/usr/bin/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/loops/trex03-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:58:31,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:58:31,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:58:31,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:58:31,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:58:31,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:58:31,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:58:31,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:58:31,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:58:31,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:58:31,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:58:31,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 06:58:32,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:58:32,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:58:32,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:58:32,034 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 [2019-11-07 06:58:32,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:58:32,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:58:32,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:58:32,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:58:32,064 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:58:32,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:58:32,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:58:32,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:58:32,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:58:32,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:58:32,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:58:32,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:58:32,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:58:32,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:58:32,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:58:32,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:58:32,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:58:32,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:58:32,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:58:32,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:58:32,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:58:32,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:58:32,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:58:32,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:58:32,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:58:32,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:58:32,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:58:32,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:58:32,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:58:32,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:58:32,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:58:32,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:58:32,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:58:32,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:58:32,352 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-2.c [2019-11-07 06:58:32,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e8c6f86/7b109f6cc8384631ad9a345c7fab3af5/FLAG276758859 [2019-11-07 06:58:32,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:58:32,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-2.c [2019-11-07 06:58:32,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e8c6f86/7b109f6cc8384631ad9a345c7fab3af5/FLAG276758859 [2019-11-07 06:58:33,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3e8c6f86/7b109f6cc8384631ad9a345c7fab3af5 [2019-11-07 06:58:33,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:58:33,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:58:33,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:33,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:58:33,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:58:33,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d9e582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33, skipping insertion in model container [2019-11-07 06:58:33,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:58:33,289 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:58:33,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:33,461 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:58:33,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:58:33,495 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:58:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33 WrapperNode [2019-11-07 06:58:33,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:58:33,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:58:33,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:58:33,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:58:33,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:58:33,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:58:33,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:58:33,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:58:33,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:58:33" (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 [2019-11-07 06:58:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:58:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:58:33,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:58:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:58:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:58:33,889 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:58:33,889 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 06:58:33,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:33 BoogieIcfgContainer [2019-11-07 06:58:33,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:58:33,892 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:58:33,892 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:58:33,892 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:58:33,893 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:58:33" (1/1) ... [2019-11-07 06:58:33,926 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:58:34,031 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:58:34,217 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:58:34,237 INFO L272 AbstractInterpreter]: Visited 25 different actions 25 times. Never merged. Never widened. Performed 29 root evaluator evaluations with a maximum evaluation depth of 8. Performed 29 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 3 different actions. Largest state had 16 variables. [2019-11-07 06:58:34,238 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:58:34,242 INFO L168 Benchmark]: Toolchain (without parser) took 985.33 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 104.2 MB in the beginning and 155.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,245 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.63 ms. Allocated memory is still 146.3 MB. Free memory was 104.0 MB in the beginning and 94.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,248 INFO L168 Benchmark]: Boogie Preprocessor took 130.81 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.4 MB in the beginning and 182.8 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,249 INFO L168 Benchmark]: RCFGBuilder took 263.42 ms. Allocated memory is still 204.5 MB. Free memory was 182.8 MB in the beginning and 170.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,252 INFO L168 Benchmark]: Abstract Interpretation took 346.19 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 155.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:58:34,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.63 ms. Allocated memory is still 146.3 MB. Free memory was 104.0 MB in the beginning and 94.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.81 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.4 MB in the beginning and 182.8 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.42 ms. Allocated memory is still 204.5 MB. Free memory was 182.8 MB in the beginning and 170.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 346.19 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 155.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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: [L14] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L14] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L14] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int d1=1, d2=1, d3=1; [L16] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L16] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L18] COND FALSE !(x1>0 && x2>0 && x3>0) [L27] CALL __VERIFIER_assert(x1==0 || x2==0 || x3==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...