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/ps3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:36:24,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:36:24,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:36:24,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:36:24,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:36:24,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:36:24,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:36:24,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:36:24,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:36:24,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:36:24,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:36:24,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:36:24,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:36:24,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:36:24,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:36:24,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:36:24,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:36:24,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:36:24,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:36:24,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:36:24,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:36:24,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:36:24,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:36:24,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:36:24,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:36:24,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:36:24,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:36:24,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:36:24,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:36:24,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:36:24,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:36:24,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:36:24,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:36:24,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:36:24,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:36:24,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:36:24,451 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 13:36:24,482 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:36:24,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:36:24,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:36:24,483 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:36:24,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:36:24,484 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:36:24,484 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:36:24,484 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:36:24,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:36:24,484 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:36:24,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:36:24,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:36:24,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:36:24,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:36:24,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:36:24,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:36:24,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:36:24,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:36:24,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:36:24,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:36:24,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:36:24,487 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:36:24,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:36:24,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:36:24,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:36:24,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:36:24,488 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:36:24,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:36:24,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:36:24,489 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:36:24,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:36:24,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:36:24,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:36:24,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:36:24,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:36:24,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-05 13:36:24,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfabde15/d011f759b4ee4bf9ac8e485b17f02e38/FLAGe9d5b87c2 [2019-09-05 13:36:25,092 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:36:25,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-05 13:36:25,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfabde15/d011f759b4ee4bf9ac8e485b17f02e38/FLAGe9d5b87c2 [2019-09-05 13:36:25,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dfabde15/d011f759b4ee4bf9ac8e485b17f02e38 [2019-09-05 13:36:25,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:36:25,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:36:25,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:25,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:36:25,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:36:25,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742aaa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25, skipping insertion in model container [2019-09-05 13:36:25,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,492 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:36:25,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:36:25,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:25,684 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:36:25,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:36:25,732 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:36:25,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25 WrapperNode [2019-09-05 13:36:25,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:36:25,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:36:25,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:36:25,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:36:25,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (1/1) ... [2019-09-05 13:36:25,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:36:25,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:36:25,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:36:25,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:36:25,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:36:25" (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 13:36:25,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:36:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:36:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:36:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:36:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:36:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:36:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:36:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:36:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:36:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:36:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:36:26,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:36:26,089 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:36:26,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:26 BoogieIcfgContainer [2019-09-05 13:36:26,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:36:26,092 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:36:26,092 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:36:26,092 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:36:26,093 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:36:26" (1/1) ... [2019-09-05 13:36:26,125 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:36:26,365 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:36:26,385 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 11. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 11. Never found a fixpoint. Largest state had 6 variables. [2019-09-05 13:36:26,386 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:36:26,389 INFO L168 Benchmark]: Toolchain (without parser) took 911.97 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 154.3 MB in the end (delta: -67.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 13:36:26,390 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 13:36:26,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.99 ms. Allocated memory is still 138.9 MB. Free memory was 86.6 MB in the beginning and 77.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:26,392 INFO L168 Benchmark]: Boogie Preprocessor took 125.97 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 77.2 MB in the beginning and 175.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:26,393 INFO L168 Benchmark]: RCFGBuilder took 230.88 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 164.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:26,394 INFO L168 Benchmark]: Abstract Interpretation took 294.28 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 154.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:36:26,398 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 256.99 ms. Allocated memory is still 138.9 MB. Free memory was 86.6 MB in the beginning and 77.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.97 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 77.2 MB in the beginning and 175.7 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.88 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 164.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 294.28 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 154.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 7]: 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: [L13] int k, y, x, c; [L14] k = __VERIFIER_nondet_int() [L16] y = 0 [L17] x = 0 [L18] c = 0 [L20] COND TRUE 1 [L21] CALL __VERIFIER_assert(6*x - 2*y*y*y - 3*y*y - y == 0) [L5] COND TRUE !(cond) [L7] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...