java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:21:33,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:21:33,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:21:33,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:21:33,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:21:33,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:21:33,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:21:33,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:21:33,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:21:33,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:21:33,189 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:21:33,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:21:33,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:21:33,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:21:33,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:21:33,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:21:33,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:21:33,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:21:33,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:21:33,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:21:33,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:21:33,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:21:33,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:21:33,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:21:33,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:21:33,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:21:33,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:21:33,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:21:33,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:21:33,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:21:33,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:21:33,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:21:33,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:21:33,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:21:33,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:21:33,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:21:33,215 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 [2019-08-18 07:21:33,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:21:33,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:21:33,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:21:33,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:21:33,236 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:21:33,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:21:33,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:21:33,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:21:33,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:21:33,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:21:33,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:21:33,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:21:33,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:21:33,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:21:33,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:21:33,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:21:33,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:21:33,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:21:33,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:21:33,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:21:33,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:21:33,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:21:33,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:21:33,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:21:33,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:21:33,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:21:33,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:21:33,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:21:33,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:21:33,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:21:33,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:21:33,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:21:33,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:21:33,312 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:21:33,313 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-08-18 07:21:33,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1dca1e2/b3afbd8a434e4d33b3a901124b3650de/FLAG20cc591a5 [2019-08-18 07:21:33,825 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:21:33,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-08-18 07:21:33,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1dca1e2/b3afbd8a434e4d33b3a901124b3650de/FLAG20cc591a5 [2019-08-18 07:21:34,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1dca1e2/b3afbd8a434e4d33b3a901124b3650de [2019-08-18 07:21:34,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:21:34,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:21:34,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:34,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:21:34,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:21:34,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542e2acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34, skipping insertion in model container [2019-08-18 07:21:34,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:21:34,226 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:21:34,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:34,417 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:21:34,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:34,451 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:21:34,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34 WrapperNode [2019-08-18 07:21:34,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:34,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:21:34,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:21:34,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:21:34,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:21:34,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:21:34,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:21:34,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:21:34,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:34" (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 [2019-08-18 07:21:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:21:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:21:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:21:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:21:34,884 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:21:34,885 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 07:21:34,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:34 BoogieIcfgContainer [2019-08-18 07:21:34,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:21:34,887 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:21:34,887 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:21:34,888 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:21:34,889 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:34" (1/1) ... [2019-08-18 07:21:34,914 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-18 07:21:34,927 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:21:34,935 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:21:34,942 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:21:34,943 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:21:34,991 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 8 [2019-08-18 07:21:35,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:35,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:35,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:21:35,120 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:21:35,120 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:21:35,123 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONERROR_FUNCTION has predicate 72#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)) [2019-08-18 07:21:35,123 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 19#(and (= |old(~__return_100~0)| 0) (<= 0 (+ main_~main__nlen~0 2147483648)) (= 0 main_~main__j~0) (<= main_~main__nlen~0 2147483647) (< main_~main__i~0 main_~main__nlen~0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__return_100~0)| ~__return_100~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 main_~main__i~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_1~0)) [2019-08-18 07:21:35,124 INFO L179 IcfgInterpreter]: Location mainErr2ASSERT_VIOLATIONERROR_FUNCTION has predicate 68#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (or (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (and (= main_~__tmp_2~0 0) (not (< 0 (+ main_~main__i~0 1))))) (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-08-18 07:21:35,142 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:21:35,142 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:21:35,145 INFO L168 Benchmark]: Toolchain (without parser) took 963.79 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 151.6 MB in the end (delta: -65.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:21:35,146 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:21:35,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.28 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:35,148 INFO L168 Benchmark]: Boogie Preprocessor took 135.83 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.6 MB in the beginning and 175.8 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:35,149 INFO L168 Benchmark]: RCFGBuilder took 298.58 ms. Allocated memory is still 198.2 MB. Free memory was 175.8 MB in the beginning and 162.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:35,150 INFO L168 Benchmark]: Symbolic Interpretation took 255.44 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 151.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:35,154 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 43]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 72#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 68#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (or (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (and (= main_~__tmp_2~0 0) (not (< 0 (+ main_~main__i~0 1))))) (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.28 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.83 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.6 MB in the beginning and 175.8 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.58 ms. Allocated memory is still 198.2 MB. Free memory was 175.8 MB in the beginning and 162.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 255.44 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 151.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...