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/Problem03_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:04:04,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:04:04,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:04:04,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:04:04,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:04:04,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:04:04,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:04:04,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:04:04,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:04:04,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:04:04,795 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:04:04,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:04:04,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:04:04,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:04:04,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:04:04,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:04:04,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:04:04,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:04:04,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:04:04,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:04:04,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:04:04,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:04:04,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:04:04,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:04:04,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:04:04,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:04:04,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:04:04,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:04:04,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:04:04,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:04:04,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:04:04,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:04:04,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:04:04,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:04:04,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:04:04,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:04:04,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:04:04,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:04:04,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:04:04,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:04:04,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:04:04,823 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 11:04:04,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:04:04,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:04:04,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:04:04,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:04:04,846 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:04:04,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:04:04,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:04:04,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:04:04,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:04:04,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:04:04,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:04:04,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:04:04,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:04:04,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:04:04,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:04:04,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:04:04,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:04:04,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:04:04,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:04:04,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:04:04,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:04:04,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:04:04,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:04:04,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:04:04,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:04:04,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:04:04,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:04:04,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:04:04,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:04:04,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:04:04,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:04:04,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:04:04,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:04:04,916 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:04:04,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label37.c [2019-08-14 11:04:04,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99c07966/17d42ef613d841e1a9e1b8a2c649ad2e/FLAGd0787d858 [2019-08-14 11:04:05,642 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:04:05,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label37.c [2019-08-14 11:04:05,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99c07966/17d42ef613d841e1a9e1b8a2c649ad2e/FLAGd0787d858 [2019-08-14 11:04:05,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99c07966/17d42ef613d841e1a9e1b8a2c649ad2e [2019-08-14 11:04:05,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:04:05,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:04:05,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:05,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:04:05,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:04:05,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7500a6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05, skipping insertion in model container [2019-08-14 11:04:05,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:04:05,953 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:04:06,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:06,788 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:04:07,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:07,117 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:04:07,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07 WrapperNode [2019-08-14 11:04:07,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:07,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:04:07,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:04:07,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:04:07,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (1/1) ... [2019-08-14 11:04:07,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:04:07,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:04:07,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:04:07,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:04:07,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:07" (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 11:04:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:04:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:04:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:04:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:04:09,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:04:09,673 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:04:09,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:09 BoogieIcfgContainer [2019-08-14 11:04:09,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:04:09,676 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:04:09,676 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:04:09,676 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:04:09,677 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:09" (1/1) ... [2019-08-14 11:04:13,504 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:13,508 INFO L168 Benchmark]: Toolchain (without parser) took 7664.17 ms. Allocated memory was 132.6 MB in the beginning and 458.2 MB in the end (delta: 325.6 MB). Free memory was 83.5 MB in the beginning and 376.3 MB in the end (delta: -292.8 MB). Peak memory consumption was 355.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,510 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.76 ms. Allocated memory was 132.6 MB in the beginning and 221.8 MB in the end (delta: 89.1 MB). Free memory was 83.3 MB in the beginning and 168.5 MB in the end (delta: -85.2 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,513 INFO L168 Benchmark]: Boogie Preprocessor took 183.48 ms. Allocated memory is still 221.8 MB. Free memory was 168.5 MB in the beginning and 154.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,516 INFO L168 Benchmark]: RCFGBuilder took 2373.12 ms. Allocated memory was 221.8 MB in the beginning and 275.3 MB in the end (delta: 53.5 MB). Free memory was 154.6 MB in the beginning and 238.3 MB in the end (delta: -83.7 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,517 INFO L168 Benchmark]: Symbolic Interpretation took 3828.92 ms. Allocated memory was 275.3 MB in the beginning and 458.2 MB in the end (delta: 183.0 MB). Free memory was 238.3 MB in the beginning and 376.3 MB in the end (delta: -138.0 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:13,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1482]: 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 59879#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (= ~a11~0 1) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1271.76 ms. Allocated memory was 132.6 MB in the beginning and 221.8 MB in the end (delta: 89.1 MB). Free memory was 83.3 MB in the beginning and 168.5 MB in the end (delta: -85.2 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.48 ms. Allocated memory is still 221.8 MB. Free memory was 168.5 MB in the beginning and 154.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2373.12 ms. Allocated memory was 221.8 MB in the beginning and 275.3 MB in the end (delta: 53.5 MB). Free memory was 154.6 MB in the beginning and 238.3 MB in the end (delta: -83.7 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3828.92 ms. Allocated memory was 275.3 MB in the beginning and 458.2 MB in the end (delta: 183.0 MB). Free memory was 238.3 MB in the beginning and 376.3 MB in the end (delta: -138.0 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...