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/array-crafted/zero_sum_const5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:46:27,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:46:27,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:46:27,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:46:27,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:46:27,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:46:27,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:46:27,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:46:27,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:46:27,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:46:27,357 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:46:27,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:46:27,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:46:27,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:46:27,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:46:27,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:46:27,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:46:27,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:46:27,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:46:27,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:46:27,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:46:27,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:46:27,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:46:27,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:46:27,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 09:46:27,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 09:46:27,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 09:46:27,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 09:46:27,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 09:46:27,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 09:46:27,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:46:27,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:46:27,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:46:27,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:46:27,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:46:27,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:46:27,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:46:27,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:46:27,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:46:27,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:46:27,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:46:27,391 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 09:46:27,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:46:27,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:46:27,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:46:27,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:46:27,417 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:46:27,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:46:27,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:46:27,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:46:27,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:46:27,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:46:27,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:46:27,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:46:27,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:46:27,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:46:27,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:46:27,420 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:46:27,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:46:27,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:46:27,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:46:27,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:46:27,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:46:27,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:46:27,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:46:27,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:46:27,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:46:27,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:46:27,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:46:27,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:46:27,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:46:27,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:46:27,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:46:27,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:46:27,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:46:27,493 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:46:27,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-08-08 09:46:27,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3761e87/5f9ceda835ec42e59dd5fbd9f6be4302/FLAGa9328d2a1 [2019-08-08 09:46:28,041 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:46:28,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_const5.c [2019-08-08 09:46:28,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3761e87/5f9ceda835ec42e59dd5fbd9f6be4302/FLAGa9328d2a1 [2019-08-08 09:46:28,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3761e87/5f9ceda835ec42e59dd5fbd9f6be4302 [2019-08-08 09:46:28,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:46:28,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:46:28,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:46:28,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:46:28,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:46:28,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7300415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28, skipping insertion in model container [2019-08-08 09:46:28,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,448 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:46:28,466 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:46:28,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:46:28,643 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:46:28,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:46:28,694 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:46:28,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28 WrapperNode [2019-08-08 09:46:28,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:46:28,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:46:28,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:46:28,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:46:28,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (1/1) ... [2019-08-08 09:46:28,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:46:28,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:46:28,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:46:28,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:46:28,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:46:28" (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 09:46:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:46:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:46:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 09:46:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-08 09:46:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 09:46:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 09:46:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:46:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:46:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 09:46:29,448 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:46:29,449 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-08 09:46:29,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:46:29 BoogieIcfgContainer [2019-08-08 09:46:29,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:46:29,451 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:46:29,451 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:46:29,451 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:46:29,452 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:46:29" (1/1) ... [2019-08-08 09:46:29,464 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:46:29,466 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:46:29,473 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:46:29,479 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:46:29,481 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:46:29,528 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 26 [2019-08-08 09:46:30,558 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 [2019-08-08 09:46:30,561 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:46:30,562 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:46:30,565 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 882#(and (exists ((v_main_~i~0_BEFORE_CALL_1 Int)) (and (not (< v_main_~i~0_BEFORE_CALL_1 ~SIZE~0)) (or (< v_main_~i~0_BEFORE_CALL_1 (+ ~SIZE~0 1)) (and (= v_main_~i~0_BEFORE_CALL_1 0) (exists ((v_main_~i~0_199 Int)) (and (or (< v_main_~i~0_199 (+ ~SIZE~0 1)) (and (= 0 v_main_~i~0_199) (exists ((v_main_~i~0_198 Int)) (not (< v_main_~i~0_198 ~SIZE~0))))) (not (< v_main_~i~0_199 ~SIZE~0)))))))) (exists ((v_main_~sum~0_BEFORE_CALL_1 Int)) (= |__VERIFIER_assert_#in~cond| (ite (= 0 v_main_~sum~0_BEFORE_CALL_1) 1 0))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 09:46:30,566 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:46:30,574 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:46:30,578 INFO L168 Benchmark]: Toolchain (without parser) took 2146.56 ms. Allocated memory was 131.1 MB in the beginning and 196.6 MB in the end (delta: 65.5 MB). Free memory was 87.1 MB in the beginning and 104.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,580 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.15 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 76.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,584 INFO L168 Benchmark]: Boogie Preprocessor took 143.62 ms. Allocated memory was 131.1 MB in the beginning and 196.6 MB in the end (delta: 65.5 MB). Free memory was 76.0 MB in the beginning and 172.1 MB in the end (delta: -96.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,586 INFO L168 Benchmark]: RCFGBuilder took 610.14 ms. Allocated memory is still 196.6 MB. Free memory was 172.1 MB in the beginning and 150.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,587 INFO L168 Benchmark]: Symbolic Interpretation took 1124.19 ms. Allocated memory is still 196.6 MB. Free memory was 150.7 MB in the beginning and 104.9 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-08-08 09:46:30,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 0.42 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.15 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 76.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.62 ms. Allocated memory was 131.1 MB in the beginning and 196.6 MB in the end (delta: 65.5 MB). Free memory was 76.0 MB in the beginning and 172.1 MB in the end (delta: -96.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 610.14 ms. Allocated memory is still 196.6 MB. Free memory was 172.1 MB in the beginning and 150.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1124.19 ms. Allocated memory is still 196.6 MB. Free memory was 150.7 MB in the beginning and 104.9 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...