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/ldv-regression/test_union_cast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:44:17,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:44:17,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:44:17,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:44:17,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:44:17,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:44:17,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:44:17,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:44:17,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:44:17,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:44:17,510 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:44:17,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:44:17,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:44:17,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:44:17,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:44:17,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:44:17,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:44:17,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:44:17,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:44:17,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:44:17,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:44:17,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:44:17,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:44:17,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:44:17,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:44:17,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:44:17,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:44:17,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:44:17,542 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 11:44:17,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:44:17,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:44:17,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:44:17,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:44:17,558 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:44:17,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:44:17,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:44:17,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:44:17,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:44:17,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:44:17,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:44:17,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:44:17,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:44:17,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:44:17,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:44:17,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:44:17,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:44:17,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:44:17,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:44:17,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:44:17,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:44:17,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:44:17,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:44:17,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:44:17,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:44:17,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:44:17,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:44:17,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:44:17,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:44:17,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:44:17,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:44:17,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:44:17,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:44:17,611 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:44:17,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast.i [2019-08-08 11:44:17,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b26a26c/8ba41dd4ed234e24860597ecdd71273d/FLAGf8ef2331a [2019-08-08 11:44:18,119 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:44:18,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast.i [2019-08-08 11:44:18,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b26a26c/8ba41dd4ed234e24860597ecdd71273d/FLAGf8ef2331a [2019-08-08 11:44:18,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b26a26c/8ba41dd4ed234e24860597ecdd71273d [2019-08-08 11:44:18,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:44:18,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:44:18,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:44:18,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:44:18,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:44:18,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed34ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18, skipping insertion in model container [2019-08-08 11:44:18,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:44:18,588 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:44:18,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:44:18,801 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:44:18,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:44:18,840 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:44:18,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18 WrapperNode [2019-08-08 11:44:18,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:44:18,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:44:18,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:44:18,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:44:18,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (1/1) ... [2019-08-08 11:44:18,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:44:18,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:44:18,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:44:18,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:44:18,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:44:18" (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 11:44:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:44:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:44:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-08 11:44:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:44:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:44:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-08 11:44:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:44:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 11:44:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:44:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-08 11:44:19,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:44:19,252 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:44:19,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:44:19 BoogieIcfgContainer [2019-08-08 11:44:19,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:44:19,254 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:44:19,254 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:44:19,254 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:44:19,255 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:44:19" (1/1) ... [2019-08-08 11:44:19,264 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:44:19,266 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:44:19,272 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:44:19,284 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:44:19,286 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:44:19,330 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 22 [2019-08-08 11:44:19,345 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 58 [2019-08-08 11:44:19,348 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:44:19,348 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:44:19,351 INFO L179 IcfgInterpreter]: Location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 14#(and (= 0 |#NULL.base|) (exists ((|v_old(#valid)_BEFORE_CALL_1| (Array Int Int)) (|v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| Int) (|v_old(#memory_real)_BEFORE_CALL_1| (Array Int (Array Int Real))) (|v_old(#memory_int)_BEFORE_CALL_1| (Array Int (Array Int Int))) (|v_old(#length)_BEFORE_CALL_1| (Array Int Int))) (and (not (= 0 |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|)) (< |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (exists ((|v_#memory_int_6| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_6| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| (store (select |v_#memory_int_6| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0 10)) |#memory_int|) (= |v_#memory_int_6| (store |v_old(#memory_int)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| (store (select |v_old(#memory_int)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0 (select (select |v_#memory_int_6| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0)))))) (= |#length| (store |v_old(#length)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| 8)) (exists ((|v_#valid_11| (Array Int Int))) (= (store |v_#valid_11| 0 0) |v_old(#valid)_BEFORE_CALL_1|)) (= |#valid| (store |v_old(#valid)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| 1)) (not (= (mod (select (select |#memory_int| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0) 4294967296) 10)) (= (select |v_old(#valid)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0) (= |#memory_real| (store |v_old(#memory_real)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1| (store (select |v_old(#memory_real)_BEFORE_CALL_1| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0 (select (select |#memory_real| |v_main_~#llvm_cbe_var~0.base_BEFORE_CALL_1|) 0)))))) (= |#NULL.offset| 0)) [2019-08-08 11:44:19,352 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:44:19,359 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:44:19,362 INFO L168 Benchmark]: Toolchain (without parser) took 808.85 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 87.5 MB in the beginning and 158.8 MB in the end (delta: -71.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:44:19,363 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:44:19,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.51 ms. Allocated memory is still 138.4 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:44:19,365 INFO L168 Benchmark]: Boogie Preprocessor took 129.23 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 77.8 MB in the beginning and 176.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:44:19,366 INFO L168 Benchmark]: RCFGBuilder took 282.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 164.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:44:19,367 INFO L168 Benchmark]: Symbolic Interpretation took 104.79 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 158.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:44:19,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.51 ms. Allocated memory is still 138.4 MB. Free memory was 87.3 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.23 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 77.8 MB in the beginning and 176.3 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.30 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 164.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 104.79 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 158.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...