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/systemc/toy2.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 12:43:03,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 12:43:03,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 12:43:03,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 12:43:03,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 12:43:03,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 12:43:03,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 12:43:03,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 12:43:03,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 12:43:03,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 12:43:03,725 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 12:43:03,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 12:43:03,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 12:43:03,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 12:43:03,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 12:43:03,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 12:43:03,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 12:43:03,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 12:43:03,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 12:43:03,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 12:43:03,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 12:43:03,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 12:43:03,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 12:43:03,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 12:43:03,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 12:43:03,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 12:43:03,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 12:43:03,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 12:43:03,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 12:43:03,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 12:43:03,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 12:43:03,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 12:43:03,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 12:43:03,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 12:43:03,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 12:43:03,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 12:43:03,750 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 12:43:03,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 12:43:03,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 12:43:03,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 12:43:03,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 12:43:03,765 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 12:43:03,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 12:43:03,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 12:43:03,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 12:43:03,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 12:43:03,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 12:43:03,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 12:43:03,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 12:43:03,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 12:43:03,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 12:43:03,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 12:43:03,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 12:43:03,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 12:43:03,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 12:43:03,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 12:43:03,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 12:43:03,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 12:43:03,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 12:43:03,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 12:43:03,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 12:43:03,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 12:43:03,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 12:43:03,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 12:43:03,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 12:43:03,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 12:43:03,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 12:43:03,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 12:43:03,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 12:43:03,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 12:43:03,822 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 12:43:03,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy2.cil.c [2019-08-08 12:43:03,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0d1fca9/beadaeb69178490eb354e8acb74dbb66/FLAGc2300c7f3 [2019-08-08 12:43:04,370 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 12:43:04,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy2.cil.c [2019-08-08 12:43:04,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0d1fca9/beadaeb69178490eb354e8acb74dbb66/FLAGc2300c7f3 [2019-08-08 12:43:04,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b0d1fca9/beadaeb69178490eb354e8acb74dbb66 [2019-08-08 12:43:04,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 12:43:04,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 12:43:04,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 12:43:04,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 12:43:04,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 12:43:04,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:43:04" (1/1) ... [2019-08-08 12:43:04,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36788f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:04, skipping insertion in model container [2019-08-08 12:43:04,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:43:04" (1/1) ... [2019-08-08 12:43:04,746 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 12:43:04,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 12:43:05,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:43:05,006 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 12:43:05,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:43:05,177 INFO L192 MainTranslator]: Completed translation [2019-08-08 12:43:05,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05 WrapperNode [2019-08-08 12:43:05,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 12:43:05,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 12:43:05,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 12:43:05,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 12:43:05,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (1/1) ... [2019-08-08 12:43:05,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 12:43:05,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 12:43:05,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 12:43:05,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 12:43:05,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:43:05" (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 12:43:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 12:43:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 12:43:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-08-08 12:43:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-08-08 12:43:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-08-08 12:43:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-08-08 12:43:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-08-08 12:43:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-08-08 12:43:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-08 12:43:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-08-08 12:43:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 12:43:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 12:43:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 12:43:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-08-08 12:43:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-08-08 12:43:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-08-08 12:43:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-08-08 12:43:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-08-08 12:43:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 12:43:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-08 12:43:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-08-08 12:43:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 12:43:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 12:43:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 12:43:06,517 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 12:43:06,518 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-08 12:43:06,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:43:06 BoogieIcfgContainer [2019-08-08 12:43:06,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 12:43:06,520 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 12:43:06,520 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 12:43:06,520 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 12:43:06,521 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:43:06" (1/1) ... [2019-08-08 12:43:06,533 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 12:43:06,535 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 12:43:06,545 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 12:43:06,553 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 12:43:06,554 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 12:43:06,616 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 112 [2019-08-08 12:43:06,631 INFO L185 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 104 [2019-08-08 12:43:11,231 INFO L185 IcfgInterpreter]: Interpreting procedure eval with input of size 58 [2019-08-08 12:43:11,466 INFO L185 IcfgInterpreter]: Interpreting procedure write_loop with input of size 41 [2019-08-08 12:43:11,468 INFO L185 IcfgInterpreter]: Interpreting procedure error with input of size 25 [2019-08-08 12:43:11,469 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 12:43:11,469 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 12:43:11,473 INFO L179 IcfgInterpreter]: Location errorErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 14447#(and (not (= 0 ~wl_pc~0)) (= 2 ~wl_pc~0) (exists ((v_eval_~tmp~0_BEFORE_CALL_1 Int)) (and (not (= 0 v_eval_~tmp~0_BEFORE_CALL_1)) (<= 0 (+ v_eval_~tmp~0_BEFORE_CALL_1 2147483648)) (<= v_eval_~tmp~0_BEFORE_CALL_1 2147483647))) (= 1 ~wl_st~0) (not (= ~d~0 (+ ~t_b~0 1)))) [2019-08-08 12:43:11,474 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 12:43:11,484 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 12:43:11,488 INFO L168 Benchmark]: Toolchain (without parser) took 6757.90 ms. Allocated memory was 140.0 MB in the beginning and 391.6 MB in the end (delta: 251.7 MB). Free memory was 86.9 MB in the beginning and 135.6 MB in the end (delta: -48.8 MB). Peak memory consumption was 206.2 MB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,489 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.88 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.7 MB in the beginning and 178.3 MB in the end (delta: -91.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,492 INFO L168 Benchmark]: Boogie Preprocessor took 61.01 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 175.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,493 INFO L168 Benchmark]: RCFGBuilder took 1279.74 ms. Allocated memory is still 201.3 MB. Free memory was 175.3 MB in the beginning and 133.7 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,494 INFO L168 Benchmark]: Symbolic Interpretation took 4964.91 ms. Allocated memory was 201.3 MB in the beginning and 391.6 MB in the end (delta: 190.3 MB). Free memory was 133.7 MB in the beginning and 135.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 191.7 MB. Max. memory is 7.1 GB. [2019-08-08 12:43:11,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.88 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.7 MB in the beginning and 178.3 MB in the end (delta: -91.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.01 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 175.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1279.74 ms. Allocated memory is still 201.3 MB. Free memory was 175.3 MB in the beginning and 133.7 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4964.91 ms. Allocated memory was 201.3 MB in the beginning and 391.6 MB in the end (delta: 190.3 MB). Free memory was 133.7 MB in the beginning and 135.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 191.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...