/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 23:49:25,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 23:49:25,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 23:49:25,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 23:49:25,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 23:49:25,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 23:49:25,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 23:49:25,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 23:49:25,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 23:49:25,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 23:49:25,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 23:49:25,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 23:49:25,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 23:49:25,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 23:49:25,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 23:49:25,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 23:49:25,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 23:49:25,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 23:49:25,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 23:49:25,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 23:49:25,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-02 23:49:25,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 23:49:25,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 23:49:25,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 23:49:25,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 23:49:25,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 23:49:25,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 23:49:25,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 23:49:25,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 23:49:25,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 23:49:25,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 23:49:25,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 23:49:25,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 23:49:25,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 23:49:25,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 23:49:25,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 23:49:25,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 23:49:25,506 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-02 23:49:25,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 23:49:25,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 23:49:25,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 23:49:25,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 23:49:25,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 23:49:25,821 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 23:49:25,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-02 23:49:25,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88576bd67/d5a8b0e1d790438184eae1c2d67fb9de/FLAG44ac39e92 [2021-05-02 23:49:26,418 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 23:49:26,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-02 23:49:26,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88576bd67/d5a8b0e1d790438184eae1c2d67fb9de/FLAG44ac39e92 [2021-05-02 23:49:26,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88576bd67/d5a8b0e1d790438184eae1c2d67fb9de [2021-05-02 23:49:26,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 23:49:26,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 23:49:26,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 23:49:26,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 23:49:26,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 23:49:26,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:49:26" (1/1) ... [2021-05-02 23:49:26,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a3706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:26, skipping insertion in model container [2021-05-02 23:49:26,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:49:26" (1/1) ... [2021-05-02 23:49:26,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 23:49:26,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 23:49:27,266 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-05-02 23:49:27,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:49:27,289 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 23:49:27,368 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-05-02 23:49:27,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:49:27,391 INFO L208 MainTranslator]: Completed translation [2021-05-02 23:49:27,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27 WrapperNode [2021-05-02 23:49:27,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 23:49:27,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 23:49:27,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 23:49:27,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 23:49:27,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (1/1) ... [2021-05-02 23:49:27,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 23:49:27,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 23:49:27,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 23:49:27,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 23:49:27,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (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 [2021-05-02 23:49:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 23:49:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 23:49:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 23:49:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2021-05-02 23:49:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-02 23:49:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-02 23:49:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 23:49:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-02 23:49:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 23:49:28,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 23:49:28,220 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-05-02 23:49:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:49:28 BoogieIcfgContainer [2021-05-02 23:49:28,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 23:49:28,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 23:49:28,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 23:49:28,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 23:49:28,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:49:26" (1/3) ... [2021-05-02 23:49:28,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5238d465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:49:28, skipping insertion in model container [2021-05-02 23:49:28,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:49:27" (2/3) ... [2021-05-02 23:49:28,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5238d465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:49:28, skipping insertion in model container [2021-05-02 23:49:28,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:49:28" (3/3) ... [2021-05-02 23:49:28,228 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2021-05-02 23:49:28,233 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-02 23:49:28,237 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 23:49:28,252 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 23:49:28,275 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 23:49:28,275 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 23:49:28,276 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-02 23:49:28,276 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 23:49:28,276 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 23:49:28,276 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 23:49:28,276 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 23:49:28,276 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 23:49:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-02 23:49:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-02 23:49:28,307 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:49:28,308 INFO L523 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] [2021-05-02 23:49:28,308 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:49:28,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:49:28,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2021-05-02 23:49:28,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:49:28,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097783271] [2021-05-02 23:49:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:49:28,383 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:49:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:28,749 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-02 23:49:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:49:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 23:49:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 23:49:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:49:28,846 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:49:28,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097783271] [2021-05-02 23:49:28,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2097783271] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:49:28,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:49:28,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 23:49:28,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424401834] [2021-05-02 23:49:28,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 23:49:28,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:49:28,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 23:49:28,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 23:49:28,865 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 23:49:29,012 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-02 23:49:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:49:29,532 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2021-05-02 23:49:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 23:49:29,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-05-02 23:49:29,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:49:29,541 INFO L225 Difference]: With dead ends: 241 [2021-05-02 23:49:29,542 INFO L226 Difference]: Without dead ends: 118 [2021-05-02 23:49:29,545 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 315.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 23:49:29,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-05-02 23:49:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-05-02 23:49:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-02 23:49:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-05-02 23:49:29,625 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2021-05-02 23:49:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:49:29,625 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-05-02 23:49:29,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 23:49:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-05-02 23:49:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-02 23:49:29,628 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:49:29,628 INFO L523 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] [2021-05-02 23:49:29,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 23:49:29,629 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:49:29,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:49:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2021-05-02 23:49:29,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:49:29,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492630216] [2021-05-02 23:49:29,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:49:29,633 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:49:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:29,866 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-02 23:49:29,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:49:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 23:49:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 23:49:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:49:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:49:29,910 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:49:29,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492630216] [2021-05-02 23:49:29,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1492630216] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:49:29,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:49:29,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-02 23:49:29,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262509296] [2021-05-02 23:49:29,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-02 23:49:29,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:49:29,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-02 23:49:29,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-02 23:49:29,917 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-02 23:49:30,026 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-02 23:49:30,562 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-05-02 23:49:30,718 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-05-02 23:49:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:49:30,919 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2021-05-02 23:49:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-02 23:49:30,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-05-02 23:49:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:49:30,922 INFO L225 Difference]: With dead ends: 118 [2021-05-02 23:49:30,922 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 23:49:30,924 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 523.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-05-02 23:49:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 23:49:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 23:49:30,924 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) [2021-05-02 23:49:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 23:49:30,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-05-02 23:49:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:49:30,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 23:49:30,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-02 23:49:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 23:49:30,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 23:49:30,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 23:49:30,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-02 23:49:32,799 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-05-02 23:49:33,444 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-05-02 23:49:33,444 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-05-02 23:49:33,444 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-05-02 23:49:33,444 INFO L201 CegarLoopUtils]: At program point L321(line 321) the Hoare annotation is: true [2021-05-02 23:49:33,444 INFO L201 CegarLoopUtils]: At program point L322-1(line 322) the Hoare annotation is: true [2021-05-02 23:49:33,444 INFO L201 CegarLoopUtils]: At program point L321-1(line 321) the Hoare annotation is: true [2021-05-02 23:49:33,444 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2021-05-02 23:49:33,444 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L315(line 315) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L315-1(line 315) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L313(lines 313 320) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L309(lines 309 312) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L322(line 322) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L194 CegarLoopUtils]: At program point Id_MCDC_115ENTRY(lines 356 424) 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|)) [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L403(line 403) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L396(line 396) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2021-05-02 23:49:33,445 INFO L201 CegarLoopUtils]: At program point L413(line 413) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L413-1(line 413) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L414(lines 414 417) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L381(lines 381 422) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L390(line 390) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L386(line 386) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L343(lines 343 348) the Hoare annotation is: true [2021-05-02 23:49:33,446 INFO L201 CegarLoopUtils]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L341(line 341) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L341-2(line 341) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L341-3(line 341) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L329(lines 329 332) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L336(lines 336 339) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L286(lines 286 294) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L280(lines 280 294) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2021-05-02 23:49:33,447 INFO L201 CegarLoopUtils]: At program point L298(line 298) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L194 CegarLoopUtils]: At program point L478(lines 478 481) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,448 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 452 484) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2021-05-02 23:49:33,448 INFO L194 CegarLoopUtils]: At program point L483(line 483) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,448 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2021-05-02 23:49:33,448 INFO L198 CegarLoopUtils]: For program point L6(line 6) no Hoare annotation was computed. [2021-05-02 23:49:33,448 INFO L198 CegarLoopUtils]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2021-05-02 23:49:33,448 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#length)| |#length|) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |#t~string6.base| |old(#t~string6.base)|) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |old(#t~string42.base)| |#t~string42.base|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(#t~string37.base)| |#t~string37.base|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|)) [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point L11(lines 11 14) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2021-05-02 23:49:33,449 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-02 23:49:33,449 INFO L194 CegarLoopUtils]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2021-05-02 23:49:33,450 INFO L194 CegarLoopUtils]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-02 23:49:33,450 INFO L194 CegarLoopUtils]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-02 23:49:33,450 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2021-05-02 23:49:33,450 INFO L194 CegarLoopUtils]: At program point Id_MCDC_117ENTRY(lines 425 444) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L442(line 442) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L430(line 430) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L430-1(line 430) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L433(line 433) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L433-2(lines 433 440) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L431-2(lines 431 441) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2021-05-02 23:49:33,450 INFO L201 CegarLoopUtils]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L194 CegarLoopUtils]: At program point L449(line 449) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,451 INFO L194 CegarLoopUtils]: At program point Id_MCDC_118ENTRY(lines 445 451) 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_132~0)| ~Id_MCDC_132~0)) [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L254(lines 254 257) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L246(line 246) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L242(line 242) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L242-2(line 242) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L234(lines 234 250) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L259(line 259) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L259-2(line 259) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L259-3(line 259) the Hoare annotation is: true [2021-05-02 23:49:33,451 INFO L201 CegarLoopUtils]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L243(line 243) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L239(line 239) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L239-2(line 239) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L227(lines 227 233) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L223(lines 223 226) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L248(line 248) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L240(line 240) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L236(line 236) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L236-2(line 236) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L261(lines 261 266) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L245(line 245) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L245-2(line 245) the Hoare annotation is: true [2021-05-02 23:49:33,452 INFO L201 CegarLoopUtils]: At program point L237(line 237) the Hoare annotation is: true [2021-05-02 23:49:33,453 INFO L201 CegarLoopUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2021-05-02 23:49:33,453 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2021-05-02 23:49:33,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:49:33 BoogieIcfgContainer [2021-05-02 23:49:33,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 23:49:33,468 INFO L168 Benchmark]: Toolchain (without parser) took 6586.43 ms. Allocated memory was 218.1 MB in the beginning and 361.8 MB in the end (delta: 143.7 MB). Free memory was 182.5 MB in the beginning and 261.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 198.3 MB. Max. memory is 8.0 GB. [2021-05-02 23:49:33,468 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 218.1 MB. Free memory is still 200.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 23:49:33,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.20 ms. Allocated memory is still 218.1 MB. Free memory was 182.2 MB in the beginning and 193.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. [2021-05-02 23:49:33,469 INFO L168 Benchmark]: Boogie Preprocessor took 81.00 ms. Allocated memory is still 218.1 MB. Free memory was 193.8 MB in the beginning and 190.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-05-02 23:49:33,469 INFO L168 Benchmark]: RCFGBuilder took 738.46 ms. Allocated memory is still 218.1 MB. Free memory was 190.1 MB in the beginning and 127.2 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2021-05-02 23:49:33,469 INFO L168 Benchmark]: TraceAbstraction took 5243.75 ms. Allocated memory was 218.1 MB in the beginning and 361.8 MB in the end (delta: 143.7 MB). Free memory was 127.2 MB in the beginning and 261.0 MB in the end (delta: -133.8 MB). Peak memory consumption was 143.0 MB. Max. memory is 8.0 GB. [2021-05-02 23:49:33,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 218.1 MB. Free memory is still 200.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 501.20 ms. Allocated memory is still 218.1 MB. Free memory was 182.2 MB in the beginning and 193.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 81.00 ms. Allocated memory is still 218.1 MB. Free memory was 193.8 MB in the beginning and 190.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 738.46 ms. Allocated memory is still 218.1 MB. Free memory was 190.1 MB in the beginning and 127.2 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5243.75 ms. Allocated memory was 218.1 MB in the beginning and 361.8 MB in the end (delta: 143.7 MB). Free memory was 127.2 MB in the beginning and 261.0 MB in the end (delta: -133.8 MB). Peak memory consumption was 143.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2651.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 18.2ms, AutomataDifference: 1698.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2518.3ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 274 SDtfs, 401 SDslu, 166 SDs, 0 SdLazy, 407 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 704.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 839.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 67.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 403 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1231.9ms HoareSimplificationTime, 127 FomulaSimplificationsInter, 10976 FormulaSimplificationTreeSizeReductionInter, 1226.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...