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/zonotope_3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:28:01,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:28:01,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:28:01,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:28:01,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:28:01,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:28:01,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:28:01,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:28:01,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:28:01,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:28:01,448 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:28:01,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:28:01,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:28:01,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:28:01,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:28:01,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:28:01,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:28:01,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:28:01,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:28:01,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:28:01,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:28:01,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:28:01,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:28:01,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:28:01,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:28:01,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:28:01,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:28:01,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:28:01,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:28:01,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:28:01,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:28:01,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:28:01,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:28:01,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:28:01,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:28:01,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:28:01,474 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 01:28:01,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:28:01,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:28:01,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:28:01,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:28:01,490 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:28:01,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:28:01,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:28:01,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:28:01,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:28:01,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:28:01,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:28:01,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:28:01,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:28:01,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:28:01,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:28:01,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:28:01,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:28:01,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:28:01,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:28:01,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:28:01,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:28:01,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:28:01,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:28:01,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:28:01,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:28:01,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:28:01,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:28:01,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:28:01,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:28:01,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:28:01,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:28:01,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:28:01,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:28:01,557 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:28:01,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_3.c.v+lhb-reducer.c [2019-08-10 01:28:01,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4884cd29b/7601363b57044c7581008e357fc23612/FLAG1c928e780 [2019-08-10 01:28:02,125 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:28:02,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c.v+lhb-reducer.c [2019-08-10 01:28:02,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4884cd29b/7601363b57044c7581008e357fc23612/FLAG1c928e780 [2019-08-10 01:28:02,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4884cd29b/7601363b57044c7581008e357fc23612 [2019-08-10 01:28:02,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:28:02,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:28:02,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:28:02,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:28:02,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:28:02,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:28:02" (1/1) ... [2019-08-10 01:28:02,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebc6a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:02, skipping insertion in model container [2019-08-10 01:28:02,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:28:02" (1/1) ... [2019-08-10 01:28:02,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:28:02,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:28:02,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:28:02,824 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:28:02,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:28:03,017 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:28:03,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03 WrapperNode [2019-08-10 01:28:03,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:28:03,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:28:03,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:28:03,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:28:03,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:03,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:28:03,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:28:03,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:28:03,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:28:03,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:28:03" (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 01:28:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:28:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:28:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:28:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:28:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-10 01:28:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 01:28:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 01:28:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-10 01:28:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-10 01:28:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:28:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:28:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:28:03,766 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:28:03,766 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 01:28:03,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:28:03 BoogieIcfgContainer [2019-08-10 01:28:03,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:28:03,768 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:28:03,769 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:28:03,769 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:28:03,770 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:28:03" (1/1) ... [2019-08-10 01:28:04,287 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:28:04,295 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:28:04,298 INFO L168 Benchmark]: Toolchain (without parser) took 1847.93 ms. Allocated memory was 137.4 MB in the beginning and 228.6 MB in the end (delta: 91.2 MB). Free memory was 86.4 MB in the beginning and 183.6 MB in the end (delta: -97.3 MB). Peak memory consumption was 75.2 MB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,299 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.79 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 86.1 MB in the beginning and 175.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,301 INFO L168 Benchmark]: Boogie Preprocessor took 68.99 ms. Allocated memory is still 202.4 MB. Free memory was 175.0 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,302 INFO L168 Benchmark]: RCFGBuilder took 680.04 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 131.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,303 INFO L168 Benchmark]: Symbolic Interpretation took 527.07 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 131.1 MB in the beginning and 183.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-08-10 01:28:04,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 562]: 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 113#(or (and (= main_~main____CPAchecker_TMP_2~0 main_~__tmp_45~0) (or (and (= 1 main_~main____CPAchecker_TMP_2~0) (= ~__tmp_120439_0~0 main_~main____CPAchecker_TMP_1~8) (not (<= main_~main__i~0 100000)) (= ~__tmp_120439_1~0 main_~main____CPAchecker_TMP_0~8)) (and (= ~__tmp_120439_0~0 main_~main____CPAchecker_TMP_1~8) (= 0 main_~main____CPAchecker_TMP_2~0) (not (<= main_~main__i~0 100000)) (= ~__tmp_120439_1~0 main_~main____CPAchecker_TMP_0~8))) (= main_~__VERIFIER_assert__cond~0 main_~__tmp_45~0) (= main_~__VERIFIER_assert__cond~0 0)) (and (= ~__tmp_120439_0~0 main_~main____CPAchecker_TMP_1~8) (= 0 main_~main____CPAchecker_TMP_2~0) (= main_~main____CPAchecker_TMP_2~0 main_~__tmp_45~0) (not (<= main_~main__i~0 100000)) (= main_~__VERIFIER_assert__cond~0 main_~__tmp_45~0) (= main_~__VERIFIER_assert__cond~0 0) (= ~__tmp_120439_1~0 main_~main____CPAchecker_TMP_0~8))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 567.79 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 86.1 MB in the beginning and 175.0 MB in the end (delta: -88.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.99 ms. Allocated memory is still 202.4 MB. Free memory was 175.0 MB in the beginning and 172.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 680.04 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 131.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 527.07 ms. Allocated memory was 202.4 MB in the beginning and 228.6 MB in the end (delta: 26.2 MB). Free memory was 131.1 MB in the beginning and 183.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...