./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be --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 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be --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 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:28:00,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:28:00,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:28:00,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:28:00,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:28:00,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:28:00,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:28:00,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:28:00,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:28:00,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:28:00,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:28:00,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:28:00,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:28:00,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:28:00,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:28:00,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:28:00,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:28:00,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:28:00,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:28:00,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:28:00,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:28:00,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:28:00,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:28:00,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:28:00,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:28:00,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:28:00,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:28:00,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:28:00,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:28:00,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:28:00,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:28:00,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:28:00,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:28:00,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:28:00,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:28:00,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:28:00,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:28:00,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:28:00,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:28:00,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:28:00,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:28:00,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 20:28:00,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:28:00,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:28:00,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:28:00,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:28:00,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:28:00,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:28:00,736 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:28:00,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:28:00,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:28:00,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:28:00,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:28:00,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:28:00,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:28:00,738 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:28:00,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:28:00,739 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:28:00,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:28:00,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:28:00,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:28:00,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:28:00,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:28:00,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:28:00,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:28:00,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:28:00,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:28:00,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:28:00,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:28:00,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:28:00,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:28:00,745 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_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-21 20:28:01,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:28:01,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:28:01,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:28:01,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:28:01,083 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:28:01,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-21 20:28:01,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/d77def917/3256a4cc4b9b4e8d9e4fbc0e89e76c5c/FLAG69cc81ab1 [2021-10-21 20:28:01,781 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:28:01,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-21 20:28:01,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/d77def917/3256a4cc4b9b4e8d9e4fbc0e89e76c5c/FLAG69cc81ab1 [2021-10-21 20:28:02,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/d77def917/3256a4cc4b9b4e8d9e4fbc0e89e76c5c [2021-10-21 20:28:02,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:28:02,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:28:02,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:02,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:28:02,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:28:02,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:02" (1/1) ... [2021-10-21 20:28:02,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5275dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:02, skipping insertion in model container [2021-10-21 20:28:02,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:02" (1/1) ... [2021-10-21 20:28:02,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:28:02,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:28:02,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:02,619 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) [2021-10-21 20:28:02,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b4a0382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:02, skipping insertion in model container [2021-10-21 20:28:02,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:02,620 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:28:02,624 INFO L168 Benchmark]: Toolchain (without parser) took 589.00 ms. Allocated memory is still 94.4 MB. Free memory was 58.1 MB in the beginning and 66.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:02,626 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:02,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.11 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:02,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 586.11 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:28:05,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:28:05,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:28:05,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:28:05,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:28:05,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:28:05,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:28:05,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:28:05,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:28:05,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:28:05,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:28:05,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:28:05,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:28:05,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:28:05,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:28:05,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:28:05,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:28:05,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:28:05,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:28:05,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:28:05,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:28:05,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:28:05,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:28:05,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:28:05,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:28:05,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:28:05,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:28:05,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:28:05,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:28:05,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:28:05,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:28:05,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:28:05,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:28:05,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:28:05,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:28:05,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:28:05,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:28:05,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:28:05,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:28:05,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:28:05,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:28:05,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 20:28:05,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:28:05,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:28:05,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:28:05,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:28:05,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:28:05,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:28:05,234 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:28:05,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:28:05,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:28:05,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:28:05,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:28:05,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:28:05,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:28:05,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:28:05,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:28:05,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:28:05,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:28:05,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:28:05,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:28:05,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:28:05,237 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:28:05,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:28:05,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:28:05,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:28:05,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:28:05,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:28:05,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:28:05,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:28:05,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:28:05,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:28:05,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:28:05,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:28:05,240 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_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 428ed4ebbacd235ea719e6f888a7e28edd9cc4f57416ea2a11ce399dc2c47283 [2021-10-21 20:28:05,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:28:05,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:28:05,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:28:05,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:28:05,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:28:05,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-21 20:28:05,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/415c16ed8/e083139951cf4210b63161c73291452c/FLAG95f5a78cb [2021-10-21 20:28:06,544 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:28:06,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2021-10-21 20:28:06,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/415c16ed8/e083139951cf4210b63161c73291452c/FLAG95f5a78cb [2021-10-21 20:28:06,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/data/415c16ed8/e083139951cf4210b63161c73291452c [2021-10-21 20:28:06,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:28:06,768 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:28:06,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:06,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:28:06,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:28:06,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:06" (1/1) ... [2021-10-21 20:28:06,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3d7dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:06, skipping insertion in model container [2021-10-21 20:28:06,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:06" (1/1) ... [2021-10-21 20:28:06,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:28:06,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:28:07,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:07,397 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 20:28:07,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:28:07,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:07,507 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:28:07,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:07,627 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:28:07,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07 WrapperNode [2021-10-21 20:28:07,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:07,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:28:07,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:28:07,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:28:07,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:28:07,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:28:07,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:28:07,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:28:07,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (1/1) ... [2021-10-21 20:28:07,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:28:07,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:07,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:28:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 20:28:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:28:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 20:28:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 20:28:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 20:28:07,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 20:28:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 20:28:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 20:28:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 20:28:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-21 20:28:07,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-21 20:28:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-21 20:28:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-21 20:28:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-21 20:28:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-21 20:28:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-21 20:28:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-21 20:28:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-21 20:28:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-21 20:28:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-21 20:28:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-21 20:28:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-21 20:28:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-21 20:28:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-21 20:28:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-21 20:28:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-21 20:28:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-21 20:28:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-21 20:28:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-21 20:28:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-21 20:28:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-21 20:28:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-21 20:28:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2021-10-21 20:28:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2021-10-21 20:28:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-21 20:28:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 20:28:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-21 20:28:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-21 20:28:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-21 20:28:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 20:28:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 20:28:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 20:28:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 20:28:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 20:28:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 20:28:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 20:28:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 20:28:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 20:28:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 20:28:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 20:28:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 20:28:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 20:28:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 20:28:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 20:28:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 20:28:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 20:28:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 20:28:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 20:28:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 20:28:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 20:28:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 20:28:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 20:28:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 20:28:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 20:28:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 20:28:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 20:28:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 20:28:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 20:28:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 20:28:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 20:28:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 20:28:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 20:28:07,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 20:28:07,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 20:28:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 20:28:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 20:28:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 20:28:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 20:28:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 20:28:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 20:28:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 20:28:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 20:28:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 20:28:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 20:28:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 20:28:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 20:28:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 20:28:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 20:28:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 20:28:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 20:28:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 20:28:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 20:28:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 20:28:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 20:28:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 20:28:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 20:28:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 20:28:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 20:28:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 20:28:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 20:28:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 20:28:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 20:28:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 20:28:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 20:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 20:28:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 20:28:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 20:28:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 20:28:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 20:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 20:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 20:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-21 20:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 20:28:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:28:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-21 20:28:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-21 20:28:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-21 20:28:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-21 20:28:07,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-21 20:28:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-21 20:28:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-21 20:28:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-21 20:28:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-21 20:28:07,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2021-10-21 20:28:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:28:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:28:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 20:28:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 20:28:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 20:28:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:28:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:28:08,575 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:28:08,958 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:28:09,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:28:09,256 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-21 20:28:09,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:09 BoogieIcfgContainer [2021-10-21 20:28:09,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:28:09,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:28:09,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:28:09,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:28:09,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:28:06" (1/3) ... [2021-10-21 20:28:09,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4decec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:28:09, skipping insertion in model container [2021-10-21 20:28:09,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:07" (2/3) ... [2021-10-21 20:28:09,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4decec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:28:09, skipping insertion in model container [2021-10-21 20:28:09,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:09" (3/3) ... [2021-10-21 20:28:09,268 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2.i [2021-10-21 20:28:09,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:28:09,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-21 20:28:09,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:28:09,327 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 [2021-10-21 20:28:09,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-21 20:28:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-10-21 20:28:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:28:09,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:09,356 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:09,356 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:28:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1046257618, now seen corresponding path program 1 times [2021-10-21 20:28:09,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:09,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126704606] [2021-10-21 20:28:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:09,379 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:09,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:28:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:09,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:28:09,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:09,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:09,965 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:09,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126704606] [2021-10-21 20:28:09,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126704606] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:09,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:09,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 20:28:09,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724771396] [2021-10-21 20:28:09,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:28:09,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:09,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:28:10,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:28:10,003 INFO L87 Difference]: Start difference. First operand has 104 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:10,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:10,095 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-10-21 20:28:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:28:10,097 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-21 20:28:10,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:10,107 INFO L225 Difference]: With dead ends: 33 [2021-10-21 20:28:10,107 INFO L226 Difference]: Without dead ends: 30 [2021-10-21 20:28:10,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.8ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-21 20:28:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-21 20:28:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-10-21 20:28:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-10-21 20:28:10,156 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 18 [2021-10-21 20:28:10,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:10,157 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-10-21 20:28:10,157 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-21 20:28:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:28:10,159 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:10,160 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:10,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:10,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:10,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:28:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1925752517, now seen corresponding path program 1 times [2021-10-21 20:28:10,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:10,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285878480] [2021-10-21 20:28:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:10,390 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:10,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:10,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:28:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:10,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:28:10,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:10,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:11,178 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:11,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285878480] [2021-10-21 20:28:11,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285878480] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:11,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:11,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-21 20:28:11,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924250691] [2021-10-21 20:28:11,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:28:11,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:11,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:28:11,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:28:11,182 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 20:28:11,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:11,511 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-21 20:28:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:28:11,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-21 20:28:11,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:11,514 INFO L225 Difference]: With dead ends: 43 [2021-10-21 20:28:11,514 INFO L226 Difference]: Without dead ends: 43 [2021-10-21 20:28:11,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 193.0ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:28:11,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-21 20:28:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-21 20:28:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-21 20:28:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-21 20:28:11,537 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2021-10-21 20:28:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:11,538 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-21 20:28:11,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-21 20:28:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-21 20:28:11,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 20:28:11,541 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:11,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:11,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:11,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:11,758 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:28:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -431213808, now seen corresponding path program 1 times [2021-10-21 20:28:11,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:11,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643973819] [2021-10-21 20:28:11,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:11,762 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:11,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:11,765 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:11,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:28:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:28:11,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:12,067 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 [2021-10-21 20:28:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:12,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:12,322 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:12,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643973819] [2021-10-21 20:28:12,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643973819] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:12,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:12,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-21 20:28:12,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145932866] [2021-10-21 20:28:12,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:28:12,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:12,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:28:12,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:28:12,329 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:12,409 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-10-21 20:28:12,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:28:12,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-21 20:28:12,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:12,413 INFO L225 Difference]: With dead ends: 46 [2021-10-21 20:28:12,413 INFO L226 Difference]: Without dead ends: 46 [2021-10-21 20:28:12,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:28:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-21 20:28:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-21 20:28:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-21 20:28:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2021-10-21 20:28:12,427 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 20 [2021-10-21 20:28:12,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:12,428 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2021-10-21 20:28:12,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-21 20:28:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 20:28:12,430 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:12,430 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:12,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:12,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:12,651 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:28:12,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:12,652 INFO L82 PathProgramCache]: Analyzing trace with hash 2066802129, now seen corresponding path program 1 times [2021-10-21 20:28:12,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:12,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466715979] [2021-10-21 20:28:12,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:12,653 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:12,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:12,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 20:28:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:12,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:28:12,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:13,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:28:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:28:13,281 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:28:13,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466715979] [2021-10-21 20:28:13,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466715979] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:13,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:13,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 20:28:13,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387127108] [2021-10-21 20:28:13,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:28:13,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:28:13,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:28:13,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:28:13,284 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:13,349 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-21 20:28:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:28:13,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-21 20:28:13,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:13,351 INFO L225 Difference]: With dead ends: 44 [2021-10-21 20:28:13,351 INFO L226 Difference]: Without dead ends: 44 [2021-10-21 20:28:13,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 60.0ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:13,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-21 20:28:13,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-21 20:28:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 9 states have call successors, (9), 8 states have call predecessors, (9), 8 states have return successors, (10), 9 states have call predecessors, (10), 8 states have call successors, (10) [2021-10-21 20:28:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-10-21 20:28:13,358 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 20 [2021-10-21 20:28:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:13,359 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-10-21 20:28:13,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-21 20:28:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-21 20:28:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-21 20:28:13,361 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:13,361 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:13,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:13,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:13,575 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-21 20:28:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash -28410770, now seen corresponding path program 1 times [2021-10-21 20:28:13,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:28:13,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430382979] [2021-10-21 20:28:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:13,577 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:28:13,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:28:13,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:28:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 20:28:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:13,830 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:28:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:13,917 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:28:13,919 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:28:13,920 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-21 20:28:13,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-21 20:28:13,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-21 20:28:13,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-21 20:28:13,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-21 20:28:13,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-21 20:28:13,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 20:28:13,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-21 20:28:13,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-21 20:28:13,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-21 20:28:13,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-21 20:28:13,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 20:28:13,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-21 20:28:13,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-21 20:28:13,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-21 20:28:14,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-21 20:28:14,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-21 20:28:14,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-21 20:28:14,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:14,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:28:14,207 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:28:14,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:28:14 BoogieIcfgContainer [2021-10-21 20:28:14,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:28:14,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:28:14,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:28:14,247 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:28:14,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:09" (3/4) ... [2021-10-21 20:28:14,250 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:28:14,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:28:14,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:28:14,341 INFO L168 Benchmark]: Toolchain (without parser) took 7571.62 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 53.2 MB in the beginning and 73.9 MB in the end (delta: -20.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,343 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory is still 32.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:14,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.64 ms. Allocated memory is still 77.6 MB. Free memory was 53.1 MB in the beginning and 42.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,347 INFO L168 Benchmark]: Boogie Preprocessor took 125.58 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 37.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,348 INFO L168 Benchmark]: RCFGBuilder took 1504.63 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 41.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,349 INFO L168 Benchmark]: TraceAbstraction took 4984.81 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 40.8 MB in the beginning and 75.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,350 INFO L168 Benchmark]: Witness Printer took 92.02 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:14,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory is still 32.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 858.64 ms. Allocated memory is still 77.6 MB. Free memory was 53.1 MB in the beginning and 42.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.58 ms. Allocated memory is still 77.6 MB. Free memory was 42.0 MB in the beginning and 37.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1504.63 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 41.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4984.81 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 40.8 MB in the beginning and 75.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * Witness Printer took 92.02 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 762]: 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) }; [L757] int *a8; VAL [\old(a8)=null, \old(a8)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L771] CALL entry_point() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L765] CALL alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, \old(size)=4, a8={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=null, \old(a8)=null, a8={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L765] RET alloc_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) [L766] RET free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L767] CALL free_8() VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] COND TRUE \read(*a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] [L762] free(a8) VAL [\old(a8)=null, \old(a8)=null, a8={1:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 4886.7ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 21.7ms, AutomataDifference: 619.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 126 SDtfs, 83 SDslu, 246 SDs, 0 SdLazy, 159 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 257.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 324.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 73.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 86.3ms SsaConstructionTime, 187.7ms SatisfiabilityAnalysisTime, 1661.3ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 1 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 23 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! [2021-10-21 20:28:14,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81e8b02-9bdf-4f71-ae2e-bc99073fe789/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...