./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash b6943849e6f46346ed71c5d8e09de50318fefe6a ............................................................................................................................. 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 -Xmx15G -Xms4m -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_test20-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash b6943849e6f46346ed71c5d8e09de50318fefe6a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:02:02,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:02:02,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:02:02,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:02:02,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:02:02,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:02:02,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:02:02,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:02:02,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:02:02,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:02:02,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:02:02,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:02:02,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:02:02,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:02:02,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:02:02,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:02:02,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:02:02,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:02:02,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:02:02,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:02:02,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:02:02,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:02:02,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:02:02,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:02:02,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:02:02,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:02:02,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:02:02,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:02:02,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:02:02,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:02:02,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:02:02,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:02:02,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:02:02,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:02:02,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:02:02,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:02:02,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:02:02,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:02:02,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:02:02,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:02:02,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:02:02,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:02:02,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:02:02,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:02:02,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:02:02,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:02:02,456 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:02:02,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:02:02,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:02:02,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:02:02,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:02:02,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:02:02,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:02:02,458 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:02:02,458 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:02:02,459 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:02:02,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:02:02,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:02:02,459 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:02:02,460 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:02:02,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:02:02,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:02:02,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:02:02,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:02:02,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:02:02,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:02:02,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:02:02,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:02:02,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:02:02,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:02:02,462 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-10-20 06:02:02,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:02:02,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:02:02,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:02:02,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:02:02,683 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:02:02,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-20 06:02:02,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d9da903/f94fd40aea0340538239e8af70a05a04/FLAG971b5f0c9 [2020-10-20 06:02:03,372 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:02:03,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-20 06:02:03,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d9da903/f94fd40aea0340538239e8af70a05a04/FLAG971b5f0c9 [2020-10-20 06:02:03,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d9da903/f94fd40aea0340538239e8af70a05a04 [2020-10-20 06:02:03,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:02:03,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:02:03,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:03,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:02:03,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:02:03,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:03" (1/1) ... [2020-10-20 06:02:03,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f5e536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:03, skipping insertion in model container [2020-10-20 06:02:03,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:03" (1/1) ... [2020-10-20 06:02:03,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:02:03,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:04,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:04,358 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) [2020-10-20 06:02:04,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ed4b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:04, skipping insertion in model container [2020-10-20 06:02:04,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:04,359 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:02:04,363 INFO L168 Benchmark]: Toolchain (without parser) took 697.23 ms. Allocated memory was 35.7 MB in the beginning and 43.5 MB in the end (delta: 7.9 MB). Free memory was 15.4 MB in the beginning and 20.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:04,364 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:02:04,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.58 ms. Allocated memory was 35.7 MB in the beginning and 43.5 MB in the end (delta: 7.9 MB). Free memory was 14.5 MB in the beginning and 20.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:04,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 10.7 MB in the beginning and 10.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 684.58 ms. Allocated memory was 35.7 MB in the beginning and 43.5 MB in the end (delta: 7.9 MB). Free memory was 14.5 MB in the beginning and 20.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: 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 0.1.25-9a8b2e8 [2020-10-20 06:02:06,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:02:06,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:02:06,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:02:06,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:02:06,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:02:06,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:02:06,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:02:06,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:02:06,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:02:06,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:02:06,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:02:06,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:02:06,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:02:06,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:02:06,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:02:06,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:02:06,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:02:06,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:02:06,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:02:06,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:02:06,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:02:06,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:02:06,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:02:06,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:02:06,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:02:06,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:02:06,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:02:06,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:02:06,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:02:06,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:02:06,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:02:06,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:02:06,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:02:06,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:02:06,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:02:06,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:02:06,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:02:06,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:02:06,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:02:06,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:02:06,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:02:06,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:02:06,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:02:06,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:02:06,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:02:06,460 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:02:06,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:02:06,461 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:02:06,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:02:06,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:02:06,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:02:06,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:02:06,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:02:06,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:02:06,464 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:02:06,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:02:06,464 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:02:06,464 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:02:06,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:02:06,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:02:06,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:02:06,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:02:06,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:02:06,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:02:06,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:02:06,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:02:06,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:02:06,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:02:06,467 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:02:06,467 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:02:06,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:02:06,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:02:06,468 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-10-20 06:02:06,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:02:06,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:02:06,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:02:06,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:02:06,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:02:06,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-20 06:02:06,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08165f6d/75fdc9f125144238bcd5eb149d1ced46/FLAG16cb36b02 [2020-10-20 06:02:07,443 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:02:07,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-10-20 06:02:07,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08165f6d/75fdc9f125144238bcd5eb149d1ced46/FLAG16cb36b02 [2020-10-20 06:02:07,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08165f6d/75fdc9f125144238bcd5eb149d1ced46 [2020-10-20 06:02:07,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:02:07,689 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:02:07,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:07,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:02:07,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:02:07,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:07" (1/1) ... [2020-10-20 06:02:07,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abd833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:07, skipping insertion in model container [2020-10-20 06:02:07,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:07" (1/1) ... [2020-10-20 06:02:07,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:02:07,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:08,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:08,356 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:02:08,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:08,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:08,483 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:02:08,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:08,645 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:02:08,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08 WrapperNode [2020-10-20 06:02:08,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:08,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:02:08,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:02:08,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:02:08,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (1/1) ... [2020-10-20 06:02:08,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:02:08,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:02:08,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:02:08,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:02:08,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (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 [2020-10-20 06:02:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:02:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:02:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:02:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:02:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:02:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:02:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:02:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:02:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:02:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:02:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:02:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:02:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:02:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:02:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:02:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:02:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:02:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:02:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:02:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:02:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:02:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:02:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:02:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:02:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:02:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:02:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:02:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:02:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:02:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:02:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:02:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:02:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:02:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:02:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:02:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:02:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:02:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:02:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:02:08,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-10-20 06:02:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-10-20 06:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure free_20 [2020-10-20 06:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:02:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:02:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:02:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:02:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:02:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:02:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:02:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:02:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:02:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:02:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:02:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:02:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:02:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:02:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:02:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:02:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:02:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:02:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:02:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:02:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:02:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:02:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:02:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:02:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:02:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:02:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:02:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:02:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:02:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:02:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:02:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:02:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:02:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:02:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:02:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:02:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:02:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:02:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:02:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:02:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:02:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:02:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:02:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:02:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:02:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:02:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:02:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:02:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:02:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:02:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:02:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:02:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:02:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:02:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:02:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:02:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:02:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:02:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:02:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:02:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:02:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:02:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:02:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:02:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:02:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:02:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:02:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:02:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:02:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:02:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:02:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:02:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:02:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:02:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:02:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:02:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:02:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:02:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:02:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:02:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:02:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:02:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:02:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:02:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:02:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:02:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:02:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:02:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:02:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:02:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:02:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:02:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:02:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:02:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:02:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:02:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:02:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:02:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:02:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:02:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:02:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:02:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:02:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:02:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:02:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:02:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:02:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:02:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:02:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:02:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:02:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:02:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:02:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:02:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:02:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:02:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-10-20 06:02:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_20 [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:02:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:02:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:02:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:02:09,473 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:02:09,823 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:02:10,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:02:10,143 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:02:10,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:10 BoogieIcfgContainer [2020-10-20 06:02:10,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:02:10,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:02:10,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:02:10,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:02:10,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:02:07" (1/3) ... [2020-10-20 06:02:10,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e90f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:02:10, skipping insertion in model container [2020-10-20 06:02:10,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:08" (2/3) ... [2020-10-20 06:02:10,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e90f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:02:10, skipping insertion in model container [2020-10-20 06:02:10,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:10" (3/3) ... [2020-10-20 06:02:10,156 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-2.i [2020-10-20 06:02:10,168 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:02:10,199 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-20 06:02:10,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-20 06:02:10,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:02:10,235 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:02:10,235 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:02:10,235 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:02:10,235 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:02:10,235 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:02:10,235 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:02:10,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:02:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-10-20 06:02:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:02:10,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:10,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:10,267 INFO L429 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:10,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2108151956, now seen corresponding path program 1 times [2020-10-20 06:02:10,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:10,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816079326] [2020-10-20 06:02:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:10,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:02:10,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:10,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:10,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816079326] [2020-10-20 06:02:10,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:10,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-20 06:02:10,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274424012] [2020-10-20 06:02:10,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:02:10,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:02:10,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:10,690 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 5 states. [2020-10-20 06:02:10,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:10,729 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2020-10-20 06:02:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:02:10,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 06:02:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:10,740 INFO L225 Difference]: With dead ends: 50 [2020-10-20 06:02:10,741 INFO L226 Difference]: Without dead ends: 47 [2020-10-20 06:02:10,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:10,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-20 06:02:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2020-10-20 06:02:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-20 06:02:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-10-20 06:02:10,786 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 24 [2020-10-20 06:02:10,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:10,786 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-10-20 06:02:10,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:02:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-10-20 06:02:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 06:02:10,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:10,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:10,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:02:10,997 INFO L429 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:10,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:10,998 INFO L82 PathProgramCache]: Analyzing trace with hash -600600147, now seen corresponding path program 1 times [2020-10-20 06:02:10,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:10,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867817122] [2020-10-20 06:02:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:11,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 21 conjunts are in the unsatisfiable core [2020-10-20 06:02:11,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:11,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:11,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867817122] [2020-10-20 06:02:11,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:11,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2020-10-20 06:02:11,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117437262] [2020-10-20 06:02:11,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:02:11,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:11,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:02:11,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:02:11,425 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2020-10-20 06:02:11,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:11,946 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-10-20 06:02:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 06:02:11,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-10-20 06:02:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:11,949 INFO L225 Difference]: With dead ends: 60 [2020-10-20 06:02:11,949 INFO L226 Difference]: Without dead ends: 60 [2020-10-20 06:02:11,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-20 06:02:11,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-20 06:02:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2020-10-20 06:02:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 06:02:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-20 06:02:11,960 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 24 [2020-10-20 06:02:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:11,960 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-20 06:02:11,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:02:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-20 06:02:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 06:02:11,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:11,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:12,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:02:12,177 INFO L429 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash 976042921, now seen corresponding path program 1 times [2020-10-20 06:02:12,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:12,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831956895] [2020-10-20 06:02:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:12,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:02:12,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:12,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:12,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831956895] [2020-10-20 06:02:12,625 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:02:12,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [93244125] [2020-10-20 06:02:12,625 INFO L95 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 [2020-10-20 06:02:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:12,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:02:12,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:12,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:13,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:13,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2020-10-20 06:02:13,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921471524] [2020-10-20 06:02:13,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-20 06:02:13,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:13,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-20 06:02:13,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-20 06:02:13,140 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2020-10-20 06:02:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:13,313 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-20 06:02:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 06:02:13,314 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-10-20 06:02:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:13,315 INFO L225 Difference]: With dead ends: 55 [2020-10-20 06:02:13,315 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 06:02:13,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:02:13,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 06:02:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2020-10-20 06:02:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-20 06:02:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-20 06:02:13,324 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 28 [2020-10-20 06:02:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:13,324 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-20 06:02:13,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-20 06:02:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-20 06:02:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 06:02:13,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:13,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:13,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:02:13,746 INFO L429 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:13,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:13,747 INFO L82 PathProgramCache]: Analyzing trace with hash 192559894, now seen corresponding path program 1 times [2020-10-20 06:02:13,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:13,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051841047] [2020-10-20 06:02:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:13,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 06:02:13,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:14,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:14,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051841047] [2020-10-20 06:02:14,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:14,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 21 [2020-10-20 06:02:14,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792509431] [2020-10-20 06:02:14,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-20 06:02:14,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:14,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-20 06:02:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2020-10-20 06:02:14,749 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 22 states. [2020-10-20 06:02:16,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:16,163 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2020-10-20 06:02:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-20 06:02:16,164 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 29 [2020-10-20 06:02:16,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:16,165 INFO L225 Difference]: With dead ends: 77 [2020-10-20 06:02:16,166 INFO L226 Difference]: Without dead ends: 77 [2020-10-20 06:02:16,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=250, Invalid=1232, Unknown=0, NotChecked=0, Total=1482 [2020-10-20 06:02:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-20 06:02:16,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 53. [2020-10-20 06:02:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 06:02:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-20 06:02:16,174 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 29 [2020-10-20 06:02:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:16,174 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-20 06:02:16,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-20 06:02:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-20 06:02:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 06:02:16,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:16,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:16,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:02:16,380 INFO L429 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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:16,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:16,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1674389835, now seen corresponding path program 1 times [2020-10-20 06:02:16,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:16,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307121698] [2020-10-20 06:02:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:16,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 06:02:16,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:16,551 INFO L384 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 [2020-10-20 06:02:16,551 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:02:16,554 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:02:16,555 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:02:16,555 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:02:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:16,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:16,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307121698] [2020-10-20 06:02:16,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:16,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2020-10-20 06:02:16,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098267985] [2020-10-20 06:02:16,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-20 06:02:16,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:16,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 06:02:16,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:02:16,979 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 14 states. [2020-10-20 06:02:17,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:17,391 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2020-10-20 06:02:17,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 06:02:17,392 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2020-10-20 06:02:17,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:17,394 INFO L225 Difference]: With dead ends: 71 [2020-10-20 06:02:17,394 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 06:02:17,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2020-10-20 06:02:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 06:02:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2020-10-20 06:02:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-20 06:02:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-10-20 06:02:17,402 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 30 [2020-10-20 06:02:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:17,403 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-10-20 06:02:17,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-20 06:02:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-10-20 06:02:17,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-20 06:02:17,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:17,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:17,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-20 06:02:17,618 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:17,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:17,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1885740748, now seen corresponding path program 1 times [2020-10-20 06:02:17,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:17,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503904866] [2020-10-20 06:02:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:17,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:02:17,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:17,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:17,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503904866] [2020-10-20 06:02:17,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:17,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-20 06:02:17,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102740327] [2020-10-20 06:02:17,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:02:17,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:02:17,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:17,874 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 5 states. [2020-10-20 06:02:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:17,888 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2020-10-20 06:02:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:02:17,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-20 06:02:17,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:17,891 INFO L225 Difference]: With dead ends: 52 [2020-10-20 06:02:17,891 INFO L226 Difference]: Without dead ends: 52 [2020-10-20 06:02:17,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:17,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-20 06:02:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-20 06:02:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-20 06:02:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-10-20 06:02:17,897 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 30 [2020-10-20 06:02:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:17,897 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-10-20 06:02:17,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:02:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-10-20 06:02:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 06:02:17,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:17,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:18,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:18,106 INFO L82 PathProgramCache]: Analyzing trace with hash 844909557, now seen corresponding path program 1 times [2020-10-20 06:02:18,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:18,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037422102] [2020-10-20 06:02:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:18,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:02:18,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037422102] [2020-10-20 06:02:18,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:18,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:02:18,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588397900] [2020-10-20 06:02:18,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:02:18,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:18,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:02:18,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:02:18,369 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 3 states. [2020-10-20 06:02:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:18,409 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2020-10-20 06:02:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:02:18,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-20 06:02:18,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:18,411 INFO L225 Difference]: With dead ends: 56 [2020-10-20 06:02:18,411 INFO L226 Difference]: Without dead ends: 37 [2020-10-20 06:02:18,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:02:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-20 06:02:18,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-20 06:02:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-20 06:02:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2020-10-20 06:02:18,416 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 29 [2020-10-20 06:02:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:18,416 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2020-10-20 06:02:18,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:02:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2020-10-20 06:02:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 06:02:18,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:18,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:18,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,622 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:18,623 INFO L82 PathProgramCache]: Analyzing trace with hash -548127480, now seen corresponding path program 1 times [2020-10-20 06:02:18,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:18,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601484563] [2020-10-20 06:02:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:18,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2020-10-20 06:02:18,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:18,823 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-10-20 06:02:18,826 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:02:18,829 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:02:18,829 INFO L545 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. [2020-10-20 06:02:18,830 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2020-10-20 06:02:18,908 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-10-20 06:02:18,911 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:02:18,913 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:02:18,914 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:02:18,914 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-10-20 06:02:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:27,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:49,224 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,236 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-20 06:02:49,257 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,291 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,300 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-20 06:02:49,306 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-20 06:02:49,350 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,386 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,414 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,422 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-20 06:02:49,447 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,455 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1))))) is different from false [2020-10-20 06:02:49,461 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1))))) is different from true [2020-10-20 06:02:49,491 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,500 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-20 06:02:49,529 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,543 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-20 06:02:49,549 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,570 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) is different from false [2020-10-20 06:02:49,577 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) is different from true [2020-10-20 06:02:49,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,624 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-20 06:02:49,631 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:49,682 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-10-20 06:02:49,688 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-10-20 06:02:49,715 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-20 06:02:49,731 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-10-20 06:02:52,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,079 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,090 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-10-20 06:02:52,096 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-10-20 06:02:52,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,113 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,160 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,171 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,183 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from false [2020-10-20 06:02:52,188 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from true [2020-10-20 06:02:52,266 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-20 06:02:52,279 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-20 06:02:52,287 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,348 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from false [2020-10-20 06:02:52,359 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from true [2020-10-20 06:02:52,427 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-20 06:02:52,441 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-20 06:02:52,450 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,576 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-10-20 06:02:52,579 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-10-20 06:02:52,584 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,626 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from false [2020-10-20 06:02:52,644 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) is different from true [2020-10-20 06:02:52,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,657 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,672 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,680 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))))) is different from false [2020-10-20 06:02:52,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:52,735 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-10-20 06:02:52,746 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_20_#t~ret38.base_88|))))) is different from true [2020-10-20 06:02:52,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:52,798 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-20 06:02:52,803 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-20 06:02:52,826 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from false [2020-10-20 06:02:52,837 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from true [2020-10-20 06:02:52,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,870 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:52,873 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-20 06:02:52,878 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-20 06:02:52,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:52,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:52,970 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-20 06:02:52,975 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-20 06:02:53,019 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_72| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_72|))) (= (store |c_#valid| |v_ldv_malloc_#res.base_72| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from false [2020-10-20 06:02:53,027 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_72| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_72|))) (= (store |c_#valid| |v_ldv_malloc_#res.base_72| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21)))))) is different from true [2020-10-20 06:02:53,077 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:53,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:53,088 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-10-20 06:02:53,093 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-10-20 06:02:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:53,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601484563] [2020-10-20 06:02:53,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:53,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 21] imperfect sequences [] total 33 [2020-10-20 06:02:53,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10301330] [2020-10-20 06:02:53,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-20 06:02:53,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:53,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-20 06:02:53,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=60, NotChecked=720, Total=1122 [2020-10-20 06:02:53,173 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 34 states. [2020-10-20 06:03:11,706 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_72| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_72|))) (= (store |c_#valid| |v_ldv_malloc_#res.base_72| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21))))))) is different from true [2020-10-20 06:03:12,300 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))) (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)))) (exists ((|v_alloc_20_#t~ret38.base_88| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8)) (= (_ bv0 1) (select v_prenex_16 v_free_20_~dev~0.base_23)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_141))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_88|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_16 v_prenex_9))) (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))))) (not (= v_prenex_17 (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_88| (_ bv0 1)))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_21 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21))))))) is different from false [2020-10-20 06:03:12,313 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_20_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))))) (= |c_#valid| (store |c_old(#valid)| |c_alloc_20_#t~ret38.base| (_ bv1 1)))) is different from false [2020-10-20 06:03:12,324 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| c_alloc_20_~p~0.base (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_20_~p~0.base))) is different from false [2020-10-20 06:03:12,329 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| c_alloc_20_~p~0.base (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_20_~p~0.base))) is different from true [2020-10-20 06:03:12,344 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8)))))))) is different from false [2020-10-20 06:03:12,352 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8)))))))) is different from true [2020-10-20 06:03:12,368 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) (= c_~saved_device_20~0.base |c_ldv_register_device_#in~dev.base|)) is different from false [2020-10-20 06:03:12,385 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_15 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14))))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_10 v_prenex_9))) (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141) (_ bv0 1))) (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_10 v_free_20_~dev~0.base_23)) (not (= v_prenex_8 (store v_prenex_10 v_free_20_~dev~0.base_23 (_ bv0 1)))))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_141 (_ bv0 1)) v_prenex_8))))))) (= c_~saved_device_20~0.base |c_ldv_register_device_#in~dev.base|)) is different from true [2020-10-20 06:03:12,396 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| c_~saved_device_20~0.base) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_9 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_141 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_~saved_device_20~0.base_141)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_8) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_20| v_free_20_~dev~0.base_23))))) (not (= v_prenex_8 (store |c_old(#valid)| v_~saved_device_20~0.base_141 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-10-20 06:03:16,721 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-10-20 06:03:16,735 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7) (_ bv0 1)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4) (not (= (select v_prenex_3 v_prenex_2) (_ bv0 1))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (and (= (select v_prenex_3 v_free_20_~dev~0.base_23) (_ bv0 1)) (not (= (store v_prenex_3 v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))) (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1))))))) (= c_~saved_device_20~0.base |c_ldv_get_device_#res.base|)) is different from false [2020-10-20 06:03:16,741 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_free_20_#t~ret39.base| c_~saved_device_20~0.base) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1)))))) is different from false [2020-10-20 06:03:16,748 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~saved_device_20~0.base c_free_20_~dev~0.base) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1)))))))) is different from false [2020-10-20 06:03:16,754 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) (= c_~saved_device_20~0.base c_free_20_~p~1.base)) is different from false [2020-10-20 06:03:16,760 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_free_20_~dev~0.base_23 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_free_20_~dev~0.base_23 (_ bv0 1)) v_prenex_1))))))) (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-10-20 06:03:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:03:16,833 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-10-20 06:03:16,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-20 06:03:16,833 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 36 [2020-10-20 06:03:16,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:03:16,834 INFO L225 Difference]: With dead ends: 36 [2020-10-20 06:03:16,835 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:03:16,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 28 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 37.2s TimeCoverageRelationStatistics Valid=140, Invalid=373, Unknown=105, NotChecked=1932, Total=2550 [2020-10-20 06:03:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:03:16,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:03:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:03:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:03:16,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-20 06:03:16,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:03:16,838 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:03:16,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-20 06:03:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:03:16,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:03:17,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-20 06:03:17,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:03:17 BoogieIcfgContainer [2020-10-20 06:03:17,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:03:17,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:03:17,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:03:17,047 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:03:17,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:10" (3/4) ... [2020-10-20 06:03:17,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:03:17,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-20 06:03:17,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_20 [2020-10-20 06:03:17,058 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_register_device [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_deregister_device [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-20 06:03:17,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-20 06:03:17,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_get_device [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-20 06:03:17,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-20 06:03:17,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-20 06:03:17,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-20 06:03:17,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:03:17,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_20 [2020-10-20 06:03:17,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-20 06:03:17,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-20 06:03:17,064 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-20 06:03:17,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-20 06:03:17,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2020-10-20 06:03:17,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 06:03:17,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:03:17,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:03:17,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:03:17,131 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:03:17,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:03:17,136 INFO L168 Benchmark]: Toolchain (without parser) took 69449.57 ms. Allocated memory was 36.7 MB in the beginning and 111.7 MB in the end (delta: 75.0 MB). Free memory was 16.6 MB in the beginning and 19.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 72.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,137 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.6 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.94 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 15.7 MB in the beginning and 21.0 MB in the end (delta: -5.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,137 INFO L168 Benchmark]: Boogie Preprocessor took 96.43 ms. Allocated memory is still 46.7 MB. Free memory was 21.0 MB in the beginning and 15.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,138 INFO L168 Benchmark]: RCFGBuilder took 1401.93 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 15.6 MB in the beginning and 11.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,138 INFO L168 Benchmark]: TraceAbstraction took 66898.56 ms. Allocated memory was 56.6 MB in the beginning and 111.7 MB in the end (delta: 55.1 MB). Free memory was 10.7 MB in the beginning and 26.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,139 INFO L168 Benchmark]: Witness Printer took 85.50 ms. Allocated memory is still 111.7 MB. Free memory was 26.9 MB in the beginning and 19.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:03:17,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.6 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 956.94 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 15.7 MB in the beginning and 21.0 MB in the end (delta: -5.3 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 96.43 ms. Allocated memory is still 46.7 MB. Free memory was 21.0 MB in the beginning and 15.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1401.93 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 15.6 MB in the beginning and 11.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 66898.56 ms. Allocated memory was 56.6 MB in the beginning and 111.7 MB in the end (delta: 55.1 MB). Free memory was 10.7 MB in the beginning and 26.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. * Witness Printer took 85.50 ms. Allocated memory is still 111.7 MB. Free memory was 26.9 MB in the beginning and 19.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 789]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 356 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 290 SDtfs, 251 SDslu, 1106 SDs, 0 SdLazy, 1163 SolverSat, 133 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 539 GetRequests, 394 SyntacticMatches, 7 SemanticMatches, 138 ConstructedPredicates, 28 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 39.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 444 ConstructedInterpolants, 43 QuantifiedInterpolants, 108537 SizeOfPredicates, 38 NumberOfNonLiveVariables, 929 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...