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/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:36,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:36,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:36,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:36,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:36,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:36,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:36,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:36,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:36,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:36,463 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:36,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:36,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:36,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:36,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:36,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:36,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:36,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:36,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:36,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:36,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:36,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:36,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:36,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:36,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:36,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:01:36,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:01:36,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:01:36,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:01:36,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:01:36,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:01:36,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:01:36,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:01:36,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:36,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:36,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:36,503 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 02:01:36,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:36,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:36,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:36,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:36,531 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:36,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:36,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:36,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:36,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:36,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:36,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:36,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:36,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:36,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:36,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:36,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:36,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:36,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:36,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:36,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:36,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:36,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:36,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:36,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:36,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:36,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:36,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:36,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:36,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:36,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:36,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:36,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:36,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:36,614 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:36,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-08-10 02:01:36,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174b5412e/51536a76f140400b8018bedc2568fa12/FLAG1cd96f2e0 [2019-08-10 02:01:37,128 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:37,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-08-10 02:01:37,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174b5412e/51536a76f140400b8018bedc2568fa12/FLAG1cd96f2e0 [2019-08-10 02:01:37,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174b5412e/51536a76f140400b8018bedc2568fa12 [2019-08-10 02:01:37,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:37,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:37,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:37,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:37,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:37,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46669f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37, skipping insertion in model container [2019-08-10 02:01:37,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:37,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:37,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:37,747 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:37,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:37,903 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:37,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37 WrapperNode [2019-08-10 02:01:37,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:37,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:37,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:37,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:37,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:37,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:37,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:37,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:37,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (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 02:01:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 02:01:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-10 02:01:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 02:01:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 02:01:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-10 02:01:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:38,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:38,428 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:01:38,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38 BoogieIcfgContainer [2019-08-10 02:01:38,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:38,430 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:38,430 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:38,430 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:38,431 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,942 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-08-10 02:01:39,214 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-10 02:01:39,364 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-10 02:01:39,654 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2019-08-10 02:01:39,742 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:39,749 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:39,752 INFO L168 Benchmark]: Toolchain (without parser) took 2249.04 ms. Allocated memory was 132.1 MB in the beginning and 221.8 MB in the end (delta: 89.7 MB). Free memory was 87.9 MB in the beginning and 177.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,754 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:01:39,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.72 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 175.8 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,758 INFO L168 Benchmark]: Boogie Preprocessor took 82.17 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 173.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,759 INFO L168 Benchmark]: RCFGBuilder took 437.28 ms. Allocated memory is still 198.7 MB. Free memory was 173.5 MB in the beginning and 156.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,761 INFO L168 Benchmark]: Symbolic Interpretation took 1319.73 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.2 MB in the beginning and 177.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 50]: 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 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 403.72 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 175.8 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.17 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 173.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 437.28 ms. Allocated memory is still 198.7 MB. Free memory was 173.5 MB in the beginning and 156.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1319.73 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.2 MB in the beginning and 177.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...