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/eca-rers2012/Problem01_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:01:05,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:01:05,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:01:05,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:01:05,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:01:05,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:01:05,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:01:05,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:01:05,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:01:05,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:01:05,599 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:01:05,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:01:05,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:01:05,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:01:05,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:01:05,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:01:05,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:01:05,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:01:05,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:01:05,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:01:05,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:01:05,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:01:05,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:01:05,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:01:05,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:01:05,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:01:05,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:01:05,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:01:05,633 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 11:01:05,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:01:05,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:01:05,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:01:05,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:01:05,648 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:01:05,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:01:05,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:01:05,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:01:05,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:01:05,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:01:05,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:01:05,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:01:05,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:01:05,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:01:05,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:01:05,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:01:05,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:01:05,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:01:05,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:01:05,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:01:05,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:01:05,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:01:05,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:01:05,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:01:05,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:01:05,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:01:05,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:01:05,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:01:05,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:01:05,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:01:05,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:01:05,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:01:05,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:01:05,718 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:01:05,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label57.c [2019-08-14 11:01:05,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ca53e0cc/4cd4d0b608d24e58a817d0bc2f342e43/FLAGd523c4c57 [2019-08-14 11:01:06,367 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:01:06,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label57.c [2019-08-14 11:01:06,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ca53e0cc/4cd4d0b608d24e58a817d0bc2f342e43/FLAGd523c4c57 [2019-08-14 11:01:06,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ca53e0cc/4cd4d0b608d24e58a817d0bc2f342e43 [2019-08-14 11:01:06,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:01:06,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:01:06,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:01:06,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:01:06,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:01:06,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:01:06" (1/1) ... [2019-08-14 11:01:06,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab3f8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:06, skipping insertion in model container [2019-08-14 11:01:06,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:01:06" (1/1) ... [2019-08-14 11:01:06,633 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:01:06,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:01:07,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:01:07,130 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:01:07,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:01:07,390 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:01:07,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07 WrapperNode [2019-08-14 11:01:07,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:01:07,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:01:07,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:01:07,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:01:07,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (1/1) ... [2019-08-14 11:01:07,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:01:07,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:01:07,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:01:07,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:01:07,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:01:07" (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 11:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:01:08,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:01:08,705 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:01:08,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:01:08 BoogieIcfgContainer [2019-08-14 11:01:08,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:01:08,707 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:01:08,707 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:01:08,707 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:01:08,708 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:01:08" (1/1) ... [2019-08-14 11:01:10,217 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:01:10,220 INFO L168 Benchmark]: Toolchain (without parser) took 3603.91 ms. Allocated memory was 131.1 MB in the beginning and 273.2 MB in the end (delta: 142.1 MB). Free memory was 85.1 MB in the beginning and 119.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 151.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:01:10,221 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 11:01:10,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.85 ms. Allocated memory was 131.1 MB in the beginning and 201.9 MB in the end (delta: 70.8 MB). Free memory was 84.6 MB in the beginning and 166.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:01:10,224 INFO L168 Benchmark]: Boogie Preprocessor took 136.37 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 161.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:01:10,227 INFO L168 Benchmark]: RCFGBuilder took 1177.78 ms. Allocated memory was 201.9 MB in the beginning and 222.8 MB in the end (delta: 21.0 MB). Free memory was 161.4 MB in the beginning and 177.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:01:10,228 INFO L168 Benchmark]: Symbolic Interpretation took 1510.45 ms. Allocated memory was 222.8 MB in the beginning and 273.2 MB in the end (delta: 50.3 MB). Free memory was 177.9 MB in the beginning and 119.1 MB in the end (delta: 58.8 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:01:10,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 410]: 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 26532#(and (not (= ~a20~0 1)) (= ~a12~0 8) (not (= 1 ~a7~0)) (= ~a21~0 1) (not (= ~a17~0 1)) (= 14 ~a8~0) (= ~a16~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.85 ms. Allocated memory was 131.1 MB in the beginning and 201.9 MB in the end (delta: 70.8 MB). Free memory was 84.6 MB in the beginning and 166.4 MB in the end (delta: -81.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.37 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 161.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.78 ms. Allocated memory was 201.9 MB in the beginning and 222.8 MB in the end (delta: 21.0 MB). Free memory was 161.4 MB in the beginning and 177.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1510.45 ms. Allocated memory was 222.8 MB in the beginning and 273.2 MB in the end (delta: 50.3 MB). Free memory was 177.9 MB in the beginning and 119.1 MB in the end (delta: 58.8 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...