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_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:39:43,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:39:43,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:39:43,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:39:43,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:39:43,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:39:43,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:39:43,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:39:43,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:39:43,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:39:43,621 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:39:43,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:39:43,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:39:43,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:39:43,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:39:43,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:39:43,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:39:43,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:39:43,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:39:43,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:39:43,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:39:43,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:39:43,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:39:43,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:39:43,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:39:43,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:39:43,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:39:43,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:39:43,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:39:43,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:39:43,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:39:43,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:39:43,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:39:43,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:39:43,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:39:43,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:39:43,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:39:43,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:39:43,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:39:43,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:39:43,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:39:43,658 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 14:39:43,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:39:43,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:39:43,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:39:43,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:39:43,674 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:39:43,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:39:43,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:39:43,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:39:43,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:39:43,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:39:43,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:39:43,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:39:43,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:39:43,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:39:43,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:39:43,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:39:43,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:39:43,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:39:43,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:39:43,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:39:43,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:39:43,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:39:43,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:39:43,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:39:43,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:39:43,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:39:43,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:39:43,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:39:43,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:39:43,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:39:43,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:39:43,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:39:43,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:39:43,750 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:39:43,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2019-08-08 14:39:43,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdcbd8846/6f97a2d5cbd74002a3e7d2d6f7f02cc3/FLAG24a264a8d [2019-08-08 14:39:44,390 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:39:44,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.p+lhb-reducer.c [2019-08-08 14:39:44,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdcbd8846/6f97a2d5cbd74002a3e7d2d6f7f02cc3/FLAG24a264a8d [2019-08-08 14:39:44,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdcbd8846/6f97a2d5cbd74002a3e7d2d6f7f02cc3 [2019-08-08 14:39:44,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:39:44,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:39:44,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:39:44,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:39:44,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:39:44,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:39:44" (1/1) ... [2019-08-08 14:39:44,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f30b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:44, skipping insertion in model container [2019-08-08 14:39:44,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:39:44" (1/1) ... [2019-08-08 14:39:44,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:39:44,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:39:45,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:39:45,110 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:39:45,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:39:45,394 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:39:45,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45 WrapperNode [2019-08-08 14:39:45,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:39:45,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:39:45,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:39:45,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:39:45,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (1/1) ... [2019-08-08 14:39:45,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:39:45,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:39:45,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:39:45,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:39:45,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:39:45" (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 14:39:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:39:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:39:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:39:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:39:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:39:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:39:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 14:39:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:39:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:39:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:39:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:39:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:39:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:39:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:39:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-08 14:39:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-08 14:39:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-08 14:39:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:39:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:39:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:39:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:39:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:39:47,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:39:47,431 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:39:47,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:39:47 BoogieIcfgContainer [2019-08-08 14:39:47,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:39:47,433 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:39:47,434 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:39:47,434 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:39:47,435 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:39:47" (1/1) ... [2019-08-08 14:39:47,445 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 14:39:47,448 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:39:47,458 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:39:47,466 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:39:47,467 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:39:47,542 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 220 [2019-08-08 14:40:33,325 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 14:40:33,325 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 14:40:33,329 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 237577#(and (= 0 (mod main_~assert__arg~2 256)) (= main_~__tmp_3~0 main_~assert__arg~2) (= main_~__tmp_3~0 (ite (= main_~main__c1~0 0) 0 1)) (= main_~main__c1~0 ~__return_1533~0) (= ~__return_1533~0 main_~check__tmp~2)) [2019-08-08 14:40:33,330 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 14:40:33,337 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 14:40:33,340 INFO L168 Benchmark]: Toolchain (without parser) took 48677.08 ms. Allocated memory was 133.2 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 87.8 MB in the beginning and 290.1 MB in the end (delta: -202.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,341 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.00 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 87.5 MB in the beginning and 170.4 MB in the end (delta: -82.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,343 INFO L168 Benchmark]: Boogie Preprocessor took 76.27 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 166.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,344 INFO L168 Benchmark]: RCFGBuilder took 1961.09 ms. Allocated memory was 201.9 MB in the beginning and 226.0 MB in the end (delta: 24.1 MB). Free memory was 166.3 MB in the beginning and 192.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,345 INFO L168 Benchmark]: Symbolic Interpretation took 45903.81 ms. Allocated memory was 226.0 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 192.4 MB in the beginning and 290.1 MB in the end (delta: -97.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 14:40:33,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 636]: 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 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.00 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 87.5 MB in the beginning and 170.4 MB in the end (delta: -82.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.27 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 166.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1961.09 ms. Allocated memory was 201.9 MB in the beginning and 226.0 MB in the end (delta: 24.1 MB). Free memory was 166.3 MB in the beginning and 192.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 45903.81 ms. Allocated memory was 226.0 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 192.4 MB in the beginning and 290.1 MB in the end (delta: -97.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...