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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:39:08,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:39:08,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:39:08,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:39:08,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:39:08,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:39:08,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:39:08,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:39:08,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:39:08,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:39:08,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:39:08,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:39:08,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:39:08,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:39:08,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:39:08,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:39:08,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:39:08,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:39:08,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:39:08,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:39:08,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:39:08,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:39:08,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:39:08,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:39:08,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:39:08,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:39:08,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:39:08,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:39:08,789 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 [2019-10-14 00:39:08,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:39:08,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:39:08,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:39:08,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:39:08,827 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:39:08,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:39:08,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:39:08,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:39:08,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:39:08,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:39:08,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:39:08,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:39:08,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:39:08,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:39:08,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:39:08,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:39:08,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:39:08,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:39:08,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:39:08,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:39:08,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:39:08,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:39:08,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:39:08,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:39:08,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:39:08,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:39:08,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:39:08,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:39:08,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:39:09,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:39:09,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:39:09,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:39:09,145 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:39:09,146 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:39:09,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-14 00:39:09,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ef4c086/1e6fa67902fc48b69a6a5e8b6f38813c/FLAGc036cca7c [2019-10-14 00:39:09,676 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:39:09,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.p+cfa-reducer.c [2019-10-14 00:39:09,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ef4c086/1e6fa67902fc48b69a6a5e8b6f38813c/FLAGc036cca7c [2019-10-14 00:39:10,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ef4c086/1e6fa67902fc48b69a6a5e8b6f38813c [2019-10-14 00:39:10,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:39:10,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:39:10,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:10,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:39:10,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:39:10,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c679016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10, skipping insertion in model container [2019-10-14 00:39:10,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:39:10,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:39:10,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:10,264 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:39:10,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:39:10,300 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:39:10,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10 WrapperNode [2019-10-14 00:39:10,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:39:10,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:39:10,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:39:10,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:39:10,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:39:10,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:39:10,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:39:10,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:39:10,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:10" (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 [2019-10-14 00:39:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:39:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:39:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:39:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:39:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:39:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:39:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:39:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:39:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:39:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:39:10,656 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:39:10,656 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:39:10,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:10 BoogieIcfgContainer [2019-10-14 00:39:10,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:39:10,658 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:39:10,659 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:39:10,659 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:39:10,660 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:10" (1/1) ... [2019-10-14 00:39:10,691 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:39:10,930 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:39:10,950 INFO L272 AbstractInterpreter]: Visited 19 different actions 65 times. Merged at 7 different actions 35 times. Widened at 1 different actions 3 times. Performed 147 root evaluator evaluations with a maximum evaluation depth of 4. Performed 147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 8 fixpoints after 2 different actions. Largest state had 11 variables. [2019-10-14 00:39:10,950 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:39:10,954 INFO L168 Benchmark]: Toolchain (without parser) took 916.90 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 104.3 MB in the beginning and 163.5 MB in the end (delta: -59.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,955 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.85 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 94.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,957 INFO L168 Benchmark]: Boogie Preprocessor took 127.09 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 94.7 MB in the beginning and 184.5 MB in the end (delta: -89.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,958 INFO L168 Benchmark]: RCFGBuilder took 229.31 ms. Allocated memory is still 205.0 MB. Free memory was 184.5 MB in the beginning and 172.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,959 INFO L168 Benchmark]: Abstract Interpretation took 292.19 ms. Allocated memory is still 205.0 MB. Free memory was 172.9 MB in the beginning and 163.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:39:10,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.85 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 94.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.09 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 94.7 MB in the beginning and 184.5 MB in the end (delta: -89.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.31 ms. Allocated memory is still 205.0 MB. Free memory was 184.5 MB in the beginning and 172.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 292.19 ms. Allocated memory is still 205.0 MB. Free memory was 172.9 MB in the beginning and 163.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 43]: 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: [L1] int __return_main; [L7] int __return_144; [L10] int main__x; [L11] int main__y; [L12] main__x = -50 [L13] main__y = __VERIFIER_nondet_int() [L14] COND FALSE !(!(-1000 < main__y)) [L20] COND FALSE !(!(main__y < 1000000)) [L27] COND TRUE main__x < 0 [L29] main__x = main__x + main__y [L30] int main____CPAchecker_TMP_0 = main__y; [L31] main__y = main__y + 1 [L27] COND FALSE !(main__x < 0) [L37] int __tmp_1; [L38] __tmp_1 = main__y > 0 [L39] int __VERIFIER_assert__cond; [L40] __VERIFIER_assert__cond = __tmp_1 [L41] COND TRUE __VERIFIER_assert__cond == 0 [L43] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...