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/Problem06_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:09:41,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:09:41,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:09:41,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:09:41,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:09:41,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:09:41,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:09:41,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:09:41,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:09:41,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:09:41,723 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:09:41,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:09:41,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:09:41,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:09:41,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:09:41,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:09:41,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:09:41,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:09:41,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:09:41,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:09:41,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:09:41,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:09:41,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:09:41,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:09:41,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:09:41,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:09:41,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:09:41,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:09:41,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:09:41,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:09:41,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:09:41,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:09:41,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:09:41,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:09:41,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:09:41,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:09:41,752 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 11:09:41,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:09:41,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:09:41,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:09:41,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:09:41,769 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:09:41,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:09:41,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:09:41,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:09:41,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:09:41,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:09:41,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:09:41,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:09:41,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:09:41,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:09:41,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:09:41,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:09:41,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:09:41,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:09:41,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:09:41,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:09:41,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:09:41,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:09:41,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:09:41,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:09:41,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:09:41,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:09:41,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:09:41,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:09:41,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:09:41,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:09:41,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:09:41,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:09:41,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:09:41,826 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:09:41,826 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label37.c [2019-08-14 11:09:41,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10edcb428/13689f508e40431a83a12330f3dcf726/FLAG92022f956 [2019-08-14 11:09:42,827 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:09:42,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label37.c [2019-08-14 11:09:42,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10edcb428/13689f508e40431a83a12330f3dcf726/FLAG92022f956 [2019-08-14 11:09:43,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10edcb428/13689f508e40431a83a12330f3dcf726 [2019-08-14 11:09:43,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:09:43,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:09:43,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:43,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:09:43,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:09:43,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:43" (1/1) ... [2019-08-14 11:09:43,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472e60e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:43, skipping insertion in model container [2019-08-14 11:09:43,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:43" (1/1) ... [2019-08-14 11:09:43,242 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:09:43,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:09:45,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:45,941 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:09:47,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:47,110 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:09:47,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47 WrapperNode [2019-08-14 11:09:47,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:47,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:09:47,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:09:47,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:09:47,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (1/1) ... [2019-08-14 11:09:47,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:09:47,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:09:47,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:09:47,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:09:47,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:47" (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 11:09:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:09:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:09:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:09:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:09:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:09:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:09:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:09:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:09:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:09:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:09:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:09:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:09:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:09:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:09:55,343 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:09:55,344 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:09:55,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:55 BoogieIcfgContainer [2019-08-14 11:09:55,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:09:55,346 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:09:55,347 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:09:55,347 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:09:55,348 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:55" (1/1) ... [2019-08-14 11:10:02,615 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:10:02,619 INFO L168 Benchmark]: Toolchain (without parser) took 19396.19 ms. Allocated memory was 172.0 MB in the beginning and 814.7 MB in the end (delta: 642.8 MB). Free memory was 140.3 MB in the beginning and 219.3 MB in the end (delta: -79.0 MB). Peak memory consumption was 564.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,620 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3885.85 ms. Allocated memory was 172.0 MB in the beginning and 310.4 MB in the end (delta: 138.4 MB). Free memory was 139.6 MB in the beginning and 106.3 MB in the end (delta: 33.4 MB). Peak memory consumption was 195.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,622 INFO L168 Benchmark]: Boogie Preprocessor took 472.26 ms. Allocated memory was 310.4 MB in the beginning and 316.1 MB in the end (delta: 5.8 MB). Free memory was 106.3 MB in the beginning and 180.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,623 INFO L168 Benchmark]: RCFGBuilder took 7761.78 ms. Allocated memory was 316.1 MB in the beginning and 622.3 MB in the end (delta: 306.2 MB). Free memory was 180.3 MB in the beginning and 364.8 MB in the end (delta: -184.5 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,624 INFO L168 Benchmark]: Symbolic Interpretation took 7269.39 ms. Allocated memory was 622.3 MB in the beginning and 814.7 MB in the end (delta: 192.4 MB). Free memory was 364.8 MB in the beginning and 219.3 MB in the end (delta: 145.5 MB). Peak memory consumption was 338.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:10:02,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9312]: 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 118116#(and (= ~a14~0 6) (= 13 ~a3~0) (= ~a10~0 1) (= ~a27~0 19) (= 1 ~a2~0) (not (= ~a25~0 1)) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3885.85 ms. Allocated memory was 172.0 MB in the beginning and 310.4 MB in the end (delta: 138.4 MB). Free memory was 139.6 MB in the beginning and 106.3 MB in the end (delta: 33.4 MB). Peak memory consumption was 195.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 472.26 ms. Allocated memory was 310.4 MB in the beginning and 316.1 MB in the end (delta: 5.8 MB). Free memory was 106.3 MB in the beginning and 180.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7761.78 ms. Allocated memory was 316.1 MB in the beginning and 622.3 MB in the end (delta: 306.2 MB). Free memory was 180.3 MB in the beginning and 364.8 MB in the end (delta: -184.5 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7269.39 ms. Allocated memory was 622.3 MB in the beginning and 814.7 MB in the end (delta: 192.4 MB). Free memory was 364.8 MB in the beginning and 219.3 MB in the end (delta: 145.5 MB). Peak memory consumption was 338.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...