./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y --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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:21:16,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:21:16,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:21:16,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:21:16,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:21:16,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:21:16,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:21:16,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:21:16,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:21:16,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:21:16,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:21:16,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:21:16,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:21:16,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:21:16,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:21:16,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:21:16,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:21:16,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:21:16,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:21:16,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:21:16,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:21:16,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:21:16,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:21:16,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:21:16,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:21:16,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:21:16,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:21:16,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:21:16,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:21:16,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:21:16,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:21:16,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:21:16,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:21:16,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:21:16,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:21:16,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:21:16,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:21:16,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:21:16,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:21:16,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:21:16,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:21:16,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-13 18:21:16,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:21:16,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:21:16,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:21:16,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:21:16,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:21:16,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:21:16,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:21:16,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:21:16,834 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:21:16,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:21:16,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:21:16,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:21:16,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:21:16,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:21:16,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:21:16,836 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:21:16,836 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:21:16,837 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:21:16,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:21:16,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:21:16,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:21:16,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:21:16,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:21:16,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:21:16,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:21:16,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:21:16,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:21:16,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:21:16,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:21:16,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:21:16,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:21:16,840 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_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-11-13 18:21:17,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:21:17,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:21:17,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:21:17,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:21:17,204 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:21:17,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-11-13 18:21:17,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/37f608868/6cca281ea4f949eab1321a138e9fede5/FLAG0f2cd3b68 [2021-11-13 18:21:18,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:21:18,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-11-13 18:21:18,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/37f608868/6cca281ea4f949eab1321a138e9fede5/FLAG0f2cd3b68 [2021-11-13 18:21:18,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/37f608868/6cca281ea4f949eab1321a138e9fede5 [2021-11-13 18:21:18,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:21:18,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:21:18,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:21:18,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:21:18,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:21:18,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:21:18" (1/1) ... [2021-11-13 18:21:18,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb4ac8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:18, skipping insertion in model container [2021-11-13 18:21:18,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:21:18" (1/1) ... [2021-11-13 18:21:18,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:21:18,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:21:19,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:21:19,191 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) [2021-11-13 18:21:19,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63c9067a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:19, skipping insertion in model container [2021-11-13 18:21:19,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:21:19,193 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 18:21:19,198 INFO L158 Benchmark]: Toolchain (without parser) took 843.91ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 54.5MB in the beginning and 100.8MB in the end (delta: -46.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:21:19,200 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:21:19,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.94ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 54.2MB in the beginning and 100.8MB in the end (delta: -46.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:21:19,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.94ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 54.2MB in the beginning and 100.8MB in the end (delta: -46.6MB). Peak memory consumption was 6.3MB. 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_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y --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 b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:21:22,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:21:22,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:21:22,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:21:22,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:21:22,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:21:22,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:21:22,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:21:22,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:21:22,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:21:22,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:21:22,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:21:22,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:21:22,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:21:22,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:21:22,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:21:22,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:21:22,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:21:22,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:21:22,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:21:22,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:21:22,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:21:22,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:21:22,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:21:22,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:21:22,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:21:22,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:21:22,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:21:22,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:21:22,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:21:22,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:21:22,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:21:22,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:21:22,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:21:22,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:21:22,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:21:22,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:21:22,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:21:22,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:21:22,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:21:22,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:21:22,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-13 18:21:22,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:21:22,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:21:22,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:21:22,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:21:22,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:21:22,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:21:22,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:21:22,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:21:22,618 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:21:22,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:21:22,620 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:21:22,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:21:22,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:21:22,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:21:22,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:21:22,622 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:21:22,623 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:21:22,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:21:22,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:21:22,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:21:22,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:21:22,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:21:22,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:21:22,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:21:22,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:21:22,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:21:22,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:21:22,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:21:22,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:21:22,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:21:22,628 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:21:22,628 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:21:22,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:21:22,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:21:22,629 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_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b629c59cb02331023154e63644c8b3df364c0289a571dc32bf43bc9966f32e99 [2021-11-13 18:21:23,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:21:23,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:21:23,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:21:23,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:21:23,219 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:21:23,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-11-13 18:21:23,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/ec00c432d/db99e3b7bef246c5ae30bb30549bee05/FLAGb369ce89a [2021-11-13 18:21:24,142 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:21:24,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2021-11-13 18:21:24,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/ec00c432d/db99e3b7bef246c5ae30bb30549bee05/FLAGb369ce89a [2021-11-13 18:21:24,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/data/ec00c432d/db99e3b7bef246c5ae30bb30549bee05 [2021-11-13 18:21:24,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:21:24,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:21:24,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:21:24,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:21:24,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:21:24,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:21:24" (1/1) ... [2021-11-13 18:21:24,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ac57cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:24, skipping insertion in model container [2021-11-13 18:21:24,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:21:24" (1/1) ... [2021-11-13 18:21:24,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:21:24,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:21:25,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:21:25,166 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 18:21:25,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:21:25,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:21:25,306 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:21:25,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:21:25,467 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:21:25,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25 WrapperNode [2021-11-13 18:21:25,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:21:25,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:21:25,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:21:25,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:21:25,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:21:25,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:21:25,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:21:25,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:21:25,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (1/1) ... [2021-11-13 18:21:25,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:21:25,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:21:25,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:21:25,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:21:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 18:21:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:21:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:21:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:21:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 18:21:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 18:21:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-13 18:21:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-13 18:21:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-13 18:21:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-13 18:21:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-13 18:21:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:21:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:21:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-13 18:21:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-13 18:21:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-13 18:21:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-13 18:21:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-13 18:21:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-13 18:21:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-13 18:21:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-13 18:21:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-13 18:21:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-13 18:21:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-13 18:21:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 18:21:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:21:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-13 18:21:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-13 18:21:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-13 18:21:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-13 18:21:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-13 18:21:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-13 18:21:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-13 18:21:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-13 18:21:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-13 18:21:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-13 18:21:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 18:21:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-13 18:21:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 18:21:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:21:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:21:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:21:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 18:21:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 18:21:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 18:21:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 18:21:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 18:21:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 18:21:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 18:21:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 18:21:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 18:21:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 18:21:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 18:21:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 18:21:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 18:21:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 18:21:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 18:21:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 18:21:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 18:21:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 18:21:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-13 18:21:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-13 18:21:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-13 18:21:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 18:21:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 18:21:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 18:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 18:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 18:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 18:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 18:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 18:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 18:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 18:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 18:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 18:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 18:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 18:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 18:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 18:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 18:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 18:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 18:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 18:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 18:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 18:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 18:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 18:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 18:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 18:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 18:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 18:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 18:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-13 18:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 18:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 18:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-13 18:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 18:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 18:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 18:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 18:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 18:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 18:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 18:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 18:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 18:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 18:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 18:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 18:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 18:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 18:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 18:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 18:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 18:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 18:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 18:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 18:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 18:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 18:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 18:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 18:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-13 18:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-13 18:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-13 18:21:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-13 18:21:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-13 18:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:21:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:21:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 18:21:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 18:21:26,634 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:21:27,103 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:21:27,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:21:27,593 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:21:27,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:21:27 BoogieIcfgContainer [2021-11-13 18:21:27,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:21:27,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:21:27,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:21:27,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:21:27,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:21:24" (1/3) ... [2021-11-13 18:21:27,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4cc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:21:27, skipping insertion in model container [2021-11-13 18:21:27,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:21:25" (2/3) ... [2021-11-13 18:21:27,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4cc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:21:27, skipping insertion in model container [2021-11-13 18:21:27,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:21:27" (3/3) ... [2021-11-13 18:21:27,617 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2021-11-13 18:21:27,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:21:27,625 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-11-13 18:21:27,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:21:27,718 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 [2021-11-13 18:21:27,719 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-11-13 18:21:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-13 18:21:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 18:21:27,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:21:27,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:21:27,760 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 18:21:27,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:21:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2021-11-13 18:21:27,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:21:27,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869882578] [2021-11-13 18:21:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:27,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:21:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:21:27,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:21:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:21:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:28,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:21:28,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:28,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:28,302 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:21:28,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869882578] [2021-11-13 18:21:28,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869882578] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:21:28,304 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:21:28,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:21:28,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200939954] [2021-11-13 18:21:28,307 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:21:28,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:21:28,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:21:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:21:28,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:28,352 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:28,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:21:28,391 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-11-13 18:21:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:21:28,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-11-13 18:21:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:21:28,412 INFO L225 Difference]: With dead ends: 24 [2021-11-13 18:21:28,413 INFO L226 Difference]: Without dead ends: 21 [2021-11-13 18:21:28,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:28,420 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.20ms IncrementalHoareTripleChecker+Time [2021-11-13 18:21:28,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 79 Invalid, 7 Unknown, 0 Unchecked, 2.45ms Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 13.20ms Time] [2021-11-13 18:21:28,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-13 18:21:28,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-13 18:21:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:21:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-11-13 18:21:28,457 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2021-11-13 18:21:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:21:28,458 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-11-13 18:21:28,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-11-13 18:21:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 18:21:28,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:21:28,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:21:28,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:21:28,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:21:28,664 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 18:21:28,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:21:28,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2021-11-13 18:21:28,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:21:28,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608081374] [2021-11-13 18:21:28,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:28,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:21:28,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:21:28,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:21:28,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:21:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:28,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:21:28,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:29,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:29,272 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:21:29,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608081374] [2021-11-13 18:21:29,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608081374] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:21:29,272 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:21:29,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-11-13 18:21:29,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137363959] [2021-11-13 18:21:29,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:21:29,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:21:29,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:21:29,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:21:29,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:21:29,277 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 18:21:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:21:29,474 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-11-13 18:21:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:21:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 14 [2021-11-13 18:21:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:21:29,480 INFO L225 Difference]: With dead ends: 28 [2021-11-13 18:21:29,480 INFO L226 Difference]: Without dead ends: 28 [2021-11-13 18:21:29,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:21:29,482 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 19 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.47ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 178.89ms IncrementalHoareTripleChecker+Time [2021-11-13 18:21:29,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 52 Invalid, 66 Unknown, 0 Unchecked, 3.47ms Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 178.89ms Time] [2021-11-13 18:21:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-13 18:21:29,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2021-11-13 18:21:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:21:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-13 18:21:29,498 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2021-11-13 18:21:29,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:21:29,499 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-11-13 18:21:29,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 18:21:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-13 18:21:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:21:29,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:21:29,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:21:29,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:21:29,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:21:29,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 18:21:29,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:21:29,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2021-11-13 18:21:29,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:21:29,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877203928] [2021-11-13 18:21:29,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:29,727 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:21:29,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:21:29,729 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:21:29,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:21:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:29,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:21:29,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:30,008 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 [2021-11-13 18:21:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:30,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:30,176 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:21:30,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877203928] [2021-11-13 18:21:30,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877203928] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:21:30,177 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:21:30,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:21:30,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133446613] [2021-11-13 18:21:30,177 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:21:30,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:21:30,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:21:30,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:21:30,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:30,186 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:21:30,251 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-11-13 18:21:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:21:30,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-11-13 18:21:30,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:21:30,257 INFO L225 Difference]: With dead ends: 26 [2021-11-13 18:21:30,257 INFO L226 Difference]: Without dead ends: 26 [2021-11-13 18:21:30,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:30,271 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.47ms IncrementalHoareTripleChecker+Time [2021-11-13 18:21:30,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 26 Unknown, 0 Unchecked, 4.49ms Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 49.47ms Time] [2021-11-13 18:21:30,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-13 18:21:30,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-13 18:21:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-13 18:21:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-11-13 18:21:30,285 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2021-11-13 18:21:30,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:21:30,286 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-11-13 18:21:30,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-11-13 18:21:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:21:30,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:21:30,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:21:30,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:21:30,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:21:30,513 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-11-13 18:21:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:21:30,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2021-11-13 18:21:30,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:21:30,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421529065] [2021-11-13 18:21:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:30,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:21:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:21:30,517 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:21:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:21:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:30,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:21:30,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:30,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:30,891 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:21:30,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421529065] [2021-11-13 18:21:30,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421529065] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:21:30,891 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:21:30,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:21:30,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564776541] [2021-11-13 18:21:30,892 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:21:30,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:21:30,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:21:30,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:21:30,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:30,895 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:30,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:21:30,926 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-11-13 18:21:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:21:30,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2021-11-13 18:21:30,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:21:30,928 INFO L225 Difference]: With dead ends: 27 [2021-11-13 18:21:30,929 INFO L226 Difference]: Without dead ends: 27 [2021-11-13 18:21:30,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:21:30,931 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.83ms IncrementalHoareTripleChecker+Time [2021-11-13 18:21:30,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 86 Invalid, 14 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 24.83ms Time] [2021-11-13 18:21:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-13 18:21:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-11-13 18:21:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 18:21:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-13 18:21:30,939 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2021-11-13 18:21:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:21:30,940 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-11-13 18:21:30,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:21:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-13 18:21:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:21:30,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:21:30,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:21:30,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-13 18:21:31,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:21:31,161 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)] === [2021-11-13 18:21:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:21:31,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2021-11-13 18:21:31,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:21:31,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753351329] [2021-11-13 18:21:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:31,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:21:31,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:21:31,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:21:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:21:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 18:21:31,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:31,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:44,615 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_28| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_28|)))) (= |v_old(#valid)_BEFORE_CALL_3| (store |c_#valid| |v_entry_point_#t~ret38.base_28| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))))) is different from false [2021-11-13 18:21:44,628 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:21:44,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753351329] [2021-11-13 18:21:44,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_3|] [2021-11-13 18:21:44,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1786010709] [2021-11-13 18:21:44,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:21:44,630 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 18:21:44,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/cvc4 [2021-11-13 18:21:44,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 18:21:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-13 18:21:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:21:44,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 18:21:44,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:21:44,979 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-13 18:21:44,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-11-13 18:21:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:21:55,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:21:59,793 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-11-13 18:21:59,904 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| c_entry_point_~p~0.base (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-11-13 18:22:00,347 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_7| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_37| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_37|)))))) (= |v_old(#valid)_BEFORE_CALL_7| (store |c_#valid| |v_entry_point_#t~ret38.base_37| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_7| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-11-13 18:22:00,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_7|] [2021-11-13 18:22:00,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519122603] [2021-11-13 18:22:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:22:00,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:22:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:22:00,365 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:22:00,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 18:22:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:22:00,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 18:22:00,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:22:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:22:00,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:22:05,229 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-11-13 18:22:10,976 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret38.base_46| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_entry_point_#t~ret38.base_46| (_ bv0 1))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_entry_point_#t~ret38.base_46|)))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~p~0.base_12)))))))))))) is different from false [2021-11-13 18:22:10,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_old(#valid)_BEFORE_CALL_11|] [2021-11-13 18:22:10,987 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:22:10,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 18:22:10,988 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-13 18:22:10,988 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 18:22:10,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (73 of 74 remaining) [2021-11-13 18:22:11,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (72 of 74 remaining) [2021-11-13 18:22:11,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (71 of 74 remaining) [2021-11-13 18:22:11,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (70 of 74 remaining) [2021-11-13 18:22:11,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (69 of 74 remaining) [2021-11-13 18:22:11,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (68 of 74 remaining) [2021-11-13 18:22:11,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (67 of 74 remaining) [2021-11-13 18:22:11,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (66 of 74 remaining) [2021-11-13 18:22:11,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (65 of 74 remaining) [2021-11-13 18:22:11,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (64 of 74 remaining) [2021-11-13 18:22:11,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (63 of 74 remaining) [2021-11-13 18:22:11,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (62 of 74 remaining) [2021-11-13 18:22:11,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (61 of 74 remaining) [2021-11-13 18:22:11,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (60 of 74 remaining) [2021-11-13 18:22:11,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (59 of 74 remaining) [2021-11-13 18:22:11,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (58 of 74 remaining) [2021-11-13 18:22:11,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (57 of 74 remaining) [2021-11-13 18:22:11,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (56 of 74 remaining) [2021-11-13 18:22:11,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (55 of 74 remaining) [2021-11-13 18:22:11,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (54 of 74 remaining) [2021-11-13 18:22:11,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (53 of 74 remaining) [2021-11-13 18:22:11,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (52 of 74 remaining) [2021-11-13 18:22:11,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (51 of 74 remaining) [2021-11-13 18:22:11,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (50 of 74 remaining) [2021-11-13 18:22:11,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (49 of 74 remaining) [2021-11-13 18:22:11,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (48 of 74 remaining) [2021-11-13 18:22:11,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (47 of 74 remaining) [2021-11-13 18:22:11,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (46 of 74 remaining) [2021-11-13 18:22:11,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (45 of 74 remaining) [2021-11-13 18:22:11,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (44 of 74 remaining) [2021-11-13 18:22:11,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (43 of 74 remaining) [2021-11-13 18:22:11,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (42 of 74 remaining) [2021-11-13 18:22:11,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (41 of 74 remaining) [2021-11-13 18:22:11,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (40 of 74 remaining) [2021-11-13 18:22:11,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (39 of 74 remaining) [2021-11-13 18:22:11,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (38 of 74 remaining) [2021-11-13 18:22:11,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (37 of 74 remaining) [2021-11-13 18:22:11,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (36 of 74 remaining) [2021-11-13 18:22:11,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (35 of 74 remaining) [2021-11-13 18:22:11,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (34 of 74 remaining) [2021-11-13 18:22:11,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (33 of 74 remaining) [2021-11-13 18:22:11,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (32 of 74 remaining) [2021-11-13 18:22:11,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (31 of 74 remaining) [2021-11-13 18:22:11,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-11-13 18:22:11,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-11-13 18:22:11,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-11-13 18:22:11,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-11-13 18:22:11,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-11-13 18:22:11,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (25 of 74 remaining) [2021-11-13 18:22:11,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-11-13 18:22:11,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-11-13 18:22:11,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-11-13 18:22:11,014 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-11-13 18:22:11,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-11-13 18:22:11,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-11-13 18:22:11,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-11-13 18:22:11,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-11-13 18:22:11,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-11-13 18:22:11,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-11-13 18:22:11,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-11-13 18:22:11,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-11-13 18:22:11,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-11-13 18:22:11,017 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-11-13 18:22:11,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (10 of 74 remaining) [2021-11-13 18:22:11,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (9 of 74 remaining) [2021-11-13 18:22:11,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (8 of 74 remaining) [2021-11-13 18:22:11,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (7 of 74 remaining) [2021-11-13 18:22:11,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (6 of 74 remaining) [2021-11-13 18:22:11,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (5 of 74 remaining) [2021-11-13 18:22:11,019 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (4 of 74 remaining) [2021-11-13 18:22:11,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (3 of 74 remaining) [2021-11-13 18:22:11,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE (2 of 74 remaining) [2021-11-13 18:22:11,020 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE (1 of 74 remaining) [2021-11-13 18:22:11,021 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE (0 of 74 remaining) [2021-11-13 18:22:11,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:22:11,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:22:11,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-13 18:22:11,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:22:11,628 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:22:11,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:22:11,637 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-11-13 18:22:11,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:22:11 BoogieIcfgContainer [2021-11-13 18:22:11,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:22:11,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:22:11,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:22:11,652 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:22:11,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:21:27" (3/4) ... [2021-11-13 18:22:11,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:22:11,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:22:11,659 INFO L158 Benchmark]: Toolchain (without parser) took 47302.84ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 36.6MB in the beginning and 65.4MB in the end (delta: -28.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-13 18:22:11,660 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:22:11,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1107.39ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 40.6MB in the end (delta: -4.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-13 18:22:11,661 INFO L158 Benchmark]: Boogie Preprocessor took 176.70ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 36.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:22:11,662 INFO L158 Benchmark]: RCFGBuilder took 1951.45ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.0MB in the beginning and 49.5MB in the end (delta: -13.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-13 18:22:11,662 INFO L158 Benchmark]: TraceAbstraction took 44045.54ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 65.4MB in the end (delta: -15.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-13 18:22:11,663 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 107.0MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:22:11,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1107.39ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 40.6MB in the end (delta: -4.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.70ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 36.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1951.45ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.0MB in the beginning and 49.5MB in the end (delta: -13.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 44045.54ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 65.4MB in the end (delta: -15.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 107.0MB. Free memory is still 65.4MB. 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.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: 761]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 761. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L762] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) [L759] free(p) [L759] free(p) [L762] RET entry_point() - 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: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 43.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 266.40ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 215.17ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 78 mSDtfsCounter, 108 mSolverCounterSat, 11.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 3 QuantifiedInterpolants, 469 SizeOfPredicates, 1 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 [2021-11-13 18:22:11,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e1fca3-66f0-457d-ba6f-524a62bdde1a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN