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/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:41:33,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:41:33,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:41:33,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:41:33,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:41:33,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:41:33,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:41:33,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:41:33,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:41:33,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:41:33,636 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:41:33,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:41:33,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:41:33,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:41:33,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:41:33,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:41:33,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:41:33,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:41:33,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:41:33,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:41:33,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:41:33,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:41:33,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:41:33,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:41:33,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:41:33,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:41:33,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:41:33,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:41:33,680 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 20:41:33,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:41:33,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:41:33,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:41:33,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:41:33,712 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:41:33,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:41:33,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:41:33,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:41:33,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:41:33,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:41:33,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:41:33,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:41:33,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:41:33,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:41:33,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:41:33,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:41:33,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:41:33,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:41:33,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:41:33,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:41:33,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:41:33,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:41:33,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:41:33,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:41:33,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:41:33,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:41:33,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:41:33,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:41:33,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:41:33,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:41:33,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:41:33,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:41:33,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:41:33,765 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:41:33,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-14 20:41:33,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11d1bf24/3a49bf6a2e044770b8b705d6316c492a/FLAG343b4db33 [2019-08-14 20:41:34,254 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:41:34,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-14 20:41:34,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11d1bf24/3a49bf6a2e044770b8b705d6316c492a/FLAG343b4db33 [2019-08-14 20:41:34,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11d1bf24/3a49bf6a2e044770b8b705d6316c492a [2019-08-14 20:41:34,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:41:34,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:41:34,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:34,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:41:34,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:41:34,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cdc2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34, skipping insertion in model container [2019-08-14 20:41:34,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:41:34,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:41:34,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:34,793 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:41:34,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:34,819 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:41:34,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34 WrapperNode [2019-08-14 20:41:34,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:34,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:41:34,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:41:34,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:41:34,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (1/1) ... [2019-08-14 20:41:34,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:41:34,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:41:34,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:41:34,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:41:34,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:34" (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 20:41:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:41:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:41:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:41:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-14 20:41:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:41:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:41:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:41:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-14 20:41:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:41:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:41:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:41:35,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:41:35,141 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:41:35,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:35 BoogieIcfgContainer [2019-08-14 20:41:35,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:41:35,143 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:41:35,143 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:41:35,143 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:41:35,144 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:35" (1/1) ... [2019-08-14 20:41:35,284 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:41:35,287 INFO L168 Benchmark]: Toolchain (without parser) took 669.43 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 87.6 MB in the beginning and 159.7 MB in the end (delta: -72.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:41:35,288 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:41:35,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.46 ms. Allocated memory is still 131.1 MB. Free memory was 87.4 MB in the beginning and 78.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:35,290 INFO L168 Benchmark]: Boogie Preprocessor took 110.53 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 78.3 MB in the beginning and 176.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:35,291 INFO L168 Benchmark]: RCFGBuilder took 211.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 166.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:35,292 INFO L168 Benchmark]: Symbolic Interpretation took 141.57 ms. Allocated memory is still 199.2 MB. Free memory was 166.2 MB in the beginning and 159.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:35,296 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 54#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__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 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 202.46 ms. Allocated memory is still 131.1 MB. Free memory was 87.4 MB in the beginning and 78.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.53 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 78.3 MB in the beginning and 176.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 211.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 166.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 141.57 ms. Allocated memory is still 199.2 MB. Free memory was 166.2 MB in the beginning and 159.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...