./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3d056a1f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7210087ed4202b2135d1108918e88b59870adcd4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-3d056a1 [2019-11-22 13:44:26,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:44:26,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:44:26,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:44:26,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:44:26,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:44:26,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:44:26,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:44:26,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:44:26,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:44:26,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:44:26,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:44:26,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:44:26,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:44:26,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:44:26,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:44:26,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:44:26,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:44:26,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:44:26,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:44:26,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:44:26,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:44:26,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:44:26,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:44:26,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:44:26,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:44:26,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:44:26,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:44:26,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:44:26,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:44:26,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:44:26,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:44:26,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:44:26,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:44:26,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:44:26,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:44:26,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:44:26,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:44:26,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:44:26,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:44:26,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:44:26,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-22 13:44:26,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:44:26,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:44:26,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:44:26,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:44:26,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:44:26,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:44:26,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:44:26,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:44:26,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:44:26,452 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:44:26,453 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:44:26,453 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:44:26,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:44:26,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:44:26,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:44:26,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:44:26,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:44:26,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:44:26,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:44:26,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:44:26,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:44:26,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:44:26,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-22 13:44:26,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-22 13:44:26,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-22 13:44:26,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:44:26,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:44:26,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:44:26,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:44:26,800 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:44:26,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 13:44:26,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afed3b4be/98f6741dc9144405a6328863cbaa7ca9/FLAG7c79817fd [2019-11-22 13:44:27,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:44:27,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 13:44:27,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afed3b4be/98f6741dc9144405a6328863cbaa7ca9/FLAG7c79817fd [2019-11-22 13:44:27,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afed3b4be/98f6741dc9144405a6328863cbaa7ca9 [2019-11-22 13:44:27,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:44:27,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:44:27,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:44:27,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:44:27,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:44:27,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:27" (1/1) ... [2019-11-22 13:44:27,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d183b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:27, skipping insertion in model container [2019-11-22 13:44:27,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:27" (1/1) ... [2019-11-22 13:44:27,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:44:27,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:44:28,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:44:28,357 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-22 13:44:28,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@210e0133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:28, skipping insertion in model container [2019-11-22 13:44:28,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:44:28,359 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-22 13:44:28,363 INFO L168 Benchmark]: Toolchain (without parser) took 650.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:28,364 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:44:28,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:28,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-3d056a1 [2019-11-22 13:44:30,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-22 13:44:30,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-22 13:44:30,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-22 13:44:30,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-22 13:44:30,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-22 13:44:30,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-22 13:44:30,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-22 13:44:30,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-22 13:44:30,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-22 13:44:30,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-22 13:44:30,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-22 13:44:30,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-22 13:44:30,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-22 13:44:30,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-22 13:44:30,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-22 13:44:30,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-22 13:44:30,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-22 13:44:30,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-22 13:44:30,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-22 13:44:30,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-22 13:44:30,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-22 13:44:30,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-22 13:44:30,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-22 13:44:30,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-22 13:44:30,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-22 13:44:30,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-22 13:44:30,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-22 13:44:30,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-22 13:44:30,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-22 13:44:30,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-22 13:44:30,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-22 13:44:30,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-22 13:44:30,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-22 13:44:30,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-22 13:44:30,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-22 13:44:30,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-22 13:44:30,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-22 13:44:30,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-22 13:44:30,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-22 13:44:30,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-22 13:44:30,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-22 13:44:30,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-22 13:44:30,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-22 13:44:30,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-22 13:44:30,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-22 13:44:30,180 INFO L138 SettingsManager]: * Use SBE=true [2019-11-22 13:44:30,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-22 13:44:30,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-22 13:44:30,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-22 13:44:30,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-22 13:44:30,182 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-22 13:44:30,183 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-22 13:44:30,184 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-22 13:44:30,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-22 13:44:30,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-22 13:44:30,185 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-22 13:44:30,185 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-22 13:44:30,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-22 13:44:30,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-22 13:44:30,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-22 13:44:30,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-22 13:44:30,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-22 13:44:30,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-22 13:44:30,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-22 13:44:30,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-22 13:44:30,188 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-22 13:44:30,188 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-22 13:44:30,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-22 13:44:30,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7210087ed4202b2135d1108918e88b59870adcd4 [2019-11-22 13:44:30,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-22 13:44:30,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-22 13:44:30,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-22 13:44:30,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-22 13:44:30,564 INFO L275 PluginConnector]: CDTParser initialized [2019-11-22 13:44:30,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 13:44:30,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5061ed817/ddf74709d03a4c70a68220bf6edbd213/FLAGa23834ed2 [2019-11-22 13:44:31,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-22 13:44:31,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-22 13:44:31,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5061ed817/ddf74709d03a4c70a68220bf6edbd213/FLAGa23834ed2 [2019-11-22 13:44:31,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5061ed817/ddf74709d03a4c70a68220bf6edbd213 [2019-11-22 13:44:31,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-22 13:44:31,501 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-22 13:44:31,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-22 13:44:31,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-22 13:44:31,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-22 13:44:31,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:31" (1/1) ... [2019-11-22 13:44:31,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:31, skipping insertion in model container [2019-11-22 13:44:31,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:31" (1/1) ... [2019-11-22 13:44:31,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-22 13:44:31,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:44:32,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:44:32,163 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-22 13:44:32,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-22 13:44:32,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:44:32,235 INFO L203 MainTranslator]: Completed pre-run [2019-11-22 13:44:32,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-22 13:44:32,419 INFO L208 MainTranslator]: Completed translation [2019-11-22 13:44:32,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32 WrapperNode [2019-11-22 13:44:32,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-22 13:44:32,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-22 13:44:32,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-22 13:44:32,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-22 13:44:32,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (1/1) ... [2019-11-22 13:44:32,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-22 13:44:32,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-22 13:44:32,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-22 13:44:32,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-22 13:44:32,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (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 [2019-11-22 13:44:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-22 13:44:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-22 13:44:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:44:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:44:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-22 13:44:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-22 13:44:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-22 13:44:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-22 13:44:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-22 13:44:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-22 13:44:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-22 13:44:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-22 13:44:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-22 13:44:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:44:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-22 13:44:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-22 13:44:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-22 13:44:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-22 13:44:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-22 13:44:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-22 13:44:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-22 13:44:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-22 13:44:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-22 13:44:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-22 13:44:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-22 13:44:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-22 13:44:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-22 13:44:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-22 13:44:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-22 13:44:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-22 13:44:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-22 13:44:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-22 13:44:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-22 13:44:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-22 13:44:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-22 13:44:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-22 13:44:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-22 13:44:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-22 13:44:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-22 13:44:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-22 13:44:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-22 13:44:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-22 13:44:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-22 13:44:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-22 13:44:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-22 13:44:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-22 13:44:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-22 13:44:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-22 13:44:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-22 13:44:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-22 13:44:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-22 13:44:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-22 13:44:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-22 13:44:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-22 13:44:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-22 13:44:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-22 13:44:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-22 13:44:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-22 13:44:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-22 13:44:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-22 13:44:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-22 13:44:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-22 13:44:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-22 13:44:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-22 13:44:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-22 13:44:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-22 13:44:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-22 13:44:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-22 13:44:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-22 13:44:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-22 13:44:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-22 13:44:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-22 13:44:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-22 13:44:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-22 13:44:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-22 13:44:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-22 13:44:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-22 13:44:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-22 13:44:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-22 13:44:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-22 13:44:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-22 13:44:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-22 13:44:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-22 13:44:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-22 13:44:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-22 13:44:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-22 13:44:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-22 13:44:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-22 13:44:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-22 13:44:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-22 13:44:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-22 13:44:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-22 13:44:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-22 13:44:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-22 13:44:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-22 13:44:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-22 13:44:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-22 13:44:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-22 13:44:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-22 13:44:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-22 13:44:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-22 13:44:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-22 13:44:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-22 13:44:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-22 13:44:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-22 13:44:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-22 13:44:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-22 13:44:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-22 13:44:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-22 13:44:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-22 13:44:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-22 13:44:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-22 13:44:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-22 13:44:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-22 13:44:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-22 13:44:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-22 13:44:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-22 13:44:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-22 13:44:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-22 13:44:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-22 13:44:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-22 13:44:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-22 13:44:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-22 13:44:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-22 13:44:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-22 13:44:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-22 13:44:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-22 13:44:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-22 13:44:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-22 13:44:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-22 13:44:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-22 13:44:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-22 13:44:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-22 13:44:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-22 13:44:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-22 13:44:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-22 13:44:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-22 13:44:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-22 13:44:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-22 13:44:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-22 13:44:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-22 13:44:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-22 13:44:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-22 13:44:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-22 13:44:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-22 13:44:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-22 13:44:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-22 13:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-22 13:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-22 13:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-22 13:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-22 13:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-22 13:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-22 13:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-22 13:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-22 13:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-22 13:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-22 13:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-22 13:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-22 13:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-22 13:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-22 13:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-22 13:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-22 13:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-22 13:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-22 13:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-22 13:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-22 13:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-22 13:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-22 13:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-22 13:44:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-22 13:44:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-22 13:44:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-22 13:44:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-22 13:44:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-22 13:44:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-22 13:44:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-22 13:44:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-22 13:44:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-22 13:44:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-22 13:44:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-22 13:44:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-22 13:44:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-22 13:44:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-22 13:44:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-22 13:44:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-22 13:44:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-22 13:44:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-22 13:44:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-22 13:44:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-22 13:44:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-22 13:44:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-22 13:44:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-22 13:44:33,375 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:44:33,753 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-22 13:44:34,127 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-22 13:44:34,128 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-22 13:44:34,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:34 BoogieIcfgContainer [2019-11-22 13:44:34,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-22 13:44:34,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-22 13:44:34,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-22 13:44:34,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-22 13:44:34,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:44:31" (1/3) ... [2019-11-22 13:44:34,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b87267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:34, skipping insertion in model container [2019-11-22 13:44:34,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:32" (2/3) ... [2019-11-22 13:44:34,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b87267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:34, skipping insertion in model container [2019-11-22 13:44:34,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:34" (3/3) ... [2019-11-22 13:44:34,141 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-22 13:44:34,153 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-22 13:44:34,166 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-22 13:44:34,180 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-22 13:44:34,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-22 13:44:34,206 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-22 13:44:34,207 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-22 13:44:34,207 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-22 13:44:34,207 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-22 13:44:34,207 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-22 13:44:34,207 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-22 13:44:34,208 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-22 13:44:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-22 13:44:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-22 13:44:34,246 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:44:34,248 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:44:34,249 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:44:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:44:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-22 13:44:34,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:44:34,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1540193668] [2019-11-22 13:44:34,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:44:34,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:44:34,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:44:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:34,619 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:44:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:34,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540193668] [2019-11-22 13:44:34,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:44:34,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 13:44:34,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761903911] [2019-11-22 13:44:34,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:44:34,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:44:34,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:44:34,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:34,701 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-22 13:44:34,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:44:34,733 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-22 13:44:34,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:44:34,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-22 13:44:34,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:44:34,745 INFO L225 Difference]: With dead ends: 24 [2019-11-22 13:44:34,746 INFO L226 Difference]: Without dead ends: 21 [2019-11-22 13:44:34,748 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-22 13:44:34,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-22 13:44:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-22 13:44:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-22 13:44:34,787 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-22 13:44:34,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:44:34,788 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-22 13:44:34,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:44:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-22 13:44:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 13:44:34,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:44:34,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:44:34,996 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:34,997 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:44:34,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:44:34,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-22 13:44:34,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:44:34,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [256010958] [2019-11-22 13:44:35,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:44:35,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:44:35,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:44:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:35,300 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:44:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:35,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [256010958] [2019-11-22 13:44:35,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:44:35,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 13:44:35,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243936051] [2019-11-22 13:44:35,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:44:35,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:44:35,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:44:35,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:35,344 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2019-11-22 13:44:35,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:44:35,400 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-22 13:44:35,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:44:35,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-22 13:44:35,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:44:35,402 INFO L225 Difference]: With dead ends: 26 [2019-11-22 13:44:35,402 INFO L226 Difference]: Without dead ends: 26 [2019-11-22 13:44:35,403 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-22 13:44:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-22 13:44:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 13:44:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 13:44:35,408 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 13:44:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:44:35,409 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 13:44:35,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:44:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 13:44:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-22 13:44:35,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:44:35,410 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:44:35,613 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:35,615 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:44:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:44:35,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1149259986, now seen corresponding path program 1 times [2019-11-22 13:44:35,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:44:35,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1744401526] [2019-11-22 13:44:35,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:44:35,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:44:35,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:44:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:35,877 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:44:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:35,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1744401526] [2019-11-22 13:44:35,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:44:35,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-22 13:44:35,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621465966] [2019-11-22 13:44:35,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-22 13:44:35,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:44:35,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-22 13:44:35,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-22 13:44:35,949 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2019-11-22 13:44:36,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:44:36,147 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-11-22 13:44:36,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-22 13:44:36,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-22 13:44:36,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:44:36,151 INFO L225 Difference]: With dead ends: 28 [2019-11-22 13:44:36,152 INFO L226 Difference]: Without dead ends: 28 [2019-11-22 13:44:36,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-22 13:44:36,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-22 13:44:36,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-11-22 13:44:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-22 13:44:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-22 13:44:36,191 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 14 [2019-11-22 13:44:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:44:36,191 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-22 13:44:36,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-22 13:44:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-22 13:44:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-22 13:44:36,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:44:36,193 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:44:36,393 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:36,394 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:44:36,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:44:36,396 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-22 13:44:36,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:44:36,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [155599511] [2019-11-22 13:44:36,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:44:36,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-22 13:44:36,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:44:36,712 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-22 13:44:36,713 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:44:36,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:44:36,719 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-22 13:44:36,719 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-22 13:44:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:36,745 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:44:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:36,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [155599511] [2019-11-22 13:44:36,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-22 13:44:36,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-22 13:44:36,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816615930] [2019-11-22 13:44:36,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-22 13:44:36,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-22 13:44:36,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-22 13:44:36,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:36,797 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-22 13:44:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-22 13:44:36,844 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-11-22 13:44:36,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-22 13:44:36,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-22 13:44:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-22 13:44:36,846 INFO L225 Difference]: With dead ends: 25 [2019-11-22 13:44:36,846 INFO L226 Difference]: Without dead ends: 25 [2019-11-22 13:44:36,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-22 13:44:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-22 13:44:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-11-22 13:44:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-22 13:44:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-22 13:44:36,851 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-22 13:44:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-22 13:44:36,851 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-22 13:44:36,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-22 13:44:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-22 13:44:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-22 13:44:36,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-22 13:44:36,852 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-22 13:44:37,059 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:37,059 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-22 13:44:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-22 13:44:37,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-22 13:44:37,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-22 13:44:37,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [267717688] [2019-11-22 13:44:37,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-22 13:44:37,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-22 13:44:37,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-22 13:44:37,343 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-22 13:44:37,344 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-22 13:44:37,345 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-22 13:44:37,365 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-22 13:44:37,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:44:37,369 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-22 13:44:37,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-22 13:44:37,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:44:37,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:44:37,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:44:37,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-22 13:44:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-22 13:44:43,615 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-22 13:44:47,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-22 13:44:47,982 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-22 13:44:47,992 INFO L168 Benchmark]: Toolchain (without parser) took 16488.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:47,993 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:44:47,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:47,995 INFO L168 Benchmark]: Boogie Preprocessor took 158.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:48,001 INFO L168 Benchmark]: RCFGBuilder took 1549.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-11-22 13:44:48,001 INFO L168 Benchmark]: TraceAbstraction took 13854.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.1 MB). Free memory was 914.5 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-22 13:44:48,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 919.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 158.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1549.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 914.5 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13854.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.1 MB). Free memory was 914.5 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...