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/loops/trex03-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:22,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:22,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:22,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:22,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:22,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:22,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:22,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:22,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:22,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:22,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:22,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:22,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:22,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:22,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:22,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:22,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:22,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:22,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:22,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:22,112 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 13:47:22,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:22,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:22,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:22,142 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:22,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:22,143 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:22,144 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:22,144 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:22,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:22,144 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:22,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:22,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:22,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:22,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:22,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:22,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:22,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:22,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:22,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:22,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:22,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:22,150 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:22,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:22,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:22,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:22,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:22,151 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:22,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:22,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:22,152 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:22,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:22,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:22,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:22,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:22,234 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:22,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-2.c [2019-09-20 13:47:22,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73332784/930f7f6ccd8743afbb31c62e72190dd4/FLAG064bcd935 [2019-09-20 13:47:22,756 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:22,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-2.c [2019-09-20 13:47:22,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73332784/930f7f6ccd8743afbb31c62e72190dd4/FLAG064bcd935 [2019-09-20 13:47:23,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73332784/930f7f6ccd8743afbb31c62e72190dd4 [2019-09-20 13:47:23,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:23,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:23,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:23,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:23,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:23,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f8712e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23, skipping insertion in model container [2019-09-20 13:47:23,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:23,186 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:23,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:23,378 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:23,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:23,415 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:23,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23 WrapperNode [2019-09-20 13:47:23,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:23,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:23,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:23,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:23,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:23,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:23,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:23,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:23,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:23" (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 13:47:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:47:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:23,787 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:23,788 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:23,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:23 BoogieIcfgContainer [2019-09-20 13:47:23,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:23,790 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:23,790 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:23,790 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:23,791 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:23" (1/1) ... [2019-09-20 13:47:23,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:23,888 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:24,023 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:24,045 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. [2019-09-20 13:47:24,046 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:24,050 INFO L168 Benchmark]: Toolchain (without parser) took 897.60 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 88.4 MB in the beginning and 148.2 MB in the end (delta: -59.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:24,052 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.24 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 78.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,055 INFO L168 Benchmark]: Boogie Preprocessor took 118.11 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 78.6 MB in the beginning and 175.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,058 INFO L168 Benchmark]: RCFGBuilder took 253.81 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 163.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,059 INFO L168 Benchmark]: Abstract Interpretation took 256.01 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 148.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:24,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.24 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 78.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.11 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 78.6 MB in the beginning and 175.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.81 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 163.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 256.01 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 148.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 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: [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...