07:27:16,321 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 975.0ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-04-16 07:27:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 07:27:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 07:27:16,322 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) [2021-04-16 07:27:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 07:27:16,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-04-16 07:27:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:27:16,323 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 07:27:16,323 INFO L481 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) [2021-04-16 07:27:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 07:27:16,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 07:27:16,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 07:27:16,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-04-16 07:27:19,020 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 16 [2021-04-16 07:27:19,177 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:19,428 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-04-16 07:27:19,609 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:19,749 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-04-16 07:27:19,901 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:20,198 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:20,717 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-04-16 07:27:20,880 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:21,108 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-04-16 07:27:21,286 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 1 [2021-04-16 07:27:21,440 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-04-16 07:27:21,729 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 1 [2021-04-16 07:27:21,830 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-04-16 07:27:21,830 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-04-16 07:27:21,830 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-04-16 07:27:21,831 INFO L201 CegarLoopUtils]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2021-04-16 07:27:21,831 INFO L201 CegarLoopUtils]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2021-04-16 07:27:21,831 INFO L194 CegarLoopUtils]: At program point L424(line 424) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,831 INFO L194 CegarLoopUtils]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,831 INFO L201 CegarLoopUtils]: At program point L417(line 417) the Hoare annotation is: true [2021-04-16 07:27:21,831 INFO L201 CegarLoopUtils]: At program point L405(line 405) the Hoare annotation is: true [2021-04-16 07:27:21,831 INFO L201 CegarLoopUtils]: At program point L405-1(line 405) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L194 CegarLoopUtils]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point L408(line 408) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point L408-2(lines 408 415) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point L406-2(lines 406 416) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-04-16 07:27:21,832 INFO L201 CegarLoopUtils]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L221(line 221) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L217(line 217) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L217-2(line 217) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L209(lines 209 225) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L234-2(line 234) the Hoare annotation is: true [2021-04-16 07:27:21,833 INFO L201 CegarLoopUtils]: At program point L234-3(line 234) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L218(line 218) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L214(line 214) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L214-2(line 214) the Hoare annotation is: true [2021-04-16 07:27:21,834 INFO L201 CegarLoopUtils]: At program point L202(lines 202 208) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L198(lines 198 201) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L223(line 223) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L211(line 211) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L211-2(line 211) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L236(lines 236 241) the Hoare annotation is: true [2021-04-16 07:27:21,835 INFO L201 CegarLoopUtils]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point L220-2(line 220) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point L212(line 212) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point L204(lines 204 207) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2021-04-16 07:27:21,836 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,836 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2021-04-16 07:27:21,837 INFO L194 CegarLoopUtils]: At program point L457(line 457) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,837 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2021-04-16 07:27:21,837 INFO L194 CegarLoopUtils]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-04-16 07:27:21,837 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2021-04-16 07:27:21,837 INFO L198 CegarLoopUtils]: For program point L6(line 6) no Hoare annotation was computed. [2021-04-16 07:27:21,837 INFO L198 CegarLoopUtils]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2021-04-16 07:27:21,837 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2021-04-16 07:27:21,837 INFO L201 CegarLoopUtils]: At program point L378(line 378) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L194 CegarLoopUtils]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point L371(line 371) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2021-04-16 07:27:21,838 INFO L201 CegarLoopUtils]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L388(line 388) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L388-1(line 388) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L389(lines 389 392) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L356(lines 356 397) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2021-04-16 07:27:21,839 INFO L201 CegarLoopUtils]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L365(line 365) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L361(line 361) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L194 CegarLoopUtils]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-04-16 07:27:21,840 INFO L201 CegarLoopUtils]: At program point L296(line 296) the Hoare annotation is: true [2021-04-16 07:27:21,840 INFO L194 CegarLoopUtils]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L296-1(line 296) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L194 CegarLoopUtils]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L290-1(line 290) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L288(lines 288 295) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L284(lines 284 287) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2021-04-16 07:27:21,841 INFO L201 CegarLoopUtils]: At program point L318(lines 318 323) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L316(line 316) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L316-2(line 316) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L316-3(line 316) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L304(lines 304 307) the Hoare annotation is: true [2021-04-16 07:27:21,842 INFO L201 CegarLoopUtils]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point L311(lines 311 314) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point L255(lines 255 269) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2021-04-16 07:27:21,843 INFO L201 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point L272-1(line 272) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point L261(lines 261 269) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,844 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#t~string72.base| |old(#t~string72.base)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string73.base)| |#t~string73.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#t~string45.base)| |#t~string45.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point L11(lines 11 14) the Hoare annotation is: true [2021-04-16 07:27:21,845 INFO L201 CegarLoopUtils]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2021-04-16 07:27:21,846 INFO L201 CegarLoopUtils]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-04-16 07:27:21,846 INFO L194 CegarLoopUtils]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2021-04-16 07:27:21,846 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2021-04-16 07:27:21,846 INFO L194 CegarLoopUtils]: 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)) [2021-04-16 07:27:21,846 INFO L194 CegarLoopUtils]: 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)) [2021-04-16 07:27:21,846 INFO L194 CegarLoopUtils]: 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)) [2021-04-16 07:27:21,847 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2021-04-16 07:27:21,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 07:27:21 BoogieIcfgContainer [2021-04-16 07:27:21,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 07:27:21,883 INFO L168 Benchmark]: Toolchain (without parser) took 12731.58 ms. Allocated memory was 195.0 MB in the beginning and 362.8 MB in the end (delta: 167.8 MB). Free memory was 160.3 MB in the beginning and 217.5 MB in the end (delta: -57.1 MB). Peak memory consumption was 198.2 MB. Max. memory is 8.0 GB. [2021-04-16 07:27:21,884 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 195.0 MB. Free memory is still 177.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:27:21,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.74 ms. Allocated memory is still 195.0 MB. Free memory was 160.1 MB in the beginning and 172.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-04-16 07:27:21,885 INFO L168 Benchmark]: Boogie Preprocessor took 183.91 ms. Allocated memory is still 195.0 MB. Free memory was 172.1 MB in the beginning and 168.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-04-16 07:27:21,886 INFO L168 Benchmark]: RCFGBuilder took 1275.34 ms. Allocated memory is still 195.0 MB. Free memory was 168.5 MB in the beginning and 106.1 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-04-16 07:27:21,887 INFO L168 Benchmark]: TraceAbstraction took 10459.96 ms. Allocated memory was 195.0 MB in the beginning and 362.8 MB in the end (delta: 167.8 MB). Free memory was 105.5 MB in the beginning and 217.5 MB in the end (delta: -111.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 8.0 GB. [2021-04-16 07:27:21,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 195.0 MB. Free memory is still 177.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 798.74 ms. Allocated memory is still 195.0 MB. Free memory was 160.1 MB in the beginning and 172.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 183.91 ms. Allocated memory is still 195.0 MB. Free memory was 172.1 MB in the beginning and 168.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1275.34 ms. Allocated memory is still 195.0 MB. Free memory was 168.5 MB in the beginning and 106.1 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10459.96 ms. Allocated memory was 195.0 MB in the beginning and 362.8 MB in the end (delta: 167.8 MB). Free memory was 105.5 MB in the beginning and 217.5 MB in the end (delta: -111.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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. VerificationResult: SAFE, OverallTime: 4786.5ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 48.5ms, AutomataDifference: 3015.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5505.0ms, InitialAbstractionConstructionTime: 31.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 275 SDtfs, 407 SDslu, 223 SDs, 0 SdLazy, 519 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1249.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1509.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 136.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 403 HoareAnnotationTreeSize, 455 FomulaSimplifications, 138 FormulaSimplificationTreeSizeReduction, 2487.2ms HoareSimplificationTime, 129 FomulaSimplificationsInter, 11309 FormulaSimplificationTreeSizeReductionInter, 2859.8ms 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: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - 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! Received shutdown request...