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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:59,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:59,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:59,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:59,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:59,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:59,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:59,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:59,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:59,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:59,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:59,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:59,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:59,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:59,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:59,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:59,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:59,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:59,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:59,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:59,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:59,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:59,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:59,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:59,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:59,804 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 13:47:59,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:59,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:59,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:59,820 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:59,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:59,821 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:59,821 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:59,821 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:59,821 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:59,821 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:59,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:59,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:59,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:59,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:59,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:59,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:59,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:59,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:59,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:59,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:59,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:59,824 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:59,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:59,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:59,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:59,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:59,825 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:59,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:59,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:59,826 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:59,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:59,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:59,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:59,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:59,901 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:59,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-20 13:47:59,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/757538945/42990ee93f0d4d38a56659d4934496b4/FLAGbe6655066 [2019-09-20 13:48:00,471 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:00,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-09-20 13:48:00,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/757538945/42990ee93f0d4d38a56659d4934496b4/FLAGbe6655066 [2019-09-20 13:48:00,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/757538945/42990ee93f0d4d38a56659d4934496b4 [2019-09-20 13:48:00,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:00,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:00,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:00,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:00,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:00,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:00" (1/1) ... [2019-09-20 13:48:00,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41adba11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:00, skipping insertion in model container [2019-09-20 13:48:00,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:00" (1/1) ... [2019-09-20 13:48:00,878 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:00,904 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:01,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:01,073 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:01,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:01,107 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:01,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01 WrapperNode [2019-09-20 13:48:01,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:01,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:01,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:01,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:01,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:01,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:01,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:01,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:01,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:01" (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 13:48:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:48:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:01,488 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:01,488 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:01,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:01 BoogieIcfgContainer [2019-09-20 13:48:01,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:01,497 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:01,498 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:01,498 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:01,499 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:01" (1/1) ... [2019-09-20 13:48:01,541 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:01,795 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:01,814 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 27 root evaluator evaluations with a maximum evaluation depth of 8. Performed 27 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 8 variables. [2019-09-20 13:48:01,815 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:01,818 INFO L168 Benchmark]: Toolchain (without parser) took 955.15 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 151.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,819 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.88 ms. Allocated memory is still 131.6 MB. Free memory was 85.4 MB in the beginning and 75.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,821 INFO L168 Benchmark]: Boogie Preprocessor took 130.58 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 75.9 MB in the beginning and 174.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,822 INFO L168 Benchmark]: RCFGBuilder took 250.90 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 163.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,823 INFO L168 Benchmark]: Abstract Interpretation took 317.51 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 151.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:01,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.88 ms. Allocated memory is still 131.6 MB. Free memory was 85.4 MB in the beginning and 75.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.58 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 75.9 MB in the beginning and 174.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.90 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 163.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 317.51 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 151.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: 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: [L18] int x1, x2; [L19] int y1, y2, y3; [L20] x1 = __VERIFIER_nondet_int() [L21] x2 = __VERIFIER_nondet_int() [L26] y1 = 0 [L27] y2 = 0 [L28] y3 = x1 [L30] COND TRUE 1 [L31] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) [L11] COND TRUE !(cond) [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...