/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/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:26:19,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:26:19,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:26:19,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:26:19,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:26:19,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:26:19,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:26:19,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:26:19,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:26:19,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:26:19,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:26:19,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:26:19,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:26:19,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:26:19,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:26:19,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:26:19,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:26:19,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:26:19,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:26:19,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:26:19,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:26:19,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:26:19,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:26:19,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:26:19,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 15:26:19,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:26:19,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:26:19,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:26:19,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:26:19,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:26:19,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:26:19,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:26:19,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:26:19,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:26:19,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:26:19,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:26:19,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:26:19,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:26:19,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:26:19,581 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:26:19,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:26:19,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:26:19,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:26:19,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:26:19,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:26:19,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:26:19,582 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:26:19,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:26:19,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:26:19,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:26:19,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:26:19,913 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:26:19,914 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-07-07 15:26:20,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8193826/0fc3f7cb76ab4baf875b27beb905278e/FLAG53b1f6d0f [2020-07-07 15:26:20,631 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:26:20,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2020-07-07 15:26:20,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8193826/0fc3f7cb76ab4baf875b27beb905278e/FLAG53b1f6d0f [2020-07-07 15:26:20,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8193826/0fc3f7cb76ab4baf875b27beb905278e [2020-07-07 15:26:20,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:26:20,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:26:20,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:26:20,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:26:20,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:26:20,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:26:20" (1/1) ... [2020-07-07 15:26:20,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d91636e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:26:20, skipping insertion in model container [2020-07-07 15:26:20,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:26:20" (1/1) ... [2020-07-07 15:26:20,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:26:20,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:26:21,600 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2020-07-07 15:26:21,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47a770d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:26:21, skipping insertion in model container [2020-07-07 15:26:21,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:26:21,605 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-07 15:26:21,608 INFO L168 Benchmark]: Toolchain (without parser) took 759.13 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 99.2 MB in the beginning and 175.6 MB in the end (delta: -76.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:26:21,609 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:26:21,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.92 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 99.0 MB in the beginning and 175.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:26:21,613 INFO L336 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 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.92 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 99.0 MB in the beginning and 175.6 MB in the end (delta: -76.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1358]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...