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_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 15:03:27,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 15:03:27,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 15:03:27,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 15:03:27,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 15:03:27,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 15:03:27,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 15:03:27,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 15:03:27,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 15:03:27,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 15:03:27,123 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 15:03:27,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 15:03:27,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 15:03:27,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 15:03:27,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 15:03:27,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 15:03:27,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 15:03:27,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 15:03:27,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 15:03:27,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 15:03:27,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 15:03:27,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 15:03:27,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 15:03:27,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 15:03:27,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 15:03:27,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 15:03:27,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 15:03:27,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 15:03:27,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 15:03:27,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 15:03:27,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 15:03:27,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 15:03:27,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 15:03:27,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 15:03:27,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 15:03:27,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 15:03:27,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 15:03:27,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 15:03:27,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 15:03:27,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 15:03:27,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 15:03:27,154 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 15:03:27,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 15:03:27,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 15:03:27,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 15:03:27,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 15:03:27,186 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 15:03:27,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 15:03:27,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 15:03:27,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 15:03:27,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 15:03:27,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 15:03:27,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 15:03:27,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 15:03:27,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 15:03:27,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 15:03:27,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 15:03:27,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 15:03:27,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 15:03:27,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 15:03:27,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 15:03:27,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 15:03:27,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 15:03:27,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 15:03:27,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 15:03:27,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 15:03:27,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 15:03:27,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 15:03:27,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 15:03:27,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 15:03:27,276 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 15:03:27,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 15:03:27,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9739653/f579170ab3ea4a2bb344d78d366f0c92/FLAG3113e57ea [2019-08-08 15:03:27,917 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 15:03:27,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-08 15:03:27,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9739653/f579170ab3ea4a2bb344d78d366f0c92/FLAG3113e57ea [2019-08-08 15:03:28,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9739653/f579170ab3ea4a2bb344d78d366f0c92 [2019-08-08 15:03:28,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 15:03:28,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 15:03:28,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 15:03:28,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 15:03:28,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 15:03:28,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:03:28" (1/1) ... [2019-08-08 15:03:28,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2d9b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:28, skipping insertion in model container [2019-08-08 15:03:28,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:03:28" (1/1) ... [2019-08-08 15:03:28,164 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 15:03:28,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 15:03:28,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:03:28,705 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 15:03:28,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 15:03:29,006 INFO L192 MainTranslator]: Completed translation [2019-08-08 15:03:29,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29 WrapperNode [2019-08-08 15:03:29,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 15:03:29,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 15:03:29,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 15:03:29,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 15:03:29,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (1/1) ... [2019-08-08 15:03:29,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 15:03:29,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 15:03:29,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 15:03:29,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 15:03:29,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:03:29" (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 15:03:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 15:03:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 15:03:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 15:03:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 15:03:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 15:03:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 15:03:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 15:03:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 15:03:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 15:03:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 15:03:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 15:03:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 15:03:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 15:03:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 15:03:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 15:03:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 15:03:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 15:03:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 15:03:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 15:03:32,250 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 15:03:32,251 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 15:03:32,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:03:32 BoogieIcfgContainer [2019-08-08 15:03:32,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 15:03:32,254 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 15:03:32,254 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 15:03:32,254 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 15:03:32,255 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:03:32" (1/1) ... [2019-08-08 15:03:32,268 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 15:03:32,271 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 15:03:32,282 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 15:03:32,291 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 15:03:32,293 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 15:03:32,398 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 233 [2019-08-08 15:04:45,082 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 15:04:45,082 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 15:04:45,086 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 428925#(and (or (and (or (= main_~check__tmp~3 0) (= main_~check__tmp~3 1)) (= ~__return_2401~0 main_~check__tmp~3) (= main_~main__c1~0 ~__return_2401~0)) (and (= ~__return_2526~0 main_~check__tmp~4) (= main_~main__c1~0 ~__return_2526~0))) (= 0 (mod main_~assert__arg~3 256)) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~__tmp_4~0 main_~assert__arg~3)) [2019-08-08 15:04:45,087 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 15:04:45,094 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 15:04:45,097 INFO L168 Benchmark]: Toolchain (without parser) took 76949.19 ms. Allocated memory was 132.6 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 87.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,098 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.47 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 169.5 MB in the end (delta: -82.8 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,100 INFO L168 Benchmark]: Boogie Preprocessor took 118.61 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,101 INFO L168 Benchmark]: RCFGBuilder took 3126.74 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 164.6 MB in the beginning and 151.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,102 INFO L168 Benchmark]: Symbolic Interpretation took 72840.56 ms. Allocated memory was 226.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 151.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-08 15:04:45,113 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 897]: 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 0.56 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 859.47 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 86.7 MB in the beginning and 169.5 MB in the end (delta: -82.8 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.61 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3126.74 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 164.6 MB in the beginning and 151.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 72840.56 ms. Allocated memory was 226.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 151.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...