/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:54:30,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:54:30,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:54:30,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:54:30,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:54:30,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:54:30,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:54:30,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:54:30,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:54:30,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:54:30,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:54:30,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:54:30,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:54:30,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:54:30,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:54:30,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:54:30,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:54:30,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:54:30,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:54:30,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:54:30,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:54:30,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:54:30,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:54:30,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:54:30,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:54:30,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:54:30,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:54:30,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:54:30,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:54:30,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:54:30,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:54:30,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:54:30,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:54:30,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:54:30,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:54:30,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:54:30,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:54:30,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:54:30,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:54:30,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:54:30,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:54:30,197 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:54:30,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:54:30,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:54:30,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:54:30,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:54:30,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:54:30,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:54:30,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:54:30,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:54:30,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:54:30,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:54:30,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:54:30,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:54:30,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:54:30,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:54:30,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:54:30,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:54:30,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:54:30,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:54:30,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:54:30,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:54:30,202 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-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:54:30,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:54:30,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:54:30,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:54:30,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:54:30,637 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:54:30,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2021-01-06 16:54:30,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d531d53eb/4f4b43ba1fd74f2aa29d27e694ae0551/FLAGbc76b4bec [2021-01-06 16:54:31,634 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:54:31,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2021-01-06 16:54:31,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d531d53eb/4f4b43ba1fd74f2aa29d27e694ae0551/FLAGbc76b4bec [2021-01-06 16:54:31,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d531d53eb/4f4b43ba1fd74f2aa29d27e694ae0551 [2021-01-06 16:54:31,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:54:31,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:54:31,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:54:31,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:54:31,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:54:31,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:54:31" (1/1) ... [2021-01-06 16:54:31,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701de00d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:31, skipping insertion in model container [2021-01-06 16:54:31,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:54:31" (1/1) ... [2021-01-06 16:54:31,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:54:32,032 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__Id_MCDC_112~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_88~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~1,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~2,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~3,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~3,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~4,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~4,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~5,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~5,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~5,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~6,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~6,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~7,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~7,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~8,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_2~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~9,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~9,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~9,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~9,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~10,] [2021-01-06 16:54:32,557 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2021-01-06 16:54:32,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:54:32,627 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__Id_MCDC_112~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_88~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_2~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~1,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_3~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~1,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~1,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~2,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_4~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~2,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~2,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~3,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_5~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~3,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~3,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~4,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_6~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~4,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~4,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~5,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_7~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~5,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~5,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~6,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_8~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~6,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~6,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~7,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_9~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~7,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~7,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~8,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_10~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_2~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~8,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_93~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~9,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_11~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~9,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_0~9,] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89__Id_MCDC_96~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1075_2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~Id_MCDC_89____CPAchecker_TMP_1~9,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__VERIFIER_assert__Id_MCDC_92~10,] [2021-01-06 16:54:32,840 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c[15516,15529] [2021-01-06 16:54:32,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:54:32,877 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:54:32,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32 WrapperNode [2021-01-06 16:54:32,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:54:32,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:54:32,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:54:32,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:54:32,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:32,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:54:33,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:54:33,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:54:33,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:54:33,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... [2021-01-06 16:54:33,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:54:33,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:54:33,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:54:33,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:54:33,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 16:54:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-06 16:54:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-01-06 16:54:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:54:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:54:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:54:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:54:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:54:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:54:34,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:54:34,883 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 16:54:34,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:54:34 BoogieIcfgContainer [2021-01-06 16:54:34,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:54:34,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:54:34,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:54:34,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:54:34,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:54:31" (1/3) ... [2021-01-06 16:54:34,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb171b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:54:34, skipping insertion in model container [2021-01-06 16:54:34,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:54:32" (2/3) ... [2021-01-06 16:54:34,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb171b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:54:34, skipping insertion in model container [2021-01-06 16:54:34,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:54:34" (3/3) ... [2021-01-06 16:54:34,898 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2021-01-06 16:54:34,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:54:34,915 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:54:34,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:54:34,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:54:34,976 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:54:34,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:54:34,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:54:34,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:54:34,977 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:54:34,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:54:34,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:54:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2021-01-06 16:54:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 16:54:35,006 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:54:35,008 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, 1, 1, 1, 1] [2021-01-06 16:54:35,009 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:54:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:54:35,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1997100867, now seen corresponding path program 1 times [2021-01-06 16:54:35,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:54:35,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259966497] [2021-01-06 16:54:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:54:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:54:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:36,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259966497] [2021-01-06 16:54:36,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:54:36,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-01-06 16:54:36,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569804316] [2021-01-06 16:54:36,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-06 16:54:36,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:54:36,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-06 16:54:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-01-06 16:54:36,455 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 15 states. [2021-01-06 16:54:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:54:38,029 INFO L93 Difference]: Finished difference Result 95 states and 129 transitions. [2021-01-06 16:54:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 16:54:38,031 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2021-01-06 16:54:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:54:38,045 INFO L225 Difference]: With dead ends: 95 [2021-01-06 16:54:38,045 INFO L226 Difference]: Without dead ends: 53 [2021-01-06 16:54:38,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2021-01-06 16:54:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-01-06 16:54:38,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2021-01-06 16:54:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-01-06 16:54:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-01-06 16:54:38,101 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 44 [2021-01-06 16:54:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:54:38,102 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-01-06 16:54:38,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-01-06 16:54:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-01-06 16:54:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 16:54:38,105 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:54:38,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:54:38,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:54:38,106 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:54:38,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:54:38,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1678604412, now seen corresponding path program 1 times [2021-01-06 16:54:38,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:54:38,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098520834] [2021-01-06 16:54:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:54:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:54:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:38,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098520834] [2021-01-06 16:54:38,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616900964] [2021-01-06 16:54:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 16:54:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:54:39,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 25 conjunts are in the unsatisfiable core [2021-01-06 16:54:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 16:54:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:39,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 16:54:39,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 17 [2021-01-06 16:54:39,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959228165] [2021-01-06 16:54:39,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-06 16:54:39,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:54:39,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-06 16:54:39,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-01-06 16:54:39,967 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 17 states. [2021-01-06 16:54:41,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:54:41,388 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2021-01-06 16:54:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 16:54:41,389 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2021-01-06 16:54:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:54:41,398 INFO L225 Difference]: With dead ends: 61 [2021-01-06 16:54:41,398 INFO L226 Difference]: Without dead ends: 58 [2021-01-06 16:54:41,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2021-01-06 16:54:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-01-06 16:54:41,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2021-01-06 16:54:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-01-06 16:54:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2021-01-06 16:54:41,424 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 49 [2021-01-06 16:54:41,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:54:41,425 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2021-01-06 16:54:41,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-01-06 16:54:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2021-01-06 16:54:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 16:54:41,434 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:54:41,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:54:41,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-01-06 16:54:41,651 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:54:41,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:54:41,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1430637853, now seen corresponding path program 2 times [2021-01-06 16:54:41,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:54:41,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785390578] [2021-01-06 16:54:41,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:54:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:54:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:42,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785390578] [2021-01-06 16:54:42,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570591080] [2021-01-06 16:54:42,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:54:43,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 16:54:43,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 16:54:43,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 27 conjunts are in the unsatisfiable core [2021-01-06 16:54:43,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 16:54:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:43,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 16:54:43,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 18 [2021-01-06 16:54:43,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404371744] [2021-01-06 16:54:43,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-01-06 16:54:43,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:54:43,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-01-06 16:54:43,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-01-06 16:54:43,461 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 18 states. [2021-01-06 16:54:44,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:54:44,951 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2021-01-06 16:54:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 16:54:44,957 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 54 [2021-01-06 16:54:44,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:54:44,962 INFO L225 Difference]: With dead ends: 66 [2021-01-06 16:54:44,962 INFO L226 Difference]: Without dead ends: 63 [2021-01-06 16:54:44,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2021-01-06 16:54:44,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-01-06 16:54:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-01-06 16:54:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 16:54:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2021-01-06 16:54:44,971 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 54 [2021-01-06 16:54:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:54:44,972 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2021-01-06 16:54:44,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-01-06 16:54:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2021-01-06 16:54:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 16:54:44,974 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:54:44,974 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:54:45,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:54:45,189 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:54:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:54:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash 994778916, now seen corresponding path program 3 times [2021-01-06 16:54:45,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:54:45,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204648562] [2021-01-06 16:54:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:54:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:54:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:54:46,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204648562] [2021-01-06 16:54:46,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829218632] [2021-01-06 16:54:46,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:54:47,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-01-06 16:54:47,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 16:54:47,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 48 conjunts are in the unsatisfiable core [2021-01-06 16:54:47,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 16:54:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 16:54:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 16:54:48,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 16:54:48,800 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 16:54:48,803 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 54 treesize of output 58 [2021-01-06 16:54:48,812 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 16:54:48,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 16:54:48,853 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 16:54:48,853 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:42 [2021-01-06 16:54:49,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 16:54:49,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 16:54:49,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:54:49,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 16:54:49,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:54:49,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:54:49,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 16:54:49,059 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:54:49,062 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:54:49,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 16:54:49,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 16:54:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-01-06 16:54:49,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 16:54:49,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 28 [2021-01-06 16:54:49,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214435851] [2021-01-06 16:54:49,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-06 16:54:49,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:54:49,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-06 16:54:49,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2021-01-06 16:54:49,377 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 28 states. [2021-01-06 16:54:50,088 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2021-01-06 16:54:50,352 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2021-01-06 16:54:50,596 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:50,842 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:51,089 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:51,334 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:51,813 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-01-06 16:54:52,019 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:52,292 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-01-06 16:54:52,483 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:52,735 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-01-06 16:54:52,936 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-01-06 16:54:53,210 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2021-01-06 16:54:53,400 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2021-01-06 16:54:53,859 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-01-06 16:54:54,207 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-01-06 16:54:54,627 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-06 16:54:54,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:54:54,632 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2021-01-06 16:54:54,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 16:54:54,633 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 59 [2021-01-06 16:54:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:54:54,634 INFO L225 Difference]: With dead ends: 71 [2021-01-06 16:54:54,634 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 16:54:54,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=356, Invalid=1900, Unknown=0, NotChecked=0, Total=2256 [2021-01-06 16:54:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 16:54:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 16:54:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 16:54:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 16:54:54,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-01-06 16:54:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:54:54,638 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 16:54:54,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2021-01-06 16:54:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 16:54:54,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 16:54:54,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:54:54,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 16:54:55,090 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-01-06 16:54:55,094 INFO L189 CegarLoopUtils]: For program point L225(lines 225 604) no Hoare annotation was computed. [2021-01-06 16:54:55,094 INFO L189 CegarLoopUtils]: For program point L192(lines 192 622) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L185 CegarLoopUtils]: At program point L448(lines 408 481) the Hoare annotation is: (let ((.cse2 (mod (+ ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296)) (.cse0 (select |#memory_int| |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.base|)) (.cse1 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296))) (and (= |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0) (= (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 240)) 24665) (= (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 328)) 3) (= (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 8)) 3) (< .cse1 42) (= 24665 (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 252))) (= (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0) (< .cse2 42) (not (= (* .cse2 12) 492)) (= (select .cse0 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 488)) 3) (not (= 492 (* .cse1 12))))) [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L184(lines 184 628) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L440(lines 440 453) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L407(lines 407 485) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L374(lines 374 503) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L465(lines 465 473) no Hoare annotation was computed. [2021-01-06 16:54:55,095 INFO L189 CegarLoopUtils]: For program point L366(lines 366 509) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point L234(lines 234 599) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point L251(lines 251 587) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point L218(lines 218 605) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point L210(lines 210 611) no Hoare annotation was computed. [2021-01-06 16:54:55,096 INFO L189 CegarLoopUtils]: For program point L433(lines 433 454) no Hoare annotation was computed. [2021-01-06 16:54:55,097 INFO L189 CegarLoopUtils]: For program point L400(lines 400 486) no Hoare annotation was computed. [2021-01-06 16:54:55,097 INFO L189 CegarLoopUtils]: For program point L425(lines 425 475) no Hoare annotation was computed. [2021-01-06 16:54:55,097 INFO L189 CegarLoopUtils]: For program point L392(lines 392 492) no Hoare annotation was computed. [2021-01-06 16:54:55,097 INFO L189 CegarLoopUtils]: For program point L260(lines 260 582) no Hoare annotation was computed. [2021-01-06 16:54:55,097 INFO L192 CegarLoopUtils]: At program point L632(lines 136 636) the Hoare annotation is: true [2021-01-06 16:54:55,097 INFO L189 CegarLoopUtils]: For program point L277(lines 277 570) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L244(lines 244 588) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L236(lines 236 594) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L286(lines 286 565) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L303(lines 303 553) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L270(lines 270 571) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L262(lines 262 577) no Hoare annotation was computed. [2021-01-06 16:54:55,098 INFO L189 CegarLoopUtils]: For program point L312(lines 312 548) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L329(lines 329 536) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L296(lines 296 554) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L164(lines 164 635) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L288(lines 288 560) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2021-01-06 16:54:55,099 INFO L189 CegarLoopUtils]: For program point L338(lines 338 531) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L355(lines 355 519) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L322(lines 322 537) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L314(lines 314 543) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L182(lines 182 633) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L364(lines 364 514) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L199(lines 199 621) no Hoare annotation was computed. [2021-01-06 16:54:55,100 INFO L189 CegarLoopUtils]: For program point L381(lines 381 502) no Hoare annotation was computed. [2021-01-06 16:54:55,101 INFO L189 CegarLoopUtils]: For program point L348(lines 348 520) no Hoare annotation was computed. [2021-01-06 16:54:55,101 INFO L189 CegarLoopUtils]: For program point L340(lines 340 526) no Hoare annotation was computed. [2021-01-06 16:54:55,101 INFO L189 CegarLoopUtils]: For program point L208(lines 208 616) no Hoare annotation was computed. [2021-01-06 16:54:55,101 INFO L189 CegarLoopUtils]: For program point L423(lines 423 480) no Hoare annotation was computed. [2021-01-06 16:54:55,101 INFO L189 CegarLoopUtils]: For program point L390(lines 390 497) no Hoare annotation was computed. [2021-01-06 16:54:55,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:54:55 BoogieIcfgContainer [2021-01-06 16:54:55,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:54:55,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:54:55,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:54:55,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:54:55,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:54:34" (3/4) ... [2021-01-06 16:54:55,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 16:54:55,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-01-06 16:54:55,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 16:54:55,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 16:54:55,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 16:54:55,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:54:55,606 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c-witness.graphml [2021-01-06 16:54:55,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:54:55,608 INFO L168 Benchmark]: Toolchain (without parser) took 23711.51 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 125.9 MB in the beginning and 188.9 MB in the end (delta: -63.0 MB). Peak memory consumption was 133.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,609 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:54:55,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 976.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.12 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,610 INFO L168 Benchmark]: Boogie Preprocessor took 193.67 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 128.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,610 INFO L168 Benchmark]: RCFGBuilder took 1667.09 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 111.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,611 INFO L168 Benchmark]: TraceAbstraction took 20238.86 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 110.5 MB in the beginning and 137.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,611 INFO L168 Benchmark]: Witness Printer took 478.14 ms. Allocated memory is still 228.6 MB. Free memory was 137.5 MB in the beginning and 188.9 MB in the end (delta: -51.3 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:54:55,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 976.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 143.12 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 193.67 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 128.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1667.09 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 111.1 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20238.86 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 110.5 MB in the beginning and 137.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. * Witness Printer took 478.14 ms. Allocated memory is still 228.6 MB. Free memory was 137.5 MB in the beginning and 188.9 MB in the end (delta: -51.3 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((((((((Id_MCDC_89__Id_MCDC_95 == 0 && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 240] == 24665) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 328] == 3) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 8] == 3) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && 24665 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 252]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && !((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 * 12 == 492)) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 488] == 3) && !(492 == (Id_MCDC_93 + 4294967295) % 4294967296 * 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 393 SDslu, 1290 SDs, 0 SdLazy, 2388 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 152 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 19 NumberOfFragments, 93 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 471 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 368 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 278627 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2125 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 13/76 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...