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-crafted/zero_sum2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:36:40,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:36:40,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:36:40,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:36:40,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:36:40,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:36:40,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:36:40,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:36:40,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:36:40,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:36:40,692 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:36:40,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:36:40,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:36:40,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:36:40,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:36:40,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:36:40,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:36:40,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:36:40,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:36:40,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:36:40,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:36:40,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:36:40,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:36:40,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:36:40,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:36:40,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:36:40,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:36:40,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:36:40,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:36:40,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:36:40,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:36:40,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:36:40,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:36:40,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:36:40,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:36:40,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:36:40,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:36:40,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:36:40,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:36:40,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:36:40,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:36:40,740 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 10:36:40,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:36:40,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:36:40,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:36:40,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:36:40,773 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:36:40,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:36:40,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:36:40,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:36:40,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:36:40,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:36:40,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:36:40,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:36:40,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:36:40,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:36:40,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:36:40,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:36:40,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:36:40,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:36:40,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:36:40,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:36:40,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:36:40,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:36:40,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:36:40,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:36:40,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:36:40,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:36:40,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:36:40,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:36:40,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:36:40,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:36:40,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:36:40,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:36:40,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:36:40,839 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:36:40,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-14 10:36:40,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d5967db/47d2fb2efa1e4e46b97e58c399619125/FLAGb431fcce2 [2019-08-14 10:36:41,415 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:36:41,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-14 10:36:41,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d5967db/47d2fb2efa1e4e46b97e58c399619125/FLAGb431fcce2 [2019-08-14 10:36:41,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d5967db/47d2fb2efa1e4e46b97e58c399619125 [2019-08-14 10:36:41,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:36:41,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:36:41,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:41,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:36:41,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:36:41,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:41" (1/1) ... [2019-08-14 10:36:41,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302e0dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:41, skipping insertion in model container [2019-08-14 10:36:41,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:41" (1/1) ... [2019-08-14 10:36:41,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:36:41,865 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:36:42,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:42,042 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:36:42,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:42,086 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:36:42,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42 WrapperNode [2019-08-14 10:36:42,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:42,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:36:42,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:36:42,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:36:42,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:42,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:36:42,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:36:42,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:36:42,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:36:42,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:42" (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 10:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:36:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:36:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:36:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 10:36:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 10:36:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:36:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:36:42,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:36:42,573 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-14 10:36:42,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:42 BoogieIcfgContainer [2019-08-14 10:36:42,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:36:42,575 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:36:42,575 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:36:42,576 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:36:42,577 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:42" (1/1) ... [2019-08-14 10:36:43,107 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:36:43,110 INFO L168 Benchmark]: Toolchain (without parser) took 1278.52 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.4 MB in the beginning and 130.6 MB in the end (delta: -44.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,112 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.64 ms. Allocated memory is still 132.1 MB. Free memory was 86.1 MB in the beginning and 75.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,117 INFO L168 Benchmark]: Boogie Preprocessor took 128.42 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 75.9 MB in the beginning and 174.6 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,118 INFO L168 Benchmark]: RCFGBuilder took 358.22 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 158.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,119 INFO L168 Benchmark]: Symbolic Interpretation took 531.63 ms. Allocated memory is still 199.2 MB. Free memory was 158.2 MB in the beginning and 130.6 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:43,122 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 282#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__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 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.64 ms. Allocated memory is still 132.1 MB. Free memory was 86.1 MB in the beginning and 75.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.42 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 75.9 MB in the beginning and 174.6 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.22 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 158.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 531.63 ms. Allocated memory is still 199.2 MB. Free memory was 158.2 MB in the beginning and 130.6 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...