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_1122b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:07:21,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:07:21,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:07:21,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:07:21,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:07:21,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:07:21,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:07:21,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:07:21,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:07:21,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:07:21,497 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:07:21,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:07:21,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:07:21,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:07:21,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:07:21,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:07:21,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:07:21,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:07:21,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:07:21,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:07:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:07:21,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:07:21,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:07:21,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:07:21,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:07:21,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:07:21,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:07:21,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:07:21,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:07:21,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:07:21,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:07:21,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:07:21,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:07:21,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:07:21,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:07:21,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:07:21,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:07:21,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:07:21,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:07:21,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:07:21,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:07:21,524 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 [2019-08-14 20:07:21,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:07:21,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:07:21,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:07:21,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:07:21,541 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:07:21,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:07:21,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:07:21,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:07:21,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:07:21,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:07:21,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:07:21,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:07:21,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:07:21,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:07:21,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:07:21,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:07:21,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:07:21,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:07:21,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:07:21,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:07:21,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:07:21,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:07:21,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:07:21,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:07:21,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:07:21,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:07:21,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:07:21,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:07:21,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:07:21,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:07:21,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:07:21,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:07:21,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:07:21,599 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:07:21,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1122b.c [2019-08-14 20:07:21,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aa6898d/47285af01d134d56ba5caaecb27adce2/FLAGfc7760c4a [2019-08-14 20:07:22,181 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:07:22,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1122b.c [2019-08-14 20:07:22,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aa6898d/47285af01d134d56ba5caaecb27adce2/FLAGfc7760c4a [2019-08-14 20:07:22,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aa6898d/47285af01d134d56ba5caaecb27adce2 [2019-08-14 20:07:22,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:07:22,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:07:22,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:22,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:07:22,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:07:22,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:22" (1/1) ... [2019-08-14 20:07:22,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2682a89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:22, skipping insertion in model container [2019-08-14 20:07:22,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:22" (1/1) ... [2019-08-14 20:07:22,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:07:22,611 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:07:22,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:22,932 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:07:23,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:23,145 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:07:23,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23 WrapperNode [2019-08-14 20:07:23,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:23,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:07:23,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:07:23,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:07:23,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:23,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:07:23,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:07:23,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:07:23,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:07:23,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:23" (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 [2019-08-14 20:07:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:07:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:07:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2019-08-14 20:07:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-14 20:07:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:07:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:07:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 20:07:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2019-08-14 20:07:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:07:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:07:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:07:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:07:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:07:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:07:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-14 20:07:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:07:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:07:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-08-14 20:07:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:07:23,723 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:07:23,724 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-08-14 20:07:23,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:23 BoogieIcfgContainer [2019-08-14 20:07:23,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:07:23,726 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:07:23,726 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:07:23,726 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:07:23,727 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:23" (1/1) ... [2019-08-14 20:07:24,372 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-14 20:07:24,525 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-14 20:07:24,770 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-08-14 20:07:25,026 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-14 20:07:26,337 WARN L188 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-08-14 20:07:27,140 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-08-14 20:07:27,555 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:07:27,841 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:28,124 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:07:28,900 WARN L188 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-08-14 20:07:29,622 WARN L188 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-08-14 20:07:30,028 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-14 20:07:30,470 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:30,777 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:07:33,891 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:07:33,892 INFO L168 Benchmark]: Toolchain (without parser) took 11330.37 ms. Allocated memory was 130.5 MB in the beginning and 372.8 MB in the end (delta: 242.2 MB). Free memory was 85.9 MB in the beginning and 194.9 MB in the end (delta: -109.0 MB). Peak memory consumption was 250.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,893 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.51 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 85.7 MB in the beginning and 173.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,894 INFO L168 Benchmark]: Boogie Preprocessor took 53.17 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 171.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,894 INFO L168 Benchmark]: RCFGBuilder took 525.35 ms. Allocated memory is still 199.2 MB. Free memory was 171.3 MB in the beginning and 145.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,895 INFO L168 Benchmark]: Symbolic Interpretation took 10165.24 ms. Allocated memory was 199.2 MB in the beginning and 372.8 MB in the end (delta: 173.5 MB). Free memory was 145.9 MB in the beginning and 194.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 242.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:33,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 123]: 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 1323#(and (= 0 |~#Zero_fmod~0.offset|) (= 8 (select |old(#length)| |~#Zero_fmod~0.base|)) (= 0 |#NULL.base|) (= 1 (select |old(#valid)| |~#Zero_fmod~0.base|)) (< |~#Zero_fmod~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_real)| |~#Zero_fmod~0.base|) |~#Zero_fmod~0.offset|) 0.0) (= 1.0 ~one_fmod~0) (= |#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 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 582.51 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 85.7 MB in the beginning and 173.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.17 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 171.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 525.35 ms. Allocated memory is still 199.2 MB. Free memory was 171.3 MB in the beginning and 145.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 10165.24 ms. Allocated memory was 199.2 MB in the beginning and 372.8 MB in the end (delta: 173.5 MB). Free memory was 145.9 MB in the beginning and 194.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 242.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...