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-lit/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:43,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:43,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:43,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:43,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:43,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:43,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:43,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:43,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:43,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:43,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:43,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:43,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:43,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:43,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:43,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:43,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:43,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:43,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:43,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:43,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:43,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:43,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:43,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:43,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:43,660 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 [2019-09-20 13:47:43,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:43,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:43,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:43,674 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:43,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:43,675 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:43,675 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:43,676 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:43,676 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:43,676 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:43,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:43,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:43,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:43,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:43,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:43,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:43,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:43,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:43,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:43,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:43,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:43,679 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:43,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:43,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:43,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:43,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:43,680 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:43,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:43,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:43,680 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:43,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:43,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:43,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:43,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:43,726 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:43,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-20 13:47:43,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5eb550dd/0f567754e60845a697dbf9b3ae0a74a8/FLAGe3863f833 [2019-09-20 13:47:44,247 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:44,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-20 13:47:44,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5eb550dd/0f567754e60845a697dbf9b3ae0a74a8/FLAGe3863f833 [2019-09-20 13:47:44,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5eb550dd/0f567754e60845a697dbf9b3ae0a74a8 [2019-09-20 13:47:44,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:44,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:44,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:44,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:44,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:44,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62afc45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44, skipping insertion in model container [2019-09-20 13:47:44,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:44,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:44,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:44,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:44,915 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:44,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:44,950 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:44,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44 WrapperNode [2019-09-20 13:47:44,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:44,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:44,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:44,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:45,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (1/1) ... [2019-09-20 13:47:45,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:45,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:45,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:45,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:45,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:44" (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 [2019-09-20 13:47:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:45,361 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:45,362 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:45,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:45 BoogieIcfgContainer [2019-09-20 13:47:45,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:45,364 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:45,364 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:45,365 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:45,365 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:45" (1/1) ... [2019-09-20 13:47:45,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:45,988 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:46,034 INFO L272 AbstractInterpreter]: Visited 30 different actions 305 times. Merged at 15 different actions 132 times. Widened at 1 different actions 5 times. Performed 611 root evaluator evaluations with a maximum evaluation depth of 6. Performed 611 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 51 fixpoints after 6 different actions. Largest state had 8 variables. [2019-09-20 13:47:46,037 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:46,045 INFO L168 Benchmark]: Toolchain (without parser) took 1385.79 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 88.2 MB in the beginning and 133.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,047 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.37 ms. Allocated memory is still 138.4 MB. Free memory was 87.9 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,054 INFO L168 Benchmark]: Boogie Preprocessor took 139.33 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 78.4 MB in the beginning and 177.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,058 INFO L168 Benchmark]: RCFGBuilder took 272.21 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 164.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,060 INFO L168 Benchmark]: Abstract Interpretation took 673.32 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 133.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:46,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.37 ms. Allocated memory is still 138.4 MB. Free memory was 87.9 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.33 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 78.4 MB in the beginning and 177.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 272.21 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 164.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 673.32 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 133.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) [L28] CALL __VERIFIER_assert(x >= 4 && y <= 2) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...