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-acceleration/multivar_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:26,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:26,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:26,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:26,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:26,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:26,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:26,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:26,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:26,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:26,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:26,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:26,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:26,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:26,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:26,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:26,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:26,440 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 13:47:26,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:26,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:26,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:26,459 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:26,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:26,461 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:26,461 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:26,461 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:26,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:26,462 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:26,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:26,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:26,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:26,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:26,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:26,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:26,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:26,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:26,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:26,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:26,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:26,466 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:26,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:26,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:26,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:26,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:26,467 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:26,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:26,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:26,468 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:26,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:26,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:26,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:26,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:26,537 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:26,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-09-20 13:47:26,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65e2da4b/46ece48bbef748cfbfd61f3ebcf9dd5c/FLAG59657d67e [2019-09-20 13:47:26,986 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:26,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-09-20 13:47:26,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65e2da4b/46ece48bbef748cfbfd61f3ebcf9dd5c/FLAG59657d67e [2019-09-20 13:47:27,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c65e2da4b/46ece48bbef748cfbfd61f3ebcf9dd5c [2019-09-20 13:47:27,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:27,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:27,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:27,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:27,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:27,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73613047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27, skipping insertion in model container [2019-09-20 13:47:27,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:27,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:27,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:27,664 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:27,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:27,696 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:27,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27 WrapperNode [2019-09-20 13:47:27,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:27,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:27,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:27,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:27,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (1/1) ... [2019-09-20 13:47:27,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:27,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:27,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:27,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:27,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:27" (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 13:47:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:47:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:28,069 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:28,069 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:28,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:28 BoogieIcfgContainer [2019-09-20 13:47:28,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:28,071 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:28,072 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:28,072 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:28,072 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:28" (1/1) ... [2019-09-20 13:47:28,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:28,158 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:28,192 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:28,208 INFO L272 AbstractInterpreter]: Visited 19 different actions 19 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 7. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 6 variables. [2019-09-20 13:47:28,209 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:28,211 INFO L168 Benchmark]: Toolchain (without parser) took 793.35 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 157.3 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:28,212 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.32 ms. Allocated memory is still 132.1 MB. Free memory was 87.4 MB in the beginning and 78.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,215 INFO L168 Benchmark]: Boogie Preprocessor took 137.42 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.1 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,216 INFO L168 Benchmark]: RCFGBuilder took 235.56 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 164.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,216 INFO L168 Benchmark]: Abstract Interpretation took 137.39 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 157.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:28,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.32 ms. Allocated memory is still 132.1 MB. Free memory was 87.4 MB in the beginning and 78.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.42 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.1 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.56 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 164.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 137.39 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 157.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L13] unsigned int y = x + 1; [L15] COND FALSE !(x < 1024) [L20] CALL __VERIFIER_assert(x == y) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...