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-a32b1f7 [2019-08-18 09:12:56,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 09:12:56,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 09:12:56,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 09:12:56,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 09:12:56,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 09:12:56,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 09:12:56,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 09:12:56,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 09:12:56,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 09:12:56,931 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 09:12:56,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 09:12:56,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 09:12:56,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 09:12:56,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 09:12:56,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 09:12:56,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 09:12:56,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 09:12:56,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 09:12:56,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 09:12:56,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 09:12:56,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 09:12:56,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 09:12:56,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 09:12:56,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 09:12:56,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 09:12:56,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 09:12:56,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 09:12:56,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 09:12:56,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 09:12:56,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 09:12:56,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 09:12:56,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 09:12:56,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 09:12:56,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 09:12:56,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 09:12:56,960 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 09:12:56,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 09:12:56,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 09:12:56,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 09:12:56,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 09:12:56,980 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 09:12:56,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 09:12:56,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 09:12:56,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 09:12:56,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 09:12:56,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 09:12:56,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 09:12:56,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 09:12:56,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 09:12:56,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 09:12:56,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 09:12:56,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 09:12:56,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 09:12:56,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 09:12:56,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 09:12:56,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 09:12:56,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 09:12:56,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 09:12:56,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 09:12:56,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 09:12:57,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 09:12:57,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 09:12:57,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 09:12:57,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 09:12:57,033 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 09:12:57,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy2.cil.c [2019-08-18 09:12:57,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b23d14b/95866060a6f944ce93d5b2c12af070af/FLAG77f23f733 [2019-08-18 09:12:57,555 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 09:12:57,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy2.cil.c [2019-08-18 09:12:57,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b23d14b/95866060a6f944ce93d5b2c12af070af/FLAG77f23f733 [2019-08-18 09:12:57,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79b23d14b/95866060a6f944ce93d5b2c12af070af [2019-08-18 09:12:57,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 09:12:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 09:12:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 09:12:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 09:12:57,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 09:12:57,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:12:57" (1/1) ... [2019-08-18 09:12:57,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5c7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:57, skipping insertion in model container [2019-08-18 09:12:57,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:12:57" (1/1) ... [2019-08-18 09:12:57,946 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 09:12:58,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 09:12:58,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:12:58,357 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 09:12:58,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 09:12:58,547 INFO L192 MainTranslator]: Completed translation [2019-08-18 09:12:58,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58 WrapperNode [2019-08-18 09:12:58,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 09:12:58,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 09:12:58,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 09:12:58,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 09:12:58,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (1/1) ... [2019-08-18 09:12:58,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 09:12:58,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 09:12:58,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 09:12:58,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 09:12:58,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:12:58" (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 09:12:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 09:12:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 09:12:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-08-18 09:12:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-18 09:12:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-08-18 09:12:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 09:12:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 09:12:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 09:12:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-08-18 09:12:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-08-18 09:12:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-08-18 09:12:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-08-18 09:12:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-08-18 09:12:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 09:12:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-18 09:12:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-08-18 09:12:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 09:12:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 09:12:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 09:12:59,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 09:12:59,421 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 09:12:59,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:12:59 BoogieIcfgContainer [2019-08-18 09:12:59,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 09:12:59,424 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 09:12:59,424 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 09:12:59,424 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 09:12:59,425 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:12:59" (1/1) ... [2019-08-18 09:12:59,439 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 09:12:59,442 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 09:12:59,452 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 09:12:59,461 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 09:12:59,463 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 09:12:59,582 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 112 [2019-08-18 09:12:59,621 INFO L185 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 104 [2019-08-18 09:13:06,790 INFO L185 IcfgInterpreter]: Interpreting procedure eval with input of size 58 [2019-08-18 09:13:06,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:13:06,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:13:07,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 09:13:07,166 INFO L185 IcfgInterpreter]: Interpreting procedure write_loop with input of size 30 [2019-08-18 09:13:07,168 INFO L185 IcfgInterpreter]: Interpreting procedure error with input of size 15 [2019-08-18 09:13:07,168 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 09:13:07,168 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 09:13:07,171 INFO L179 IcfgInterpreter]: Location errorErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 33152#(and (not (= 0 ~wl_pc~0)) (= 2 ~wl_pc~0) (= 1 ~wl_st~0) (not (= ~d~0 (+ ~t_b~0 1)))) [2019-08-18 09:13:07,181 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 09:13:07,181 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 09:13:07,184 INFO L168 Benchmark]: Toolchain (without parser) took 9255.98 ms. Allocated memory was 140.5 MB in the beginning and 673.2 MB in the end (delta: 532.7 MB). Free memory was 86.7 MB in the beginning and 348.5 MB in the end (delta: -261.8 MB). Peak memory consumption was 421.7 MB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,185 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.24 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 175.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,187 INFO L168 Benchmark]: Boogie Preprocessor took 103.00 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 172.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,188 INFO L168 Benchmark]: RCFGBuilder took 769.46 ms. Allocated memory is still 200.8 MB. Free memory was 172.4 MB in the beginning and 131.1 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,189 INFO L168 Benchmark]: Symbolic Interpretation took 7757.17 ms. Allocated memory was 200.8 MB in the beginning and 673.2 MB in the end (delta: 472.4 MB). Free memory was 131.1 MB in the beginning and 348.5 MB in the end (delta: -217.4 MB). Peak memory consumption was 405.8 MB. Max. memory is 7.1 GB. [2019-08-18 09:13:07,195 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: Over-approximation of reachable states at this location is 33152#(and (not (= 0 ~wl_pc~0)) (= 2 ~wl_pc~0) (= 1 ~wl_st~0) (not (= ~d~0 (+ ~t_b~0 1)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.24 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 175.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.00 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 172.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 769.46 ms. Allocated memory is still 200.8 MB. Free memory was 172.4 MB in the beginning and 131.1 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7757.17 ms. Allocated memory was 200.8 MB in the beginning and 673.2 MB in the end (delta: 472.4 MB). Free memory was 131.1 MB in the beginning and 348.5 MB in the end (delta: -217.4 MB). Peak memory consumption was 405.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...