./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL --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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:48:09,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:48:09,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:48:09,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:48:09,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:48:09,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:48:09,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:48:09,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:48:09,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:48:09,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:48:09,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:48:09,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:48:09,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:48:09,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:48:09,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:48:09,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:48:09,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:48:09,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:48:09,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:48:09,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:48:09,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:48:09,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:48:09,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:48:09,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:48:09,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:48:09,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:48:09,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:48:09,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:48:09,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:48:09,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:48:09,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:48:09,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:48:09,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:48:09,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:48:09,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:48:09,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:48:09,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:48:09,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:48:09,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:48:09,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:48:09,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:48:09,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-19 04:48:09,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:48:09,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:48:09,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:48:09,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:48:09,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:48:09,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:48:09,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:48:09,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:48:09,742 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:48:09,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:48:09,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:48:09,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:48:09,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:48:09,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:48:09,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:48:09,744 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 04:48:09,745 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 04:48:09,745 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 04:48:09,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:48:09,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 04:48:09,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:48:09,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:48:09,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:48:09,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:48:09,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:48:09,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:48:09,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:48:09,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:48:09,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:48:09,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:48:09,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:48:09,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-11-19 04:48:10,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:48:10,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:48:10,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:48:10,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:48:10,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:48:10,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-11-19 04:48:10,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/33dff937e/7c8f8d3b57234e33a0a2554ad1803ce7/FLAG3fb012030 [2021-11-19 04:48:10,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:48:10,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-11-19 04:48:10,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/33dff937e/7c8f8d3b57234e33a0a2554ad1803ce7/FLAG3fb012030 [2021-11-19 04:48:11,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/33dff937e/7c8f8d3b57234e33a0a2554ad1803ce7 [2021-11-19 04:48:11,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:48:11,155 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 04:48:11,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:48:11,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:48:11,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:48:11,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:11" (1/1) ... [2021-11-19 04:48:11,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fedb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:11, skipping insertion in model container [2021-11-19 04:48:11,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:11" (1/1) ... [2021-11-19 04:48:11,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:48:11,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:48:11,812 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:48:11,832 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) [2021-11-19 04:48:11,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55899e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:11, skipping insertion in model container [2021-11-19 04:48:11,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:48:11,834 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-19 04:48:11,836 INFO L158 Benchmark]: Toolchain (without parser) took 679.88ms. Allocated memory is still 111.1MB. Free memory was 73.5MB in the beginning and 83.2MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:48:11,837 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:48:11,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.03ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 83.2MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:48:11,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.03ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 83.2MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL --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 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:48:14,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:48:14,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:48:14,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:48:14,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:48:14,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:48:14,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:48:14,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:48:14,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:48:14,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:48:14,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:48:14,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:48:14,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:48:14,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:48:14,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:48:14,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:48:14,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:48:14,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:48:14,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:48:14,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:48:14,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:48:14,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:48:14,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:48:14,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:48:14,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:48:14,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:48:14,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:48:14,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:48:14,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:48:14,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:48:14,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:48:14,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:48:14,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:48:14,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:48:14,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:48:14,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:48:14,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:48:14,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:48:14,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:48:14,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:48:14,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:48:14,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-19 04:48:14,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:48:14,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:48:14,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:48:14,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:48:14,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:48:14,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:48:14,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:48:14,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:48:14,783 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:48:14,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:48:14,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:48:14,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:48:14,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:48:14,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:48:14,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:48:14,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 04:48:14,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 04:48:14,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 04:48:14,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:48:14,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 04:48:14,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 04:48:14,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 04:48:14,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:48:14,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:48:14,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:48:14,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:48:14,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:48:14,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:48:14,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:48:14,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:48:14,791 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 04:48:14,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 04:48:14,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:48:14,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 04:48:14,792 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3afced8f9a8fb9c36e6297fc454d6fa3dc7a1789295b6dfeeaf7e663bd888ba5 [2021-11-19 04:48:15,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:48:15,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:48:15,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:48:15,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:48:15,300 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:48:15,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-11-19 04:48:15,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/ebdf03c13/472a6311f022411eab64e4814416c9f1/FLAG83bb72bb7 [2021-11-19 04:48:16,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:48:16,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2021-11-19 04:48:16,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/ebdf03c13/472a6311f022411eab64e4814416c9f1/FLAG83bb72bb7 [2021-11-19 04:48:16,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/data/ebdf03c13/472a6311f022411eab64e4814416c9f1 [2021-11-19 04:48:16,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:48:16,403 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-19 04:48:16,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:48:16,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:48:16,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:48:16,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:16" (1/1) ... [2021-11-19 04:48:16,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef998d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:16, skipping insertion in model container [2021-11-19 04:48:16,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:16" (1/1) ... [2021-11-19 04:48:16,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:48:16,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:48:17,087 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:48:17,109 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 04:48:17,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:48:17,182 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:48:17,193 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:48:17,303 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:48:17,380 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:48:17,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17 WrapperNode [2021-11-19 04:48:17,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:48:17,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:48:17,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:48:17,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:48:17,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:48:17,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:48:17,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:48:17,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:48:17,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (1/1) ... [2021-11-19 04:48:17,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:48:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:48:17,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:48:17,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:48:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-19 04:48:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:48:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:48:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 04:48:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-19 04:48:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-19 04:48:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-19 04:48:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-19 04:48:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-19 04:48:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-19 04:48:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-19 04:48:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:48:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 04:48:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-19 04:48:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-19 04:48:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-19 04:48:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-19 04:48:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-19 04:48:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-19 04:48:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-19 04:48:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-19 04:48:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-19 04:48:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-19 04:48:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-19 04:48:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 04:48:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 04:48:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-19 04:48:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-19 04:48:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-19 04:48:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-19 04:48:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-19 04:48:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-19 04:48:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-19 04:48:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-19 04:48:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-19 04:48:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-19 04:48:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-19 04:48:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-19 04:48:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-19 04:48:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-19 04:48:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-19 04:48:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-19 04:48:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2021-11-19 04:48:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2021-11-19 04:48:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-19 04:48:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-19 04:48:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:48:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 04:48:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:48:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-19 04:48:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-19 04:48:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-19 04:48:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-19 04:48:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-19 04:48:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-19 04:48:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-19 04:48:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-19 04:48:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-19 04:48:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-19 04:48:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-19 04:48:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-19 04:48:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-19 04:48:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-19 04:48:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-19 04:48:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-19 04:48:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-19 04:48:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-19 04:48:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-19 04:48:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-19 04:48:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-19 04:48:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-19 04:48:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-19 04:48:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-19 04:48:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-19 04:48:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-19 04:48:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-19 04:48:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-19 04:48:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-19 04:48:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-19 04:48:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-19 04:48:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-19 04:48:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-19 04:48:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-19 04:48:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-19 04:48:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-19 04:48:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-19 04:48:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-19 04:48:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-19 04:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-19 04:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-19 04:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-19 04:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-19 04:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-19 04:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-19 04:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-19 04:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-19 04:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-19 04:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-19 04:48:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-19 04:48:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-19 04:48:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-19 04:48:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-19 04:48:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-19 04:48:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-19 04:48:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-19 04:48:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-19 04:48:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-19 04:48:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-19 04:48:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-19 04:48:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-19 04:48:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-19 04:48:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-19 04:48:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-19 04:48:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-19 04:48:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-19 04:48:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-19 04:48:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-19 04:48:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-19 04:48:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-19 04:48:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-19 04:48:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-19 04:48:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-19 04:48:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-19 04:48:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-19 04:48:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-19 04:48:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-19 04:48:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-19 04:48:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-19 04:48:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-19 04:48:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-19 04:48:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-19 04:48:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-19 04:48:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-19 04:48:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-19 04:48:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-19 04:48:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-19 04:48:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-19 04:48:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-19 04:48:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-19 04:48:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-19 04:48:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-19 04:48:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 04:48:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-19 04:48:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-19 04:48:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-19 04:48:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-19 04:48:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-19 04:48:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:48:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-19 04:48:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-19 04:48:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-19 04:48:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:48:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-19 04:48:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-19 04:48:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-19 04:48:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-19 04:48:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:48:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-19 04:48:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:48:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-19 04:48:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-19 04:48:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-19 04:48:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-19 04:48:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:48:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-19 04:48:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-19 04:48:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-19 04:48:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-19 04:48:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-19 04:48:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-19 04:48:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:48:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-19 04:48:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-19 04:48:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2021-11-19 04:48:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:48:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:48:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-19 04:48:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 04:48:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 04:48:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:48:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:48:18,250 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:48:18,253 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:48:18,560 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 04:48:19,088 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 04:48:19,478 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:48:19,503 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:48:19,504 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 04:48:19,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:19 BoogieIcfgContainer [2021-11-19 04:48:19,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:48:19,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:48:19,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:48:19,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:48:19,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:16" (1/3) ... [2021-11-19 04:48:19,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a71fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:19, skipping insertion in model container [2021-11-19 04:48:19,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:17" (2/3) ... [2021-11-19 04:48:19,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a71fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:19, skipping insertion in model container [2021-11-19 04:48:19,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:19" (3/3) ... [2021-11-19 04:48:19,519 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2021-11-19 04:48:19,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:48:19,527 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-19 04:48:19,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:48:19,590 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:48:19,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-19 04:48:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-19 04:48:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 04:48:19,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:48:19,635 INFO L514 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] [2021-11-19 04:48:19,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_16Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 04:48:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2021-11-19 04:48:19,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:48:19,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301224986] [2021-11-19 04:48:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:19,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:48:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:48:19,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:48:19,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 04:48:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:19,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 04:48:19,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:48:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:20,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:48:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:20,250 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:48:20,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301224986] [2021-11-19 04:48:20,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301224986] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:20,251 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:20,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 04:48:20,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705495695] [2021-11-19 04:48:20,254 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:20,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:48:20,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:48:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:48:20,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:48:20,308 INFO L87 Difference]: Start difference. First operand has 106 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:20,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:48:20,393 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-11-19 04:48:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:48:20,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-19 04:48:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:48:20,406 INFO L225 Difference]: With dead ends: 35 [2021-11-19 04:48:20,406 INFO L226 Difference]: Without dead ends: 32 [2021-11-19 04:48:20,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:48:20,413 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 17 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:48:20,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 226 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:48:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-19 04:48:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-19 04:48:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 04:48:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-11-19 04:48:20,458 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2021-11-19 04:48:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:48:20,458 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-11-19 04:48:20,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-11-19 04:48:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:48:20,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:48:20,461 INFO L514 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] [2021-11-19 04:48:20,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:48:20,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:48:20,680 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_16Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 04:48:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2021-11-19 04:48:20,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:48:20,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221105440] [2021-11-19 04:48:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:20,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:48:20,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:48:20,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:48:20,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 04:48:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:20,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 04:48:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:48:21,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:21,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:48:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:21,719 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:48:21,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221105440] [2021-11-19 04:48:21,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221105440] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:21,720 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:21,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2021-11-19 04:48:21,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29939126] [2021-11-19 04:48:21,720 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:21,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 04:48:21,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:48:21,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 04:48:21,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-19 04:48:21,723 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-19 04:48:22,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:48:22,209 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-19 04:48:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 04:48:22,210 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 23 [2021-11-19 04:48:22,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:48:22,214 INFO L225 Difference]: With dead ends: 48 [2021-11-19 04:48:22,214 INFO L226 Difference]: Without dead ends: 48 [2021-11-19 04:48:22,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-19 04:48:22,217 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 49 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:48:22,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 171 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 04:48:22,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-19 04:48:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2021-11-19 04:48:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 04:48:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2021-11-19 04:48:22,227 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2021-11-19 04:48:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:48:22,227 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2021-11-19 04:48:22,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-19 04:48:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-11-19 04:48:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 04:48:22,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:48:22,229 INFO L514 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] [2021-11-19 04:48:22,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:48:22,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:48:22,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 04:48:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2021-11-19 04:48:22,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:48:22,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591736222] [2021-11-19 04:48:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:22,451 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:48:22,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:48:22,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:48:22,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 04:48:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:22,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 04:48:22,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:48:22,689 INFO L388 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 [2021-11-19 04:48:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:22,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:48:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:23,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:48:23,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591736222] [2021-11-19 04:48:23,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591736222] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:23,142 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:23,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 04:48:23,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613911165] [2021-11-19 04:48:23,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:23,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:48:23,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:48:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:48:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:48:23,144 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:23,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:48:23,310 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2021-11-19 04:48:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:48:23,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-19 04:48:23,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:48:23,312 INFO L225 Difference]: With dead ends: 47 [2021-11-19 04:48:23,312 INFO L226 Difference]: Without dead ends: 47 [2021-11-19 04:48:23,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:48:23,315 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 9 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:48:23,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 162 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:48:23,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-19 04:48:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-11-19 04:48:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-19 04:48:23,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-11-19 04:48:23,329 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-11-19 04:48:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:48:23,329 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-11-19 04:48:23,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-11-19 04:48:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 04:48:23,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:48:23,332 INFO L514 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] [2021-11-19 04:48:23,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:48:23,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:48:23,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_16Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 04:48:23,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:23,546 INFO L85 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2021-11-19 04:48:23,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:48:23,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518642191] [2021-11-19 04:48:23,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:23,547 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:48:23,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:48:23,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:48:23,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 04:48:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:23,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 04:48:23,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:48:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:23,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:48:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:24,007 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:48:24,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518642191] [2021-11-19 04:48:24,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518642191] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:24,008 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:24,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-19 04:48:24,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469025929] [2021-11-19 04:48:24,008 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:24,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:48:24,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:48:24,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:48:24,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:48:24,010 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:24,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:48:24,104 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-19 04:48:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:48:24,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-19 04:48:24,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:48:24,107 INFO L225 Difference]: With dead ends: 48 [2021-11-19 04:48:24,107 INFO L226 Difference]: Without dead ends: 48 [2021-11-19 04:48:24,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:48:24,109 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:48:24,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 311 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:48:24,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-19 04:48:24,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2021-11-19 04:48:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-19 04:48:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-11-19 04:48:24,119 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2021-11-19 04:48:24,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:48:24,120 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-11-19 04:48:24,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-19 04:48:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-19 04:48:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-19 04:48:24,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:48:24,121 INFO L514 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] [2021-11-19 04:48:24,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:48:24,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:48:24,328 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-19 04:48:24,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2021-11-19 04:48:24,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:48:24,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071171580] [2021-11-19 04:48:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:24,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:48:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:48:24,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:48:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 04:48:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:48:24,515 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:48:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:48:24,607 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-19 04:48:24,607 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 04:48:24,608 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (73 of 74 remaining) [2021-11-19 04:48:24,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (72 of 74 remaining) [2021-11-19 04:48:24,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (71 of 74 remaining) [2021-11-19 04:48:24,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (70 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (69 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (68 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (67 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (66 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (65 of 74 remaining) [2021-11-19 04:48:24,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (64 of 74 remaining) [2021-11-19 04:48:24,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (63 of 74 remaining) [2021-11-19 04:48:24,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (62 of 74 remaining) [2021-11-19 04:48:24,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (61 of 74 remaining) [2021-11-19 04:48:24,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (60 of 74 remaining) [2021-11-19 04:48:24,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (59 of 74 remaining) [2021-11-19 04:48:24,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (58 of 74 remaining) [2021-11-19 04:48:24,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (57 of 74 remaining) [2021-11-19 04:48:24,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (56 of 74 remaining) [2021-11-19 04:48:24,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (55 of 74 remaining) [2021-11-19 04:48:24,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (54 of 74 remaining) [2021-11-19 04:48:24,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (53 of 74 remaining) [2021-11-19 04:48:24,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (52 of 74 remaining) [2021-11-19 04:48:24,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (51 of 74 remaining) [2021-11-19 04:48:24,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (50 of 74 remaining) [2021-11-19 04:48:24,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (49 of 74 remaining) [2021-11-19 04:48:24,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (48 of 74 remaining) [2021-11-19 04:48:24,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (47 of 74 remaining) [2021-11-19 04:48:24,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (46 of 74 remaining) [2021-11-19 04:48:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (45 of 74 remaining) [2021-11-19 04:48:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (44 of 74 remaining) [2021-11-19 04:48:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (43 of 74 remaining) [2021-11-19 04:48:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (42 of 74 remaining) [2021-11-19 04:48:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (41 of 74 remaining) [2021-11-19 04:48:24,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (40 of 74 remaining) [2021-11-19 04:48:24,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (39 of 74 remaining) [2021-11-19 04:48:24,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (38 of 74 remaining) [2021-11-19 04:48:24,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (37 of 74 remaining) [2021-11-19 04:48:24,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (36 of 74 remaining) [2021-11-19 04:48:24,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (35 of 74 remaining) [2021-11-19 04:48:24,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (34 of 74 remaining) [2021-11-19 04:48:24,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (33 of 74 remaining) [2021-11-19 04:48:24,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (32 of 74 remaining) [2021-11-19 04:48:24,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (31 of 74 remaining) [2021-11-19 04:48:24,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-11-19 04:48:24,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-11-19 04:48:24,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-11-19 04:48:24,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-11-19 04:48:24,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-11-19 04:48:24,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (25 of 74 remaining) [2021-11-19 04:48:24,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-11-19 04:48:24,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-11-19 04:48:24,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-11-19 04:48:24,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-11-19 04:48:24,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-11-19 04:48:24,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-11-19 04:48:24,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-11-19 04:48:24,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-11-19 04:48:24,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-11-19 04:48:24,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-11-19 04:48:24,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-11-19 04:48:24,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-11-19 04:48:24,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-11-19 04:48:24,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-11-19 04:48:24,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (10 of 74 remaining) [2021-11-19 04:48:24,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (9 of 74 remaining) [2021-11-19 04:48:24,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (8 of 74 remaining) [2021-11-19 04:48:24,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (7 of 74 remaining) [2021-11-19 04:48:24,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (6 of 74 remaining) [2021-11-19 04:48:24,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (5 of 74 remaining) [2021-11-19 04:48:24,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (4 of 74 remaining) [2021-11-19 04:48:24,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (3 of 74 remaining) [2021-11-19 04:48:24,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err0ASSERT_VIOLATIONMEMORY_FREE (2 of 74 remaining) [2021-11-19 04:48:24,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err1ASSERT_VIOLATIONMEMORY_FREE (1 of 74 remaining) [2021-11-19 04:48:24,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_16Err2ASSERT_VIOLATIONMEMORY_FREE (0 of 74 remaining) [2021-11-19 04:48:24,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:48:24,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:48:24,844 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 04:48:24,847 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:48:24,857 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-19 04:48:24,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:48:24 BoogieIcfgContainer [2021-11-19 04:48:24,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:48:24,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:48:24,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:48:24,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:48:24,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:19" (3/4) ... [2021-11-19 04:48:24,880 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:48:24,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:48:24,881 INFO L158 Benchmark]: Toolchain (without parser) took 8477.16ms. Allocated memory was 56.6MB in the beginning and 115.3MB in the end (delta: 58.7MB). Free memory was 32.9MB in the beginning and 83.3MB in the end (delta: -50.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-19 04:48:24,881 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:48:24,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.58ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 32.7MB in the beginning and 53.2MB in the end (delta: -20.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:48:24,882 INFO L158 Benchmark]: Boogie Preprocessor took 174.36ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 68.8MB in the end (delta: -15.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-19 04:48:24,883 INFO L158 Benchmark]: RCFGBuilder took 1953.00ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 45.8MB in the end (delta: 23.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-19 04:48:24,884 INFO L158 Benchmark]: TraceAbstraction took 5361.85ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 45.3MB in the beginning and 84.2MB in the end (delta: -38.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-19 04:48:24,884 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:48:24,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.58ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 32.7MB in the beginning and 53.2MB in the end (delta: -20.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.36ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 68.8MB in the end (delta: -15.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1953.00ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 45.8MB in the end (delta: 23.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5361.85ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 45.3MB in the beginning and 84.2MB in the end (delta: -38.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 774]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 774. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L775] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L770] int condition = __VERIFIER_nondet_int(); [L771] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}] [L761] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L761] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L761] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L762] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L771] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={-2147483648:0}] [L771] struct A16 *p = alloc_unsafe_16(condition); [L772] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L765] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}, p={1:0}] [L772] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L775] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 870 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 746 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 393 IncrementalHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 124 mSDtfsCounter, 393 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 SizeOfPredicates, 9 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 could not prove your program: unable to determine feasibility of some traces [2021-11-19 04:48:24,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bda4996-ab1c-497f-9193-5dbaf2e1bbdc/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample