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-lit/gsv2008.c.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:26:14,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:26:14,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:26:14,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:26:14,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:26:14,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:26:14,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:26:14,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:26:14,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:26:14,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:26:14,568 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:26:14,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:26:14,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:26:14,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:26:14,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:26:14,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:26:14,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:26:14,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:26:14,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:26:14,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:26:14,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:26:14,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:26:14,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:26:14,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:26:14,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:26:14,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:26:14,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:26:14,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:26:14,596 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 02:26:14,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:26:14,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:26:14,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:26:14,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:26:14,625 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:26:14,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:26:14,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:26:14,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:26:14,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:26:14,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:26:14,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:26:14,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:26:14,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:26:14,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:26:14,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:26:14,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:26:14,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:26:14,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:26:14,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:26:14,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:26:14,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:26:14,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:14,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:26:14,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:26:14,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:26:14,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:26:14,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:26:14,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:26:14,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:26:14,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:26:14,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:26:14,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:26:14,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:26:14,682 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:26:14,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-08-10 02:26:14,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5f49e2/22549beb1d44415f9307e00896052c48/FLAG96ab5a671 [2019-08-10 02:26:15,195 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:26:15,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-08-10 02:26:15,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5f49e2/22549beb1d44415f9307e00896052c48/FLAG96ab5a671 [2019-08-10 02:26:15,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c5f49e2/22549beb1d44415f9307e00896052c48 [2019-08-10 02:26:15,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:26:15,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:26:15,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:15,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:26:15,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:26:15,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c7073a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15, skipping insertion in model container [2019-08-10 02:26:15,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,614 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:26:15,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:26:15,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:15,776 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:26:15,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:15,804 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:26:15,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15 WrapperNode [2019-08-10 02:26:15,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:15,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:26:15,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:26:15,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:26:15,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (1/1) ... [2019-08-10 02:26:15,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:26:15,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:26:15,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:26:15,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:26:15,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:15" (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 02:26:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:26:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:26:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:26:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:26:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:26:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:26:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:26:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:26:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:26:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:26:16,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:26:16,125 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:26:16,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:16 BoogieIcfgContainer [2019-08-10 02:26:16,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:26:16,133 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:26:16,134 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:26:16,134 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:26:16,135 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:16" (1/1) ... [2019-08-10 02:26:16,346 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:26:16,353 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:26:16,356 INFO L168 Benchmark]: Toolchain (without parser) took 756.61 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 159.3 MB in the end (delta: -70.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:26:16,357 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-10 02:26:16,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.88 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 79.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:16,360 INFO L168 Benchmark]: Boogie Preprocessor took 22.74 ms. Allocated memory is still 132.6 MB. Free memory was 79.0 MB in the beginning and 77.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:16,361 INFO L168 Benchmark]: RCFGBuilder took 298.14 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.5 MB in the beginning and 165.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:16,362 INFO L168 Benchmark]: Symbolic Interpretation took 219.66 ms. Allocated memory is still 199.2 MB. Free memory was 165.9 MB in the beginning and 159.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:16,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 43]: 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 32#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 205.88 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 79.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.74 ms. Allocated memory is still 132.6 MB. Free memory was 79.0 MB in the beginning and 77.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.14 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.5 MB in the beginning and 165.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 219.66 ms. Allocated memory is still 199.2 MB. Free memory was 165.9 MB in the beginning and 159.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...