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-benchs/inv_Newton.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:25:13,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:13,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:13,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:13,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:13,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:13,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:13,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:13,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:13,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:13,480 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:13,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:13,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:13,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:13,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:13,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:13,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:13,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:13,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:13,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:13,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:13,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:13,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:13,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:13,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:13,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:13,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:13,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:13,514 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 [2019-08-22 21:25:13,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:13,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:13,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:13,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:13,544 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:13,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:13,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:13,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:13,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:13,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:13,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:13,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:13,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:13,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:13,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:13,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:13,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:13,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:13,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:13,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:13,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:13,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:13,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:13,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:13,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:13,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:13,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:13,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:13,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:13,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:13,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:13,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:13,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:13,617 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:13,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-08-22 21:25:13,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f48dfc5d/524c786b05cc4f239f991e611cf78cd0/FLAG178290092 [2019-08-22 21:25:14,178 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:14,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-08-22 21:25:14,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f48dfc5d/524c786b05cc4f239f991e611cf78cd0/FLAG178290092 [2019-08-22 21:25:14,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f48dfc5d/524c786b05cc4f239f991e611cf78cd0 [2019-08-22 21:25:14,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:14,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:14,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:14,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:14,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:14,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0ace8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14, skipping insertion in model container [2019-08-22 21:25:14,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:14,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:14,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:14,832 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:14,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:14,985 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:14,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14 WrapperNode [2019-08-22 21:25:14,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:14,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:14,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:14,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:14,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:14,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (1/1) ... [2019-08-22 21:25:15,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:15,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:15,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:15,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:15,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:14" (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 [2019-08-22 21:25:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-22 21:25:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:25:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-08-22 21:25:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:25:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:25:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:15,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:15,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:25:15,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:15 BoogieIcfgContainer [2019-08-22 21:25:15,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:15,384 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:15,384 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:15,384 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:15,385 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:15" (1/1) ... [2019-08-22 21:25:15,402 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:15,406 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:15,414 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:15,425 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:15,426 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:15,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:25:15,555 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2019-08-22 21:25:15,610 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 33 [2019-08-22 21:25:15,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:16,135 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-08-22 21:25:16,136 INFO L567 ElimStorePlain]: treesize reduction 19, result has 90.5 percent of original size [2019-08-22 21:25:16,144 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:16,282 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-22 21:25:16,283 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:16,293 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:16,439 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-22 21:25:16,440 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:16,448 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:16,563 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-22 21:25:16,563 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:16,566 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:16,566 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:222, output treesize:152 [2019-08-22 21:25:16,782 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:25:16,783 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:25:16,785 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 237#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (<= main_~__tmp_2~0 0)) [2019-08-22 21:25:16,794 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:25:16,795 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:25:16,797 INFO L168 Benchmark]: Toolchain (without parser) took 2207.03 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 88.9 MB in the beginning and 156.9 MB in the end (delta: -68.0 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,798 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.09 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 175.2 MB in the end (delta: -86.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,800 INFO L168 Benchmark]: Boogie Preprocessor took 40.83 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 173.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,801 INFO L168 Benchmark]: RCFGBuilder took 355.42 ms. Allocated memory is still 199.8 MB. Free memory was 173.4 MB in the beginning and 155.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,802 INFO L168 Benchmark]: Symbolic Interpretation took 1411.34 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 155.9 MB in the beginning and 156.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 91]: 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 237#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (<= main_~__tmp_2~0 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.09 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 175.2 MB in the end (delta: -86.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.83 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 173.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.42 ms. Allocated memory is still 199.8 MB. Free memory was 173.4 MB in the beginning and 155.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1411.34 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 155.9 MB in the beginning and 156.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...