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/loop-acceleration/phases_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:24:13,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:24:13,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:24:13,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:24:13,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:24:13,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:24:13,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:24:13,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:24:13,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:24:13,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:24:13,780 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:24:13,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:24:13,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:24:13,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:24:13,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:24:13,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:24:13,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:24:13,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:24:13,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:24:13,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:24:13,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:24:13,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:24:13,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:24:13,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:24:13,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:24:13,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:24:13,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:24:13,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:24:13,805 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 02:24:13,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:24:13,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:24:13,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:24:13,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:24:13,827 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:24:13,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:24:13,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:24:13,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:24:13,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:24:13,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:24:13,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:24:13,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:24:13,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:24:13,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:24:13,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:24:13,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:24:13,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:24:13,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:24:13,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:24:13,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:24:13,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:24:13,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:24:13,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:24:13,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:24:13,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:24:13,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:24:13,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:24:13,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:24:13,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:24:13,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:24:13,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:24:13,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:24:13,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:24:13,898 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:24:13,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-08-10 02:24:13,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7afe36f0/1a03b9b254a44e83846af56d00bc07dc/FLAG8fe880aa8 [2019-08-10 02:24:14,398 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:24:14,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-08-10 02:24:14,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7afe36f0/1a03b9b254a44e83846af56d00bc07dc/FLAG8fe880aa8 [2019-08-10 02:24:14,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7afe36f0/1a03b9b254a44e83846af56d00bc07dc [2019-08-10 02:24:14,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:24:14,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:24:14,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:14,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:24:14,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:24:14,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:14" (1/1) ... [2019-08-10 02:24:14,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d830cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:14, skipping insertion in model container [2019-08-10 02:24:14,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:14" (1/1) ... [2019-08-10 02:24:14,819 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:24:14,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:24:15,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:15,008 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:24:15,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:15,047 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:24:15,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15 WrapperNode [2019-08-10 02:24:15,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:15,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:24:15,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:24:15,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:24:15,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:24:15,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:24:15,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:24:15,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:24:15,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:15" (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 02:24:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:24:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:24:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:24:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:24:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:24:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:24:15,377 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:24:15,377 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:24:15,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:15 BoogieIcfgContainer [2019-08-10 02:24:15,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:24:15,379 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:24:15,380 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:24:15,380 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:24:15,387 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:15" (1/1) ... [2019-08-10 02:24:15,585 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:24:15,595 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:24:15,598 INFO L168 Benchmark]: Toolchain (without parser) took 791.42 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 155.9 MB in the end (delta: -69.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:15,598 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:15,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.13 ms. Allocated memory is still 132.1 MB. Free memory was 86.6 MB in the beginning and 77.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:15,600 INFO L168 Benchmark]: Boogie Preprocessor took 107.31 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.2 MB in the beginning and 174.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:15,601 INFO L168 Benchmark]: RCFGBuilder took 223.36 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 164.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:15,602 INFO L168 Benchmark]: Symbolic Interpretation took 215.49 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 155.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:15,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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 37#(and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.13 ms. Allocated memory is still 132.1 MB. Free memory was 86.6 MB in the beginning and 77.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.31 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.2 MB in the beginning and 174.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.36 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 164.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 215.49 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 155.9 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...