./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.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_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/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_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/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_e90be66d-3b22-4eef-acbf-ea57a660e112/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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:52:30,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:52:30,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:52:30,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:52:30,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:52:30,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:52:30,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:52:30,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:52:30,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:52:30,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:52:30,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:52:30,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:52:30,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:52:30,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:52:30,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:52:30,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:52:30,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:52:30,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:52:30,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:52:30,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:52:30,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:52:30,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:52:30,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:52:30,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:52:30,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:52:30,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:52:30,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:52:30,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:52:30,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:52:30,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:52:30,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:52:30,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:52:30,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:52:30,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:52:30,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:52:30,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:52:30,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:52:30,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:52:30,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:52:30,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:52:30,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:52:30,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-13 18:52:30,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:52:30,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:52:30,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:52:30,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:52:30,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:52:30,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:52:30,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:52:30,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:52:30,310 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:52:30,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:52:30,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:52:30,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:52:30,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:52:30,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:52:30,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:52:30,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:52:30,314 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:52:30,314 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:52:30,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:52:30,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:52:30,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:52:30,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:52:30,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:52:30,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:52:30,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:52:30,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:52:30,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:52:30,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:52:30,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:52:30,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:52:30,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:52:30,321 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_e90be66d-3b22-4eef-acbf-ea57a660e112/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-11-13 18:52:30,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:52:30,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:52:30,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:52:30,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:52:30,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:52:30,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-11-13 18:52:30,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/be32276d2/d172253fd05845a3a72227fa0b2f6dee/FLAGb460d9b33 [2021-11-13 18:52:31,568 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:52:31,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-11-13 18:52:31,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/be32276d2/d172253fd05845a3a72227fa0b2f6dee/FLAGb460d9b33 [2021-11-13 18:52:31,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/be32276d2/d172253fd05845a3a72227fa0b2f6dee [2021-11-13 18:52:31,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:52:31,737 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:52:31,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:52:31,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:52:31,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:52:31,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:31" (1/1) ... [2021-11-13 18:52:31,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6597b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:31, skipping insertion in model container [2021-11-13 18:52:31,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:31" (1/1) ... [2021-11-13 18:52:31,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:52:31,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:52:32,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:52:32,358 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 18:52:32,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@746ee02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:32, skipping insertion in model container [2021-11-13 18:52:32,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:52:32,360 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 18:52:32,363 INFO L158 Benchmark]: Toolchain (without parser) took 624.64ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 69.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:52:32,365 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:52:32,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.99ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 69.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:52:32,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.99ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 69.7MB in the end (delta: 7.6MB). 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_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/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_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/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_e90be66d-3b22-4eef-acbf-ea57a660e112/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 b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:52:35,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:52:35,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:52:35,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:52:35,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:52:35,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:52:35,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:52:35,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:52:35,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:52:35,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:52:35,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:52:35,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:52:35,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:52:35,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:52:35,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:52:35,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:52:35,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:52:35,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:52:35,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:52:35,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:52:35,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:52:35,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:52:35,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:52:35,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:52:35,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:52:35,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:52:35,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:52:35,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:52:35,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:52:35,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:52:35,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:52:35,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:52:35,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:52:35,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:52:35,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:52:35,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:52:35,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:52:35,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:52:35,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:52:35,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:52:35,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:52:35,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-13 18:52:35,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:52:35,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:52:35,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:52:35,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:52:35,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:52:35,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:52:35,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:52:35,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:52:35,245 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:52:35,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:52:35,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:52:35,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:52:35,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:52:35,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:52:35,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:52:35,249 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:52:35,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:52:35,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:52:35,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:52:35,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:52:35,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:52:35,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:52:35,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:52:35,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:52:35,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:52:35,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:52:35,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:52:35,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:52:35,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:52:35,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:52:35,255 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:52:35,256 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:52:35,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:52:35,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:52:35,257 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_e90be66d-3b22-4eef-acbf-ea57a660e112/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b1cc5e7bc7b36d5ea64018b501429b633eb9552e27aac1ef773c6042e4013 [2021-11-13 18:52:35,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:52:35,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:52:35,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:52:35,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:52:35,726 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:52:35,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-11-13 18:52:35,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/b467ad967/4aed5bcf4ba74621b98682bbd69f24d8/FLAG369ea98fb [2021-11-13 18:52:36,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:52:36,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2021-11-13 18:52:36,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/b467ad967/4aed5bcf4ba74621b98682bbd69f24d8/FLAG369ea98fb [2021-11-13 18:52:36,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/data/b467ad967/4aed5bcf4ba74621b98682bbd69f24d8 [2021-11-13 18:52:36,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:52:36,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:52:36,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:52:36,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:52:36,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:52:36,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:36" (1/1) ... [2021-11-13 18:52:36,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d55cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:36, skipping insertion in model container [2021-11-13 18:52:36,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:36" (1/1) ... [2021-11-13 18:52:36,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:52:36,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:52:37,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:52:37,379 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 18:52:37,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:52:37,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:52:37,511 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:52:37,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:52:37,717 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:52:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37 WrapperNode [2021-11-13 18:52:37,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:52:37,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:52:37,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:52:37,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:52:37,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:52:37,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:52:37,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:52:37,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:52:37,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (1/1) ... [2021-11-13 18:52:37,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:52:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:52:37,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:52:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:52:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 18:52:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:52:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:52:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:52:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 18:52:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 18:52:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-13 18:52:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-13 18:52:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-13 18:52:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-13 18:52:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-13 18:52:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:52:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:52:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-13 18:52:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-13 18:52:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-13 18:52:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-13 18:52:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-13 18:52:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-13 18:52:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-13 18:52:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-13 18:52:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-13 18:52:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-13 18:52:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-13 18:52:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 18:52:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:52:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-13 18:52:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-13 18:52:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-13 18:52:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-13 18:52:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-13 18:52:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-13 18:52:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-13 18:52:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-13 18:52:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-13 18:52:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-13 18:52:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-13 18:52:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-13 18:52:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-13 18:52:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-13 18:52:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-13 18:52:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 18:52:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-13 18:52:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 18:52:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:52:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:52:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:52:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 18:52:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 18:52:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 18:52:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 18:52:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 18:52:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 18:52:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 18:52:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 18:52:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 18:52:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 18:52:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 18:52:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 18:52:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 18:52:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 18:52:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 18:52:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 18:52:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 18:52:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 18:52:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-13 18:52:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-13 18:52:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-13 18:52:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 18:52:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 18:52:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 18:52:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 18:52:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 18:52:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 18:52:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 18:52:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 18:52:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 18:52:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 18:52:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 18:52:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 18:52:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 18:52:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 18:52:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 18:52:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 18:52:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 18:52:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 18:52:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 18:52:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 18:52:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 18:52:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 18:52:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 18:52:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 18:52:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 18:52:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 18:52:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 18:52:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 18:52:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 18:52:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 18:52:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 18:52:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 18:52:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 18:52:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 18:52:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 18:52:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 18:52:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 18:52:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 18:52:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 18:52:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 18:52:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 18:52:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-13 18:52:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 18:52:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 18:52:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-13 18:52:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 18:52:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 18:52:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-13 18:52:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 18:52:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 18:52:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 18:52:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 18:52:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 18:52:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 18:52:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 18:52:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 18:52:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 18:52:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 18:52:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 18:52:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 18:52:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 18:52:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 18:52:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 18:52:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 18:52:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 18:52:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 18:52:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 18:52:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 18:52:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 18:52:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 18:52:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 18:52:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 18:52:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 18:52:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 18:52:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 18:52:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 18:52:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 18:52:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 18:52:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 18:52:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 18:52:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 18:52:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 18:52:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 18:52:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 18:52:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 18:52:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 18:52:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:52:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 18:52:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-13 18:52:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-13 18:52:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 18:52:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 18:52:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:52:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:52:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:52:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:52:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-13 18:52:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:52:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-13 18:52:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-13 18:52:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-13 18:52:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:52:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-13 18:52:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-13 18:52:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-13 18:52:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-13 18:52:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:52:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-13 18:52:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:52:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-13 18:52:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-13 18:52:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 18:52:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:52:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-13 18:52:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:52:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:52:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-13 18:52:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-13 18:52:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:52:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-13 18:52:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-13 18:52:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-13 18:52:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-13 18:52:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-13 18:52:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-13 18:52:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-13 18:52:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-13 18:52:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-13 18:52:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-13 18:52:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-13 18:52:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:52:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-13 18:52:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 18:52:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-13 18:52:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 18:52:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 18:52:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:52:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:52:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:52:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:52:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 18:52:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 18:52:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:52:38,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:52:38,896 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:52:39,317 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:52:39,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:52:39,716 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:52:39,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:39 BoogieIcfgContainer [2021-11-13 18:52:39,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:52:39,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:52:39,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:52:39,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:52:39,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:52:36" (1/3) ... [2021-11-13 18:52:39,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5830d986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:39, skipping insertion in model container [2021-11-13 18:52:39,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:37" (2/3) ... [2021-11-13 18:52:39,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5830d986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:39, skipping insertion in model container [2021-11-13 18:52:39,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:39" (3/3) ... [2021-11-13 18:52:39,730 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2021-11-13 18:52:39,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:52:39,737 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2021-11-13 18:52:39,790 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:52:39,798 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 18:52:39,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2021-11-13 18:52:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 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 18:52:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 18:52:39,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:39,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:52:39,828 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 73 more)] === [2021-11-13 18:52:39,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:39,835 INFO L85 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2021-11-13 18:52:39,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:52:39,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160071743] [2021-11-13 18:52:39,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:39,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:52:39,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:52:39,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:52:39,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:52:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:40,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:52:40,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:52:40,332 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 18:52:40,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:52:40,430 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 18:52:40,431 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:52:40,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160071743] [2021-11-13 18:52:40,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160071743] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:40,433 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:40,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:52:40,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188465500] [2021-11-13 18:52:40,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:40,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:52:40,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:52:40,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:52:40,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:52:40,489 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 79 states have internal predecessors, (85), 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 18:52:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:40,525 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-11-13 18:52:40,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:52:40,528 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 18:52:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:40,538 INFO L225 Difference]: With dead ends: 29 [2021-11-13 18:52:40,538 INFO L226 Difference]: Without dead ends: 26 [2021-11-13 18:52:40,540 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 18:52:40,545 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.37ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:40,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 91 Invalid, 11 Unknown, 0 Unchecked, 2.89ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 12.37ms Time] [2021-11-13 18:52:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-13 18:52:40,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-13 18:52:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 18 states have internal predecessors, (19), 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 18:52:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-11-13 18:52:40,588 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2021-11-13 18:52:40,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:40,589 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-11-13 18:52:40,589 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 18:52:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-11-13 18:52:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 18:52:40,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:40,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:52:40,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 18:52:40,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:52:40,805 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 73 more)] === [2021-11-13 18:52:40,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:40,806 INFO L85 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2021-11-13 18:52:40,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:52:40,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607932734] [2021-11-13 18:52:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:40,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:52:40,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:52:40,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:52:40,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:52:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:41,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:52:41,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:52:41,213 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 18:52:41,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:52:41,383 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 18:52:41,384 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:52:41,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607932734] [2021-11-13 18:52:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607932734] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:41,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:41,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-11-13 18:52:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345691779] [2021-11-13 18:52:41,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:41,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:52:41,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:52:41,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:52:41,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:52:41,390 INFO L87 Difference]: Start difference. First operand 26 states and 26 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 18:52:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:41,545 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-11-13 18:52:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:52:41,546 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 18:52:41,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:41,550 INFO L225 Difference]: With dead ends: 35 [2021-11-13 18:52:41,550 INFO L226 Difference]: Without dead ends: 35 [2021-11-13 18:52:41,551 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 18:52:41,553 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 37 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.79ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.56ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:41,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 45 Invalid, 66 Unknown, 0 Unchecked, 3.79ms Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 135.56ms Time] [2021-11-13 18:52:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-13 18:52:41,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2021-11-13 18:52:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 18:52:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-11-13 18:52:41,562 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2021-11-13 18:52:41,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:41,562 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-11-13 18:52:41,563 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 18:52:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-11-13 18:52:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:52:41,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:41,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:52:41,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:52:41,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:52:41,778 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 73 more)] === [2021-11-13 18:52:41,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2021-11-13 18:52:41,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:52:41,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235065031] [2021-11-13 18:52:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:41,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:52:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:52:41,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:52:41,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:52:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:41,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:52:41,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:52:42,007 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 18:52:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:52:42,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:52:42,178 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 18:52:42,179 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:52:42,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235065031] [2021-11-13 18:52:42,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235065031] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:42,180 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:42,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:52:42,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568953787] [2021-11-13 18:52:42,180 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:42,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:52:42,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:52:42,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:52:42,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:52:42,182 INFO L87 Difference]: Start difference. First operand 24 states and 24 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 18:52:42,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:42,241 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-11-13 18:52:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:52:42,242 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 18:52:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:42,243 INFO L225 Difference]: With dead ends: 30 [2021-11-13 18:52:42,243 INFO L226 Difference]: Without dead ends: 30 [2021-11-13 18:52:42,243 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 18:52:42,245 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.01ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:42,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 33 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 53.01ms Time] [2021-11-13 18:52:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-13 18:52:42,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-13 18:52:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 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 18:52:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2021-11-13 18:52:42,253 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2021-11-13 18:52:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:42,253 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2021-11-13 18:52:42,254 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 18:52:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2021-11-13 18:52:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:52:42,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:42,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:52:42,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 18:52:42,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:52:42,477 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 73 more)] === [2021-11-13 18:52:42,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2021-11-13 18:52:42,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:52:42,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748953774] [2021-11-13 18:52:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:42,479 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:52:42,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:52:42,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:52:42,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:52:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:42,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:52:42,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:52:42,695 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 18:52:42,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:52:42,762 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 18:52:42,763 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:52:42,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748953774] [2021-11-13 18:52:42,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748953774] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:42,764 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:42,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 18:52:42,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347895377] [2021-11-13 18:52:42,764 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:42,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:52:42,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:52:42,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:52:42,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:52:42,768 INFO L87 Difference]: Start difference. First operand 30 states and 30 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 18:52:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:42,806 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-11-13 18:52:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:52:42,807 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 18:52:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:42,811 INFO L225 Difference]: With dead ends: 34 [2021-11-13 18:52:42,811 INFO L226 Difference]: Without dead ends: 34 [2021-11-13 18:52:42,814 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 18:52:42,819 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.37ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:42,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 102 Invalid, 24 Unknown, 0 Unchecked, 2.76ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 27.37ms Time] [2021-11-13 18:52:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-13 18:52:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-11-13 18:52:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 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 18:52:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-11-13 18:52:42,840 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2021-11-13 18:52:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:42,841 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-11-13 18:52:42,841 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 18:52:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-11-13 18:52:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:52:42,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:42,843 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 18:52:42,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:52:43,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:52:43,056 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 73 more)] === [2021-11-13 18:52:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:43,057 INFO L85 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2021-11-13 18:52:43,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:52:43,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70386273] [2021-11-13 18:52:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:43,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:52:43,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:52:43,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:52:43,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:52:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:52:43,229 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:52:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:52:43,286 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 18:52:43,290 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:52:43,291 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE (76 of 77 remaining) [2021-11-13 18:52:43,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (75 of 77 remaining) [2021-11-13 18:52:43,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (74 of 77 remaining) [2021-11-13 18:52:43,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (73 of 77 remaining) [2021-11-13 18:52:43,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (72 of 77 remaining) [2021-11-13 18:52:43,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (71 of 77 remaining) [2021-11-13 18:52:43,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (70 of 77 remaining) [2021-11-13 18:52:43,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (69 of 77 remaining) [2021-11-13 18:52:43,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (68 of 77 remaining) [2021-11-13 18:52:43,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (67 of 77 remaining) [2021-11-13 18:52:43,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (66 of 77 remaining) [2021-11-13 18:52:43,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (65 of 77 remaining) [2021-11-13 18:52:43,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (64 of 77 remaining) [2021-11-13 18:52:43,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (63 of 77 remaining) [2021-11-13 18:52:43,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (62 of 77 remaining) [2021-11-13 18:52:43,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (61 of 77 remaining) [2021-11-13 18:52:43,312 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (60 of 77 remaining) [2021-11-13 18:52:43,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (59 of 77 remaining) [2021-11-13 18:52:43,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (58 of 77 remaining) [2021-11-13 18:52:43,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (57 of 77 remaining) [2021-11-13 18:52:43,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (56 of 77 remaining) [2021-11-13 18:52:43,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (55 of 77 remaining) [2021-11-13 18:52:43,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (54 of 77 remaining) [2021-11-13 18:52:43,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (53 of 77 remaining) [2021-11-13 18:52:43,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (52 of 77 remaining) [2021-11-13 18:52:43,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (51 of 77 remaining) [2021-11-13 18:52:43,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (50 of 77 remaining) [2021-11-13 18:52:43,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (49 of 77 remaining) [2021-11-13 18:52:43,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (48 of 77 remaining) [2021-11-13 18:52:43,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (47 of 77 remaining) [2021-11-13 18:52:43,315 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (46 of 77 remaining) [2021-11-13 18:52:43,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (45 of 77 remaining) [2021-11-13 18:52:43,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (44 of 77 remaining) [2021-11-13 18:52:43,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (43 of 77 remaining) [2021-11-13 18:52:43,316 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (42 of 77 remaining) [2021-11-13 18:52:43,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (41 of 77 remaining) [2021-11-13 18:52:43,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (40 of 77 remaining) [2021-11-13 18:52:43,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (39 of 77 remaining) [2021-11-13 18:52:43,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (38 of 77 remaining) [2021-11-13 18:52:43,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (37 of 77 remaining) [2021-11-13 18:52:43,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (36 of 77 remaining) [2021-11-13 18:52:43,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (35 of 77 remaining) [2021-11-13 18:52:43,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (34 of 77 remaining) [2021-11-13 18:52:43,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (33 of 77 remaining) [2021-11-13 18:52:43,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (32 of 77 remaining) [2021-11-13 18:52:43,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (31 of 77 remaining) [2021-11-13 18:52:43,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (30 of 77 remaining) [2021-11-13 18:52:43,319 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (29 of 77 remaining) [2021-11-13 18:52:43,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (28 of 77 remaining) [2021-11-13 18:52:43,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (27 of 77 remaining) [2021-11-13 18:52:43,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (26 of 77 remaining) [2021-11-13 18:52:43,320 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (25 of 77 remaining) [2021-11-13 18:52:43,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (24 of 77 remaining) [2021-11-13 18:52:43,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (23 of 77 remaining) [2021-11-13 18:52:43,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (22 of 77 remaining) [2021-11-13 18:52:43,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (21 of 77 remaining) [2021-11-13 18:52:43,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (20 of 77 remaining) [2021-11-13 18:52:43,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (19 of 77 remaining) [2021-11-13 18:52:43,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (18 of 77 remaining) [2021-11-13 18:52:43,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (17 of 77 remaining) [2021-11-13 18:52:43,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (16 of 77 remaining) [2021-11-13 18:52:43,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (15 of 77 remaining) [2021-11-13 18:52:43,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (14 of 77 remaining) [2021-11-13 18:52:43,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (13 of 77 remaining) [2021-11-13 18:52:43,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (12 of 77 remaining) [2021-11-13 18:52:43,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (11 of 77 remaining) [2021-11-13 18:52:43,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (10 of 77 remaining) [2021-11-13 18:52:43,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (9 of 77 remaining) [2021-11-13 18:52:43,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (8 of 77 remaining) [2021-11-13 18:52:43,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (7 of 77 remaining) [2021-11-13 18:52:43,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (6 of 77 remaining) [2021-11-13 18:52:43,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (5 of 77 remaining) [2021-11-13 18:52:43,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE (4 of 77 remaining) [2021-11-13 18:52:43,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE (3 of 77 remaining) [2021-11-13 18:52:43,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE (2 of 77 remaining) [2021-11-13 18:52:43,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE (1 of 77 remaining) [2021-11-13 18:52:43,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE (0 of 77 remaining) [2021-11-13 18:52:43,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:52:43,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:52:43,543 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:52:43,548 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:52:43,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:52:43 BoogieIcfgContainer [2021-11-13 18:52:43,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:52:43,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:52:43,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:52:43,573 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:52:43,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:39" (3/4) ... [2021-11-13 18:52:43,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 18:52:43,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:52:43,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:52:43,617 INFO L158 Benchmark]: Toolchain (without parser) took 6811.24ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 58.5MB in the end (delta: -21.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,617 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:52:43,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.21ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 51.5MB in the end (delta: -14.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,618 INFO L158 Benchmark]: Boogie Preprocessor took 176.85ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 47.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,619 INFO L158 Benchmark]: RCFGBuilder took 1822.84ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 42.3MB in the end (delta: 4.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,619 INFO L158 Benchmark]: TraceAbstraction took 3850.12ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 60.6MB in the end (delta: -18.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,620 INFO L158 Benchmark]: Witness Printer took 43.55ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.21ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 51.5MB in the end (delta: -14.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.85ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 47.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1822.84ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 42.3MB in the end (delta: 4.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3850.12ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 60.6MB in the end (delta: -18.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 43.55ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={-2147483648:0}, p={1:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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. - UnprovableResult [Line: 760]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 760]: 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, 341 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 228.31ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 300 SdHoareTripleChecker+Invalid, 173.44ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 92 mSDtfsCounter, 124 mSolverCounterSat, 10.74ms 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=101occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-13 18:52:43,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90be66d-3b22-4eef-acbf-ea57a660e112/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)