java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:08,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:08,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:08,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:08,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:08,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:08,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:08,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:08,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:08,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:08,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:08,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:08,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:08,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:08,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:08,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:08,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:08,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:08,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:08,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:08,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:08,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:08,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:08,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:08,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:08,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:08,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:08,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:08,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:08,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:08,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:08,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:08,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:08,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:08,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:08,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:08,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:38:08,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:08,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:08,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:08,160 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:08,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:08,160 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:08,161 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:08,161 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:08,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:08,161 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:08,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:08,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:08,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:08,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:08,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:08,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:08,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:08,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:08,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:08,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:08,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:08,164 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:08,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:08,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:08,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:08,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:08,165 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:08,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:08,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:08,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:08,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:08,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:08,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:08,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:08,214 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:08,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-10-03 12:38:08,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3164d4d4f/dce3fba930bc4e42826941b8b6be5af2/FLAG25745ea4f [2019-10-03 12:38:08,726 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:08,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_2.c [2019-10-03 12:38:08,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3164d4d4f/dce3fba930bc4e42826941b8b6be5af2/FLAG25745ea4f [2019-10-03 12:38:09,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3164d4d4f/dce3fba930bc4e42826941b8b6be5af2 [2019-10-03 12:38:09,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:09,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:09,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:09,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:09,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:09,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64577d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09, skipping insertion in model container [2019-10-03 12:38:09,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,169 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:09,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:09,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:09,364 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:09,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:09,399 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:09,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09 WrapperNode [2019-10-03 12:38:09,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:09,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:09,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:09,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:09,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:09,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:09,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:09,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:09,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:09" (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 [2019-10-03 12:38:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:09,742 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:09,742 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:09,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:09 BoogieIcfgContainer [2019-10-03 12:38:09,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:09,745 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:09,745 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:09,745 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:09,746 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:09" (1/1) ... [2019-10-03 12:38:09,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:09,842 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:38:10,249 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:10,288 INFO L272 AbstractInterpreter]: Visited 19 different actions 84 times. Merged at 4 different actions 20 times. Widened at 1 different actions 3 times. Performed 98 root evaluator evaluations with a maximum evaluation depth of 9. Performed 98 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 6 fixpoints after 2 different actions. Largest state had 4 variables. [2019-10-03 12:38:10,289 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:10,298 INFO L168 Benchmark]: Toolchain (without parser) took 1137.59 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 122.1 MB in the end (delta: -36.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:10,300 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:38:10,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.37 ms. Allocated memory is still 131.6 MB. Free memory was 85.0 MB in the beginning and 76.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:10,304 INFO L168 Benchmark]: Boogie Preprocessor took 121.40 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.0 MB in the beginning and 176.0 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:10,305 INFO L168 Benchmark]: RCFGBuilder took 221.28 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 164.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:10,306 INFO L168 Benchmark]: Abstract Interpretation took 544.03 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 122.9 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:10,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.37 ms. Allocated memory is still 131.6 MB. Free memory was 85.0 MB in the beginning and 76.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.40 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 76.0 MB in the beginning and 176.0 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 221.28 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 164.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 544.03 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 122.9 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L15] unsigned int i = 0; [L16] unsigned int j = 0; [L17] unsigned int k = 0; [L19] COND TRUE k < 0x0fffffff [L20] i = i + 1 [L21] j = j + 2 [L22] k = k + 3 [L23] CALL __VERIFIER_assert((k == 3*i) && (j == 2*i)) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...