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-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:12:45,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:12:45,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:12:45,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:12:45,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:12:45,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:12:45,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:12:45,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:12:45,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:12:45,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:12:45,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:12:45,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:12:45,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:12:45,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:12:45,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:12:45,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:12:45,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:12:45,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:12:45,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:12:45,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:12:45,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:12:45,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:12:45,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:12:45,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:12:45,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:12:45,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:12:45,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:12:45,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:12:45,646 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 [2019-09-11 16:12:45,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:12:45,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:12:45,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:12:45,663 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:12:45,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:12:45,664 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:12:45,664 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:12:45,665 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:12:45,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:12:45,665 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:12:45,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:12:45,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:12:45,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:12:45,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:12:45,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:12:45,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:12:45,668 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:12:45,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:12:45,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:12:45,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:12:45,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:12:45,669 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:12:45,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:12:45,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:12:45,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:12:45,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:12:45,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:12:45,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:12:45,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:12:45,717 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:12:45,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-11 16:12:45,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95564ee37/b7c80c4012c14c3f94d4ad4734d0a467/FLAGa8268c64d [2019-09-11 16:12:46,189 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:12:46,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-11 16:12:46,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95564ee37/b7c80c4012c14c3f94d4ad4734d0a467/FLAGa8268c64d [2019-09-11 16:12:46,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95564ee37/b7c80c4012c14c3f94d4ad4734d0a467 [2019-09-11 16:12:46,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:12:46,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:12:46,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:12:46,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:12:46,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:12:46,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8518d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46, skipping insertion in model container [2019-09-11 16:12:46,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,593 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:12:46,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:12:46,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:12:46,784 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:12:46,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:12:46,811 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:12:46,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46 WrapperNode [2019-09-11 16:12:46,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:12:46,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:12:46,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:12:46,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:12:46,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (1/1) ... [2019-09-11 16:12:46,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:12:46,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:12:46,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:12:46,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:12:46,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:12:46" (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 [2019-09-11 16:12:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:12:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:12:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:12:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:12:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:12:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:12:47,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:12:47,202 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-11 16:12:47,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:12:47 BoogieIcfgContainer [2019-09-11 16:12:47,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:12:47,213 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:12:47,213 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:12:47,214 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:12:47,215 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:12:47" (1/1) ... [2019-09-11 16:12:47,263 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:12:47,569 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:12:47,588 INFO L272 AbstractInterpreter]: Visited 27 different actions 193 times. Merged at 10 different actions 42 times. Widened at 3 different actions 4 times. Performed 220 root evaluator evaluations with a maximum evaluation depth of 7. Performed 220 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 7 fixpoints after 3 different actions. Largest state had 9 variables. [2019-09-11 16:12:47,589 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:12:47,592 INFO L168 Benchmark]: Toolchain (without parser) took 1014.55 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 90.8 MB in the beginning and 151.2 MB in the end (delta: -60.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:12:47,593 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:12:47,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.66 ms. Allocated memory is still 142.6 MB. Free memory was 90.6 MB in the beginning and 81.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:12:47,595 INFO L168 Benchmark]: Boogie Preprocessor took 128.38 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 81.3 MB in the beginning and 179.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:12:47,596 INFO L168 Benchmark]: RCFGBuilder took 270.98 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 167.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:12:47,597 INFO L168 Benchmark]: Abstract Interpretation took 375.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 151.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:12:47,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.66 ms. Allocated memory is still 142.6 MB. Free memory was 90.6 MB in the beginning and 81.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.38 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 81.3 MB in the beginning and 179.9 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.98 ms. Allocated memory is still 201.9 MB. Free memory was 179.9 MB in the beginning and 167.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 375.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 151.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 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 offset, length, nlen = __VERIFIER_nondet_int(); [L11] int offset, length, nlen = __VERIFIER_nondet_int(); [L12] int i, j; [L13] i=0 [L13] COND TRUE i