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/array-examples/standard_copy1_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:35:01,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:35:01,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:35:01,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:35:01,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:35:01,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:35:01,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:35:01,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:35:01,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:35:01,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:35:01,545 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:35:01,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:35:01,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:35:01,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:35:01,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:35:01,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:35:01,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:35:01,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:35:01,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:35:01,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:35:01,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:35:01,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:35:01,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:35:01,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:35:01,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:35:01,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:35:01,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:35:01,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:35:01,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:35:01,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:35:01,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:35:01,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:35:01,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:35:01,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:35:01,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:35:01,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:35:01,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:35:01,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:35:01,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:35:01,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:35:01,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:35:01,582 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 10:35:01,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:35:01,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:35:01,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:35:01,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:35:01,607 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:35:01,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:35:01,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:35:01,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:35:01,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:35:01,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:35:01,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:35:01,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:35:01,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:35:01,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:35:01,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:35:01,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:35:01,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:35:01,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:35:01,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:35:01,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:35:01,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:35:01,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:35:01,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:35:01,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:35:01,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:35:01,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:35:01,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:35:01,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:35:01,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:35:01,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:35:01,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:35:01,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:35:01,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:35:01,673 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:35:01,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy1_ground-1.i [2019-08-14 10:35:01,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36211b49d/8d36177aa1bf466d8a3addb53d0bfab5/FLAGacac8bcd2 [2019-08-14 10:35:02,159 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:35:02,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy1_ground-1.i [2019-08-14 10:35:02,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36211b49d/8d36177aa1bf466d8a3addb53d0bfab5/FLAGacac8bcd2 [2019-08-14 10:35:02,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36211b49d/8d36177aa1bf466d8a3addb53d0bfab5 [2019-08-14 10:35:02,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:35:02,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:35:02,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:35:02,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:35:02,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:35:02,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7107cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02, skipping insertion in model container [2019-08-14 10:35:02,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,601 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:35:02,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:35:02,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:35:02,814 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:35:02,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:35:02,858 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:35:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02 WrapperNode [2019-08-14 10:35:02,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:35:02,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:35:02,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:35:02,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:35:02,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (1/1) ... [2019-08-14 10:35:02,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:35:02,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:35:02,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:35:02,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:35:02,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:35:02" (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 10:35:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:35:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:35:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:35:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 10:35:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 10:35:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 10:35:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 10:35:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:35:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:35:03,249 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:35:03,250 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-14 10:35:03,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:35:03 BoogieIcfgContainer [2019-08-14 10:35:03,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:35:03,251 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:35:03,252 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:35:03,252 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:35:03,253 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:35:03" (1/1) ... [2019-08-14 10:35:03,856 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-08-14 10:35:04,413 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-08-14 10:35:04,577 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2019-08-14 10:35:04,665 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:35:04,669 INFO L168 Benchmark]: Toolchain (without parser) took 2081.25 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 85.4 MB in the beginning and 157.4 MB in the end (delta: -72.0 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:04,670 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 138.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:35:04,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.56 ms. Allocated memory is still 138.9 MB. Free memory was 85.4 MB in the beginning and 75.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:04,674 INFO L168 Benchmark]: Boogie Preprocessor took 137.12 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:04,676 INFO L168 Benchmark]: RCFGBuilder took 254.75 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 161.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:04,682 INFO L168 Benchmark]: Symbolic Interpretation took 1413.44 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.4 MB in the beginning and 157.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-08-14 10:35:04,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 117#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 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 0.44 ms. Allocated memory is still 138.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.56 ms. Allocated memory is still 138.9 MB. Free memory was 85.4 MB in the beginning and 75.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.12 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.75 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 161.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1413.44 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 161.4 MB in the beginning and 157.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...