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/float-newlib/float_req_bl_1032d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:55:15,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:55:15,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:55:16,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:55:16,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:55:16,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:55:16,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:55:16,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:55:16,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:55:16,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:55:16,033 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:55:16,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:55:16,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:55:16,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:55:16,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:55:16,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:55:16,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:55:16,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:55:16,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:55:16,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:55:16,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:55:16,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:55:16,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:55:16,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:55:16,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 01:55:16,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 01:55:16,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 01:55:16,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 01:55:16,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 01:55:16,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 01:55:16,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:55:16,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:55:16,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:55:16,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:55:16,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:55:16,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:55:16,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:55:16,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:55:16,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:55:16,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:55:16,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:55:16,059 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 [2019-08-10 01:55:16,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:55:16,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:55:16,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:55:16,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:55:16,076 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:55:16,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:55:16,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:55:16,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:55:16,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:55:16,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:55:16,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:55:16,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:55:16,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:55:16,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:55:16,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:55:16,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:55:16,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:55:16,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:55:16,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:55:16,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:55:16,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:55:16,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:55:16,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:55:16,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:55:16,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:55:16,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:55:16,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:55:16,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:55:16,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:55:16,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:55:16,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:55:16,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:55:16,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:55:16,147 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:55:16,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2019-08-10 01:55:16,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7b5c6b4/6c84dd4496c24e49beecbc238376aef9/FLAGec82655ec [2019-08-10 01:55:16,735 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:55:16,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2019-08-10 01:55:16,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7b5c6b4/6c84dd4496c24e49beecbc238376aef9/FLAGec82655ec [2019-08-10 01:55:17,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7b5c6b4/6c84dd4496c24e49beecbc238376aef9 [2019-08-10 01:55:17,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:55:17,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:55:17,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:55:17,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:55:17,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:55:17,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200efe87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17, skipping insertion in model container [2019-08-10 01:55:17,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,146 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:55:17,162 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:55:17,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:55:17,376 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:55:17,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:55:17,516 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:55:17,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17 WrapperNode [2019-08-10 01:55:17,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:55:17,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:55:17,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:55:17,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:55:17,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:17,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:55:17,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:55:17,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:55:17,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:55:17,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:55:17" (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 [2019-08-10 01:55:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:55:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:55:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2019-08-10 01:55:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-08-10 01:55:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:55:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:55:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2019-08-10 01:55:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:55:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:55:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:55:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:55:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:55:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:55:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-08-10 01:55:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:55:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:55:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:55:17,934 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:55:17,935 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-10 01:55:17,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:55:17 BoogieIcfgContainer [2019-08-10 01:55:17,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:55:17,937 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:55:17,937 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:55:17,937 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:55:17,938 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:55:17" (1/1) ... [2019-08-10 01:55:18,742 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 01:55:19,289 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-08-10 01:55:19,794 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-08-10 01:55:20,011 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-10 01:55:20,188 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-10 01:55:20,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 01:55:20,486 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-08-10 01:55:20,646 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-08-10 01:55:21,906 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:55:21,915 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:55:21,917 INFO L168 Benchmark]: Toolchain (without parser) took 4788.74 ms. Allocated memory was 143.1 MB in the beginning and 255.3 MB in the end (delta: 112.2 MB). Free memory was 90.8 MB in the beginning and 143.7 MB in the end (delta: -52.9 MB). Peak memory consumption was 109.6 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,917 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.52 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 90.6 MB in the beginning and 178.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,925 INFO L168 Benchmark]: Boogie Preprocessor took 46.62 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 175.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,926 INFO L168 Benchmark]: RCFGBuilder took 371.92 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 158.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,926 INFO L168 Benchmark]: Symbolic Interpretation took 3978.59 ms. Allocated memory was 200.8 MB in the beginning and 255.3 MB in the end (delta: 54.5 MB). Free memory was 158.0 MB in the beginning and 143.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2019-08-10 01:55:21,936 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 78]: 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. Predicate is 97#(exists ((v_prenex_11 Int) (|v_isinf_float_~#gf_u~1.base_3| Int)) (or (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_isinf_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0) (not (= 0 |v_isinf_float_~#gf_u~1.base_3|)) (= 0 (select |old(#valid)| 0)) (< |v_isinf_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= 4 (select |#length| |v_isinf_float_~#gf_u~1.base_3|))) (and (= 0 |#NULL.base|) (= 4 (select |#length| v_prenex_11)) (< v_prenex_11 |#StackHeapBarrier|) (not (= 0 v_prenex_11)) (= 0 (select |#valid| v_prenex_11)) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 143.1 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.52 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 90.6 MB in the beginning and 178.0 MB in the end (delta: -87.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.62 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 175.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.92 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 158.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3978.59 ms. Allocated memory was 200.8 MB in the beginning and 255.3 MB in the end (delta: 54.5 MB). Free memory was 158.0 MB in the beginning and 143.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...