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/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:37:58,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:37:58,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:37:58,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:37:58,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:37:58,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:37:58,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:37:58,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:37:58,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:37:58,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:37:58,500 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:37:58,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:37:58,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:37:58,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:37:58,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:37:58,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:37:58,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:37:58,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:37:58,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:37:58,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:37:58,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:37:58,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:37:58,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:37:58,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:37:58,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:37:58,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:37:58,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:37:58,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:37:58,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:37:58,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:37:58,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:37:58,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:37:58,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:37:58,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:37:58,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:37:58,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:37:58,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:37:58,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:37:58,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:37:58,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:37:58,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:37:58,527 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 [2019-08-08 13:37:58,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:37:58,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:37:58,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:37:58,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:37:58,550 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:37:58,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:37:58,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:37:58,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:37:58,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:37:58,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:37:58,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:37:58,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:37:58,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:37:58,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:37:58,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:37:58,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:37:58,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:37:58,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:37:58,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:37:58,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:37:58,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:37:58,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:37:58,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:37:58,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:37:58,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:37:58,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:37:58,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:37:58,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:37:58,599 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:37:58,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-08 13:37:58,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98fd9510/c415a8c4611d44eeb55ec4f9a6c7b303/FLAGf3f3d9854 [2019-08-08 13:37:59,130 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:37:59,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-08-08 13:37:59,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98fd9510/c415a8c4611d44eeb55ec4f9a6c7b303/FLAGf3f3d9854 [2019-08-08 13:37:59,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98fd9510/c415a8c4611d44eeb55ec4f9a6c7b303 [2019-08-08 13:37:59,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:37:59,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:37:59,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:37:59,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:37:59,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:37:59,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:37:59" (1/1) ... [2019-08-08 13:37:59,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffbd597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:37:59, skipping insertion in model container [2019-08-08 13:37:59,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:37:59" (1/1) ... [2019-08-08 13:37:59,497 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:37:59,572 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:37:59,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:38:00,092 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:38:00,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:38:00,269 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:38:00,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00 WrapperNode [2019-08-08 13:38:00,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:38:00,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:38:00,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:38:00,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:38:00,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (1/1) ... [2019-08-08 13:38:00,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:38:00,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:38:00,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:38:00,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:38:00,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:38:00" (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 [2019-08-08 13:38:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:38:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:38:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:38:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 13:38:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 13:38:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 13:38:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 13:38:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 13:38:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 13:38:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 13:38:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:38:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:38:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:38:02,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:38:02,995 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 13:38:02,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:38:02 BoogieIcfgContainer [2019-08-08 13:38:02,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:38:02,996 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:38:02,997 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:38:02,997 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:38:02,998 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:38:02" (1/1) ... [2019-08-08 13:38:03,008 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 13:38:03,011 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:38:03,025 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:38:03,036 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:38:03,038 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:38:03,139 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 229 [2019-08-08 13:39:48,831 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 13:39:48,831 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 13:39:48,835 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 643990#(and (= 0 (mod main_~assert__arg~3 256)) (= main_~main____CPAchecker_TMP_0~2 ~__tmp_2184_0~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~__tmp_4~0 main_~assert__arg~3) (or (and (= ~__return_2292~0 main_~check__tmp~4) (= main_~main____CPAchecker_TMP_0~3 ~__tmp_2184_0~0) (= main_~main__c1~0 ~__return_2292~0)) (and (= ~__return_2183~0 main_~check__tmp~3) (= main_~main__c1~0 ~__return_2183~0) (or (= ~mode3~0 0) (and (= main_~check__tmp~3 0) (= ~mode3~0 0)))))) [2019-08-08 13:39:48,836 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 13:39:48,843 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 13:39:48,846 INFO L168 Benchmark]: Toolchain (without parser) took 109364.49 ms. Allocated memory was 134.7 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 87.0 MB in the beginning and 755.0 MB in the end (delta: -668.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-08-08 13:39:48,847 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 13:39:48,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.96 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 169.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-08-08 13:39:48,849 INFO L168 Benchmark]: Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-08 13:39:48,850 INFO L168 Benchmark]: RCFGBuilder took 2640.60 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 165.8 MB in the beginning and 166.0 MB in the end (delta: -176.5 kB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-08-08 13:39:48,851 INFO L168 Benchmark]: Symbolic Interpretation took 105847.20 ms. Allocated memory was 228.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 166.0 MB in the beginning and 755.0 MB in the end (delta: -589.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-08-08 13:39:48,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 804]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.96 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 169.7 MB in the end (delta: -82.7 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.95 ms. Allocated memory is still 202.4 MB. Free memory was 169.7 MB in the beginning and 165.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2640.60 ms. Allocated memory was 202.4 MB in the beginning and 228.1 MB in the end (delta: 25.7 MB). Free memory was 165.8 MB in the beginning and 166.0 MB in the end (delta: -176.5 kB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 105847.20 ms. Allocated memory was 228.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 166.0 MB in the beginning and 755.0 MB in the end (delta: -589.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...