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_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:59:44,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:59:44,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:59:44,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:59:44,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:59:44,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:59:44,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:59:44,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:59:44,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:59:44,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:59:44,773 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:59:44,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:59:44,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:59:44,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:59:44,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:59:44,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:59:44,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:59:44,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:59:44,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:59:44,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:59:44,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:59:44,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:59:44,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:59:44,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:59:44,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:59:44,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:59:44,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:59:44,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:59:44,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:59:44,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:59:44,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:59:44,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:59:44,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:59:44,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:59:44,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:59:44,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:59:44,820 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 [2019-08-08 09:59:44,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:59:44,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:59:44,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:59:44,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:59:44,863 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:59:44,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:59:44,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:59:44,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:59:44,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:59:44,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:59:44,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:59:44,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:59:44,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:59:44,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:59:44,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:59:44,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:59:44,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:59:44,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:59:44,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:59:44,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:59:44,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:59:44,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:59:44,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:59:44,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:59:44,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:59:44,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:59:44,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:59:44,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:59:44,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:59:44,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:59:44,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:59:44,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:59:44,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:59:44,943 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:59:44,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2019-08-08 09:59:45,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146093055/bf66d78b150a47e895aced031e2f852d/FLAGe1717861c [2019-08-08 09:59:45,636 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:59:45,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2019-08-08 09:59:45,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146093055/bf66d78b150a47e895aced031e2f852d/FLAGe1717861c [2019-08-08 09:59:45,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146093055/bf66d78b150a47e895aced031e2f852d [2019-08-08 09:59:45,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:59:45,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:59:45,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:45,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:59:45,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:59:45,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:45" (1/1) ... [2019-08-08 09:59:45,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f371bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:45, skipping insertion in model container [2019-08-08 09:59:45,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:59:45" (1/1) ... [2019-08-08 09:59:45,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:59:45,982 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:59:46,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:46,585 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:59:46,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:59:46,733 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:59:46,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46 WrapperNode [2019-08-08 09:59:46,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:59:46,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:59:46,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:59:46,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:59:46,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (1/1) ... [2019-08-08 09:59:46,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:59:46,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:59:46,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:59:46,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:59:46,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:59:46" (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 [2019-08-08 09:59:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:59:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:59:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:59:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:59:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:59:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:59:50,108 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:59:50,109 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:59:50,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:50 BoogieIcfgContainer [2019-08-08 09:59:50,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:59:50,111 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:59:50,111 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:59:50,111 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:59:50,112 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:59:50" (1/1) ... [2019-08-08 09:59:50,125 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:59:50,128 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:59:50,138 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:59:50,146 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:59:50,148 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:59:50,219 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:59:51,630 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:59:51,821 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:59:51,823 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:59:51,826 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 28702#(and (not (= ~a20~0 1)) (= 13 ~a8~0) (= ~a12~0 8) (= ~a17~0 1) (not (= 1 ~a7~0)) (= ~a21~0 1) (= ~a16~0 5)) [2019-08-08 09:59:51,828 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:59:51,837 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:59:51,840 INFO L168 Benchmark]: Toolchain (without parser) took 5939.54 ms. Allocated memory was 140.5 MB in the beginning and 330.3 MB in the end (delta: 189.8 MB). Free memory was 87.2 MB in the beginning and 234.6 MB in the end (delta: -147.4 MB). Peak memory consumption was 130.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,842 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.62 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 87.0 MB in the beginning and 168.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,844 INFO L168 Benchmark]: Boogie Preprocessor took 153.12 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 163.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,847 INFO L168 Benchmark]: RCFGBuilder took 3222.75 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 163.1 MB in the beginning and 180.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,848 INFO L168 Benchmark]: Symbolic Interpretation took 1725.89 ms. Allocated memory was 228.6 MB in the beginning and 330.3 MB in the end (delta: 101.7 MB). Free memory was 180.6 MB in the beginning and 234.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-08-08 09:59:51,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 521]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 831.62 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 87.0 MB in the beginning and 168.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.12 ms. Allocated memory is still 202.9 MB. Free memory was 168.3 MB in the beginning and 163.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3222.75 ms. Allocated memory was 202.9 MB in the beginning and 228.6 MB in the end (delta: 25.7 MB). Free memory was 163.1 MB in the beginning and 180.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1725.89 ms. Allocated memory was 228.6 MB in the beginning and 330.3 MB in the end (delta: 101.7 MB). Free memory was 180.6 MB in the beginning and 234.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...