/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:46:38,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:46:38,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:46:38,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:46:38,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:46:38,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:46:38,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:46:38,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:46:38,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:46:38,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:46:38,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:46:38,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:46:38,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:46:38,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:46:38,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:46:38,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:46:38,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:46:38,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:46:38,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:46:38,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:46:38,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:46:38,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:46:38,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:46:38,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:46:38,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:46:38,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:46:38,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:46:38,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:46:38,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:46:38,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:46:38,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:46:38,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:46:38,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:46:38,797 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:46:38,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:46:38,798 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:46:38,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:46:38,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:46:38,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:46:38,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:46:38,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:46:38,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:46:38,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:46:38,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:46:38,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:46:38,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:46:38,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:46:38,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:46:38,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:46:38,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:46:38,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:46:38,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:46:38,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:46:38,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:46:38,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:46:38,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:46:38,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:46:38,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:46:38,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:46:39,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:46:39,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:46:39,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:46:39,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:46:39,183 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:46:39,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-11-06 22:46:39,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c690541/4e5bfe0059c84275b0caae3de1b0e058/FLAG5050870c9 [2020-11-06 22:46:39,873 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:46:39,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-11-06 22:46:39,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c690541/4e5bfe0059c84275b0caae3de1b0e058/FLAG5050870c9 [2020-11-06 22:46:40,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c690541/4e5bfe0059c84275b0caae3de1b0e058 [2020-11-06 22:46:40,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:46:40,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:46:40,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:40,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:46:40,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:46:40,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ea8a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40, skipping insertion in model container [2020-11-06 22:46:40,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:46:40,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:46:40,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:40,573 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:46:40,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:40,697 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:46:40,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40 WrapperNode [2020-11-06 22:46:40,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:40,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:46:40,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:46:40,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:46:40,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (1/1) ... [2020-11-06 22:46:40,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:46:40,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:46:40,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:46:40,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:46:40,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (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 [2020-11-06 22:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-11-06 22:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-11-06 22:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-11-06 22:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-11-06 22:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-11-06 22:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-06 22:46:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-11-06 22:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-11-06 22:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-11-06 22:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-11-06 22:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-11-06 22:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-11-06 22:46:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:46:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:46:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 22:46:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:46:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:46:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-06 22:46:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:46:41,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:46:41,899 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-06 22:46:41,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:41 BoogieIcfgContainer [2020-11-06 22:46:41,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:46:41,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:46:41,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:46:41,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:46:41,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:40" (1/3) ... [2020-11-06 22:46:41,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c50729d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:41, skipping insertion in model container [2020-11-06 22:46:41,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:40" (2/3) ... [2020-11-06 22:46:41,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c50729d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:41, skipping insertion in model container [2020-11-06 22:46:41,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:41" (3/3) ... [2020-11-06 22:46:41,910 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-11-06 22:46:41,925 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:46:41,929 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:46:41,941 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:46:41,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:46:41,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:46:41,970 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:46:41,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:46:41,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:46:41,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:46:41,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:46:41,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:46:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-11-06 22:46:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-06 22:46:42,002 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:42,003 INFO L422 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] [2020-11-06 22:46:42,004 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:42,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:42,010 INFO L82 PathProgramCache]: Analyzing trace with hash 796062378, now seen corresponding path program 1 times [2020-11-06 22:46:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:42,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126279674] [2020-11-06 22:46:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:42,559 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-11-06 22:46:42,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-11-06 22:46:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:42,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-06 22:46:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:42,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126279674] [2020-11-06 22:46:42,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:42,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:46:42,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619211839] [2020-11-06 22:46:42,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:46:42,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:42,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:46:42,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:46:42,668 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2020-11-06 22:46:42,851 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-11-06 22:46:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:43,520 INFO L93 Difference]: Finished difference Result 248 states and 369 transitions. [2020-11-06 22:46:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:46:43,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-11-06 22:46:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:43,533 INFO L225 Difference]: With dead ends: 248 [2020-11-06 22:46:43,534 INFO L226 Difference]: Without dead ends: 120 [2020-11-06 22:46:43,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:43,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-06 22:46:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-11-06 22:46:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-06 22:46:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2020-11-06 22:46:43,605 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 40 [2020-11-06 22:46:43,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:43,605 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2020-11-06 22:46:43,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:46:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2020-11-06 22:46:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-06 22:46:43,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:43,609 INFO L422 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] [2020-11-06 22:46:43,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:46:43,610 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:43,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1476120748, now seen corresponding path program 1 times [2020-11-06 22:46:43,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:43,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450906420] [2020-11-06 22:46:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:43,652 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-06 22:46:43,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949506420] [2020-11-06 22:46:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:46:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:43,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-06 22:46:43,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:46:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:43,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450906420] [2020-11-06 22:46:43,954 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-06 22:46:43,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949506420] [2020-11-06 22:46:43,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:43,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:46:43,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355565695] [2020-11-06 22:46:43,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:46:43,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:43,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:46:43,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:46:43,962 INFO L87 Difference]: Start difference. First operand 120 states and 166 transitions. Second operand 4 states. [2020-11-06 22:46:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:44,007 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2020-11-06 22:46:44,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:46:44,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-11-06 22:46:44,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:44,008 INFO L225 Difference]: With dead ends: 120 [2020-11-06 22:46:44,009 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:46:44,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:46:44,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:46:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:46:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:46:44,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-11-06 22:46:44,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:44,012 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:46:44,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:46:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:46:44,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:46:44,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-06 22:46:44,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:46:44,924 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-11-06 22:46:45,061 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 16 [2020-11-06 22:46:45,202 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-11-06 22:46:45,335 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-11-06 22:46:45,616 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-11-06 22:46:45,994 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-11-06 22:46:46,122 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2020-11-06 22:46:46,162 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:46:46,163 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:46:46,163 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:46:46,163 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:46:46,163 INFO L266 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2020-11-06 22:46:46,163 INFO L266 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2020-11-06 22:46:46,164 INFO L262 CegarLoopResult]: 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)) [2020-11-06 22:46:46,164 INFO L262 CegarLoopResult]: 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)) [2020-11-06 22:46:46,164 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:46:46,164 INFO L269 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-11-06 22:46:46,164 INFO L266 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-11-06 22:46:46,165 INFO L262 CegarLoopResult]: 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)) [2020-11-06 22:46:46,165 INFO L266 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2020-11-06 22:46:46,165 INFO L266 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-06 22:46:46,165 INFO L266 CegarLoopResult]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2020-11-06 22:46:46,165 INFO L266 CegarLoopResult]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2020-11-06 22:46:46,165 INFO L269 CegarLoopResult]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2020-11-06 22:46:46,166 INFO L269 CegarLoopResult]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2020-11-06 22:46:46,166 INFO L266 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2020-11-06 22:46:46,166 INFO L266 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-11-06 22:46:46,166 INFO L266 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-11-06 22:46:46,166 INFO L266 CegarLoopResult]: For program point L217-2(line 217) no Hoare annotation was computed. [2020-11-06 22:46:46,166 INFO L269 CegarLoopResult]: At program point L209(lines 209 225) the Hoare annotation is: true [2020-11-06 22:46:46,167 INFO L269 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point L234-2(line 234) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point L234-3(line 234) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L266 CegarLoopResult]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2020-11-06 22:46:46,167 INFO L269 CegarLoopResult]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L214-2(line 214) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L202(lines 202 208) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2020-11-06 22:46:46,168 INFO L266 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L198(lines 198 201) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L236(lines 236 241) no Hoare annotation was computed. [2020-11-06 22:46:46,169 INFO L266 CegarLoopResult]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L266 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L266 CegarLoopResult]: For program point L220-2(line 220) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L266 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L266 CegarLoopResult]: For program point L204(lines 204 207) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L266 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-06 22:46:46,170 INFO L262 CegarLoopResult]: 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)) [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2020-11-06 22:46:46,171 INFO L262 CegarLoopResult]: 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)) [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point L452(lines 452 455) no Hoare annotation was computed. [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-11-06 22:46:46,171 INFO L266 CegarLoopResult]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2020-11-06 22:46:46,172 INFO L266 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2020-11-06 22:46:46,172 INFO L269 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: true [2020-11-06 22:46:46,172 INFO L266 CegarLoopResult]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2020-11-06 22:46:46,172 INFO L262 CegarLoopResult]: 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|)) [2020-11-06 22:46:46,172 INFO L266 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2020-11-06 22:46:46,172 INFO L266 CegarLoopResult]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2020-11-06 22:46:46,172 INFO L269 CegarLoopResult]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2020-11-06 22:46:46,173 INFO L269 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: true [2020-11-06 22:46:46,173 INFO L266 CegarLoopResult]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2020-11-06 22:46:46,173 INFO L266 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2020-11-06 22:46:46,173 INFO L269 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-11-06 22:46:46,173 INFO L266 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-11-06 22:46:46,173 INFO L266 CegarLoopResult]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2020-11-06 22:46:46,173 INFO L269 CegarLoopResult]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2020-11-06 22:46:46,174 INFO L266 CegarLoopResult]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2020-11-06 22:46:46,174 INFO L266 CegarLoopResult]: For program point L389(lines 389 392) no Hoare annotation was computed. [2020-11-06 22:46:46,174 INFO L266 CegarLoopResult]: For program point L356(lines 356 397) no Hoare annotation was computed. [2020-11-06 22:46:46,174 INFO L266 CegarLoopResult]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2020-11-06 22:46:46,174 INFO L269 CegarLoopResult]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2020-11-06 22:46:46,174 INFO L266 CegarLoopResult]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L269 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L269 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: true [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L288(lines 288 295) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2020-11-06 22:46:46,175 INFO L266 CegarLoopResult]: For program point L284(lines 284 287) no Hoare annotation was computed. [2020-11-06 22:46:46,176 INFO L269 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2020-11-06 22:46:46,176 INFO L266 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2020-11-06 22:46:46,176 INFO L269 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: true [2020-11-06 22:46:46,176 INFO L269 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-11-06 22:46:46,176 INFO L266 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-11-06 22:46:46,176 INFO L266 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-11-06 22:46:46,176 INFO L269 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: true [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L318(lines 318 323) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L316-2(line 316) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L316-3(line 316) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2020-11-06 22:46:46,177 INFO L266 CegarLoopResult]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2020-11-06 22:46:46,178 INFO L269 CegarLoopResult]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2020-11-06 22:46:46,178 INFO L266 CegarLoopResult]: For program point L304(lines 304 307) no Hoare annotation was computed. [2020-11-06 22:46:46,178 INFO L266 CegarLoopResult]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2020-11-06 22:46:46,178 INFO L266 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2020-11-06 22:46:46,178 INFO L266 CegarLoopResult]: For program point L311(lines 311 314) no Hoare annotation was computed. [2020-11-06 22:46:46,178 INFO L269 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2020-11-06 22:46:46,178 INFO L266 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2020-11-06 22:46:46,179 INFO L266 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2020-11-06 22:46:46,179 INFO L266 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2020-11-06 22:46:46,179 INFO L266 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-11-06 22:46:46,179 INFO L266 CegarLoopResult]: For program point L255(lines 255 269) no Hoare annotation was computed. [2020-11-06 22:46:46,179 INFO L269 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2020-11-06 22:46:46,179 INFO L269 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: true [2020-11-06 22:46:46,179 INFO L266 CegarLoopResult]: For program point L274-1(line 274) no Hoare annotation was computed. [2020-11-06 22:46:46,180 INFO L269 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: true [2020-11-06 22:46:46,180 INFO L266 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-11-06 22:46:46,180 INFO L266 CegarLoopResult]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2020-11-06 22:46:46,180 INFO L266 CegarLoopResult]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2020-11-06 22:46:46,180 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:46,181 INFO L262 CegarLoopResult]: 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)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= ~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|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |old(#t~string42.base)| |#t~string42.base|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |old(#t~string37.base)| |#t~string37.base|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#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~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_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.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)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 22:46:46,181 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:46,181 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:46,181 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:46:46,181 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:46:46,181 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:46,181 INFO L266 CegarLoopResult]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2020-11-06 22:46:46,182 INFO L266 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-11-06 22:46:46,182 INFO L266 CegarLoopResult]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2020-11-06 22:46:46,182 INFO L269 CegarLoopResult]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2020-11-06 22:46:46,182 INFO L262 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2020-11-06 22:46:46,182 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2020-11-06 22:46:46,182 INFO L266 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-11-06 22:46:46,182 INFO L266 CegarLoopResult]: For program point L461(lines 461 464) no Hoare annotation was computed. [2020-11-06 22:46:46,183 INFO L266 CegarLoopResult]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2020-11-06 22:46:46,183 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2020-11-06 22:46:46,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:46 BoogieIcfgContainer [2020-11-06 22:46:46,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:46:46,195 INFO L168 Benchmark]: Toolchain (without parser) took 6000.02 ms. Allocated memory was 160.4 MB in the beginning and 250.6 MB in the end (delta: 90.2 MB). Free memory was 134.6 MB in the beginning and 108.7 MB in the end (delta: 26.0 MB). Peak memory consumption was 121.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:46,195 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:46:46,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.95 ms. Allocated memory is still 160.4 MB. Free memory was 134.0 MB in the beginning and 116.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:46,197 INFO L168 Benchmark]: Boogie Preprocessor took 109.96 ms. Allocated memory is still 160.4 MB. Free memory was 116.6 MB in the beginning and 112.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:46,198 INFO L168 Benchmark]: RCFGBuilder took 1090.60 ms. Allocated memory is still 160.4 MB. Free memory was 112.9 MB in the beginning and 87.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:46,199 INFO L168 Benchmark]: TraceAbstraction took 4290.13 ms. Allocated memory was 160.4 MB in the beginning and 250.6 MB in the end (delta: 90.2 MB). Free memory was 86.6 MB in the beginning and 108.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:46,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 498.95 ms. Allocated memory is still 160.4 MB. Free memory was 134.0 MB in the beginning and 116.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.96 ms. Allocated memory is still 160.4 MB. Free memory was 116.6 MB in the beginning and 112.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1090.60 ms. Allocated memory is still 160.4 MB. Free memory was 112.9 MB in the beginning and 87.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4290.13 ms. Allocated memory was 160.4 MB in the beginning and 250.6 MB in the end (delta: 90.2 MB). Free memory was 86.6 MB in the beginning and 108.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 209 SDslu, 346 SDs, 0 SdLazy, 112 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 80 PreInvPairs, 95 NumberOfFragments, 270 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 36 FomulaSimplificationsInter, 2612 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 8697 SizeOfPredicates, 2 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...