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_sum_m4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:36:48,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:36:48,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:36:48,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:36:48,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:36:48,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:36:48,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:36:48,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:36:48,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:36:48,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:36:48,190 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:36:48,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:36:48,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:36:48,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:36:48,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:36:48,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:36:48,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:36:48,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:36:48,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:36:48,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:36:48,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:36:48,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:36:48,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:36:48,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:36:48,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 10:36:48,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 10:36:48,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 10:36:48,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 10:36:48,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 10:36:48,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 10:36:48,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:36:48,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:36:48,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:36:48,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:36:48,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:36:48,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:36:48,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:36:48,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:36:48,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:36:48,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:36:48,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:36:48,229 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 10:36:48,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:36:48,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:36:48,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:36:48,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:36:48,244 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:36:48,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:36:48,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:36:48,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:36:48,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:36:48,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:36:48,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:36:48,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:36:48,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:36:48,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:36:48,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:36:48,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:36:48,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:36:48,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:36:48,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:36:48,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:36:48,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:36:48,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:36:48,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:36:48,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:36:48,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:36:48,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:36:48,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:36:48,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:36:48,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:36:48,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:36:48,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:36:48,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:36:48,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:36:48,300 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:36:48,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_m4.c [2019-08-14 10:36:48,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e8d2079/94b78528a4214c239d397176ed6bdcae/FLAGf45501cbc [2019-08-14 10:36:48,808 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:36:48,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_m4.c [2019-08-14 10:36:48,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e8d2079/94b78528a4214c239d397176ed6bdcae/FLAGf45501cbc [2019-08-14 10:36:48,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e8d2079/94b78528a4214c239d397176ed6bdcae [2019-08-14 10:36:48,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:36:48,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:36:48,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:48,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:36:48,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:36:48,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:48" (1/1) ... [2019-08-14 10:36:48,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa84737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:48, skipping insertion in model container [2019-08-14 10:36:48,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:36:48" (1/1) ... [2019-08-14 10:36:48,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:36:48,883 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:36:49,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:49,114 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:36:49,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:36:49,191 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:36:49,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49 WrapperNode [2019-08-14 10:36:49,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:36:49,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:36:49,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:36:49,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:36:49,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:49,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:36:49,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:36:49,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:36:49,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:36:49,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:36:49" (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 10:36:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:36:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:36:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 10:36:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:36:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:36:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 10:36:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 10:36:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-14 10:36:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:36:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:36:49,761 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:36:49,762 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-14 10:36:49,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:49 BoogieIcfgContainer [2019-08-14 10:36:49,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:36:49,763 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:36:49,764 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:36:49,764 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:36:49,765 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:36:49" (1/1) ... [2019-08-14 10:36:50,571 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:36:50,574 INFO L168 Benchmark]: Toolchain (without parser) took 1729.52 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 86.7 MB in the beginning and 98.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:50,575 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 10:36:50,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.80 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 76.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:50,579 INFO L168 Benchmark]: Boogie Preprocessor took 157.63 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 76.1 MB in the beginning and 175.3 MB in the end (delta: -99.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:50,581 INFO L168 Benchmark]: RCFGBuilder took 412.09 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 155.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:50,582 INFO L168 Benchmark]: Symbolic Interpretation took 807.43 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 98.2 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2019-08-14 10:36:50,590 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 998#(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 0.17 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 348.80 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 76.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.63 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 76.1 MB in the beginning and 175.3 MB in the end (delta: -99.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 412.09 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 155.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 807.43 ms. Allocated memory is still 199.8 MB. Free memory was 155.0 MB in the beginning and 98.2 MB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...