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/Problem18_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:06:39,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:06:39,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:06:39,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:06:39,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:06:39,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:06:39,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:06:39,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:06:39,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:06:39,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:06:39,363 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:06:39,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:06:39,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:06:39,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:06:39,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:06:39,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:06:39,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:06:39,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:06:39,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:06:39,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:06:39,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:06:39,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:06:39,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:06:39,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:06:39,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:06:39,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:06:39,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:06:39,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:06:39,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:06:39,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:06:39,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:06:39,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:06:39,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:06:39,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:06:39,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:06:39,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:06:39,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:06:39,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:06:39,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:06:39,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:06:39,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:06:39,408 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 18:06:39,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:06:39,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:06:39,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:06:39,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:06:39,435 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:06:39,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:06:39,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:06:39,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:06:39,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:06:39,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:06:39,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:06:39,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:06:39,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:06:39,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:06:39,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:06:39,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:06:39,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:06:39,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:06:39,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:06:39,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:06:39,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:06:39,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:06:39,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:06:39,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:06:39,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:06:39,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:06:39,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:06:39,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:06:39,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:06:39,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:06:39,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:06:39,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:06:39,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:06:39,501 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:06:39,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label33.c [2019-08-14 18:06:39,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b50045/a672f7d1e2ce428c9f1eec25085cd331/FLAGb99865afa [2019-08-14 18:06:40,353 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:06:40,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label33.c [2019-08-14 18:06:40,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b50045/a672f7d1e2ce428c9f1eec25085cd331/FLAGb99865afa [2019-08-14 18:06:40,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b50045/a672f7d1e2ce428c9f1eec25085cd331 [2019-08-14 18:06:40,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:06:40,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:06:40,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:06:40,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:06:40,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:06:40,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:06:40" (1/1) ... [2019-08-14 18:06:40,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6958184f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:40, skipping insertion in model container [2019-08-14 18:06:40,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:06:40" (1/1) ... [2019-08-14 18:06:40,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:06:41,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:06:42,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:06:42,247 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:06:42,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:06:42,724 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:06:42,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42 WrapperNode [2019-08-14 18:06:42,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:06:42,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:06:42,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:06:42,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:06:42,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (1/1) ... [2019-08-14 18:06:42,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:06:42,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:06:42,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:06:42,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:06:42,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:06:42" (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 18:06:43,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:06:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:06:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:06:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:06:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:06:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:06:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:06:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:06:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:06:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:06:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:06:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:06:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:06:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:06:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:06:46,840 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:06:46,840 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:06:46,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:06:46 BoogieIcfgContainer [2019-08-14 18:06:46,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:06:46,845 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:06:46,845 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:06:46,845 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:06:46,846 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:06:46" (1/1) ... [2019-08-14 18:07:26,491 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 18:07:26,494 INFO L168 Benchmark]: Toolchain (without parser) took 45606.92 ms. Allocated memory was 134.2 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 80.4 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-14 18:07:26,494 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 134.2 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 18:07:26,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1840.20 ms. Allocated memory was 134.2 MB in the beginning and 227.5 MB in the end (delta: 93.3 MB). Free memory was 80.4 MB in the beginning and 112.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:26,496 INFO L168 Benchmark]: Boogie Preprocessor took 256.50 ms. Allocated memory is still 227.5 MB. Free memory was 112.2 MB in the beginning and 91.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:26,497 INFO L168 Benchmark]: RCFGBuilder took 3860.90 ms. Allocated memory was 227.5 MB in the beginning and 345.5 MB in the end (delta: 118.0 MB). Free memory was 91.6 MB in the beginning and 108.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2019-08-14 18:07:26,498 INFO L168 Benchmark]: Symbolic Interpretation took 39646.10 ms. Allocated memory was 345.5 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 108.4 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-14 18:07:26,503 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: Over-approximation of reachable states at this location is 980528#(and (= ~a15~0 4) (= ~a18~0 12) (<= ~a3~0 417) (= ~a24~0 1) (< 306 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 134.2 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1840.20 ms. Allocated memory was 134.2 MB in the beginning and 227.5 MB in the end (delta: 93.3 MB). Free memory was 80.4 MB in the beginning and 112.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 256.50 ms. Allocated memory is still 227.5 MB. Free memory was 112.2 MB in the beginning and 91.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3860.90 ms. Allocated memory was 227.5 MB in the beginning and 345.5 MB in the end (delta: 118.0 MB). Free memory was 91.6 MB in the beginning and 108.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39646.10 ms. Allocated memory was 345.5 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 108.4 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...