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/diamond_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:34:46,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:34:46,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:34:46,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-05 13:34:46,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:34:46,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:34:46,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:34:46,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:34:46,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:34:46,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:34:46,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:34:46,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:34:46,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:34:46,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:34:46,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:34:46,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:34:46,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:34:46,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:34:46,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:34:46,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:34:46,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:34:46,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:34:46,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:34:46,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:34:46,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:34:46,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:34:46,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:34:46,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:34:46,305 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 [2019-09-05 13:34:46,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:34:46,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:34:46,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:34:46,321 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:34:46,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:34:46,321 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:34:46,322 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:34:46,322 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:34:46,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:34:46,322 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:34:46,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:34:46,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:34:46,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:34:46,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:34:46,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:34:46,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:34:46,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:34:46,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:34:46,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:34:46,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:34:46,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:34:46,325 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:34:46,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:34:46,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:34:46,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:34:46,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:34:46,326 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:34:46,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:34:46,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:34:46,327 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:34:46,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:34:46,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:34:46,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:34:46,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:34:46,382 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:34:46,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_1-2.c [2019-09-05 13:34:46,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc67306d6/49be49cf717e4518b416087545c375e9/FLAG56baccee6 [2019-09-05 13:34:46,845 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:34:46,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_1-2.c [2019-09-05 13:34:46,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc67306d6/49be49cf717e4518b416087545c375e9/FLAG56baccee6 [2019-09-05 13:34:47,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc67306d6/49be49cf717e4518b416087545c375e9 [2019-09-05 13:34:47,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:34:47,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:34:47,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:47,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:34:47,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:34:47,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f89b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47, skipping insertion in model container [2019-09-05 13:34:47,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:34:47,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:34:47,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:47,564 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:34:47,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:47,601 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:34:47,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47 WrapperNode [2019-09-05 13:34:47,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:47,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:34:47,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:34:47,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:34:47,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:34:47,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:34:47,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:34:47,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:34:47,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:47" (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 [2019-09-05 13:34:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:34:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:34:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:34:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:34:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-05 13:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:34:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:34:47,964 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:34:47,964 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:34:47,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:47 BoogieIcfgContainer [2019-09-05 13:34:47,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:34:47,967 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:34:47,967 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:34:47,967 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:34:47,968 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:47" (1/1) ... [2019-09-05 13:34:47,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:34:48,066 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:34:49,330 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:34:49,352 INFO L272 AbstractInterpreter]: Visited 21 different actions 96 times. Merged at 6 different actions 25 times. Widened at 2 different actions 3 times. Performed 123 root evaluator evaluations with a maximum evaluation depth of 14. Performed 123 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 12 fixpoints after 3 different actions. Largest state had 5 variables. [2019-09-05 13:34:49,353 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:34:49,358 INFO L168 Benchmark]: Toolchain (without parser) took 2066.75 ms. Allocated memory was 138.9 MB in the beginning and 267.9 MB in the end (delta: 129.0 MB). Free memory was 86.4 MB in the beginning and 172.1 MB in the end (delta: -85.7 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,360 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.75 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 76.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,364 INFO L168 Benchmark]: Boogie Preprocessor took 126.65 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 76.9 MB in the beginning and 175.7 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,366 INFO L168 Benchmark]: RCFGBuilder took 236.33 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 164.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,367 INFO L168 Benchmark]: Abstract Interpretation took 1386.12 ms. Allocated memory was 198.2 MB in the beginning and 267.9 MB in the end (delta: 69.7 MB). Free memory was 164.3 MB in the beginning and 172.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:34:49,379 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 313.75 ms. Allocated memory is still 138.9 MB. Free memory was 86.2 MB in the beginning and 76.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.65 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 76.9 MB in the beginning and 175.7 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.33 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 164.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1386.12 ms. Allocated memory was 198.2 MB in the beginning and 267.9 MB in the end (delta: 69.7 MB). Free memory was 164.3 MB in the beginning and 172.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 62.0 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 = 0; [L13] unsigned int y = __VERIFIER_nondet_uint(); [L15] COND FALSE !(x < 99) [L23] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...