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/loops/compact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:20:29,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:20:29,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:20:29,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:20:29,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:20:29,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:20:29,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:20:29,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:20:29,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:20:29,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:20:29,735 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:20:29,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:20:29,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:20:29,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:20:29,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:20:29,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:20:29,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:20:29,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:20:29,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:20:29,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:20:29,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:20:29,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:20:29,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:20:29,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:20:29,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:20:29,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:20:29,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:20:29,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:20:29,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:20:29,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:20:29,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:20:29,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:20:29,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:20:29,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:20:29,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:20:29,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:20:29,761 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 [2019-08-10 02:20:29,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:20:29,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:20:29,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:20:29,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:20:29,777 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:20:29,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:20:29,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:20:29,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:20:29,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:20:29,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:20:29,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:20:29,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:20:29,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:20:29,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:20:29,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:20:29,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:20:29,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:20:29,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:20:29,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:20:29,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:20:29,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:20:29,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:20:29,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:20:29,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:20:29,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:20:29,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:20:29,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:20:29,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:20:29,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:20:29,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:20:29,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:20:29,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:20:29,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:20:29,827 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:20:29,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/compact.c [2019-08-10 02:20:29,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b91fda493/50213e9013d04dc296bf63abf4a2e641/FLAGa69605ab5 [2019-08-10 02:20:30,354 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:20:30,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/compact.c [2019-08-10 02:20:30,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b91fda493/50213e9013d04dc296bf63abf4a2e641/FLAGa69605ab5 [2019-08-10 02:20:30,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b91fda493/50213e9013d04dc296bf63abf4a2e641 [2019-08-10 02:20:30,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:20:30,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:20:30,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:20:30,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:20:30,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:20:30,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21acba87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30, skipping insertion in model container [2019-08-10 02:20:30,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,408 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:20:30,423 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:20:30,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:20:30,614 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:20:30,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:20:30,754 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:20:30,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30 WrapperNode [2019-08-10 02:20:30,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:20:30,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:20:30,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:20:30,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:20:30,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (1/1) ... [2019-08-10 02:20:30,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:20:30,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:20:30,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:20:30,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:20:30,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:20:30" (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 [2019-08-10 02:20:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:20:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:20:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:20:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:20:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 02:20:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:20:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:20:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:20:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:20:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:20:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:20:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:20:31,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:20:31,051 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 02:20:31,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:20:31 BoogieIcfgContainer [2019-08-10 02:20:31,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:20:31,054 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:20:31,054 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:20:31,054 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:20:31,055 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:20:31" (1/1) ... [2019-08-10 02:20:31,555 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 02:20:31,625 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:20:31,631 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:20:31,633 INFO L168 Benchmark]: Toolchain (without parser) took 1241.68 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 130.6 MB in the end (delta: -43.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,634 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.56 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 180.4 MB in the end (delta: -93.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,636 INFO L168 Benchmark]: Boogie Preprocessor took 51.18 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 178.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,637 INFO L168 Benchmark]: RCFGBuilder took 247.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.1 MB in the beginning and 164.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,638 INFO L168 Benchmark]: Symbolic Interpretation took 577.40 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 130.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:20:31,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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. Predicate is 69#(not (< (mod main_~i~0 4294967296) 102400)). 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 134.7 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.56 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 180.4 MB in the end (delta: -93.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.18 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 178.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.1 MB in the beginning and 164.0 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 577.40 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 130.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...