./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg --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 207ea7efa81a205528159a2c1c5225b996f0eb4901bda418907cbc964f19b86c ................................................................................................................................... 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_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg --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 207ea7efa81a205528159a2c1c5225b996f0eb4901bda418907cbc964f19b86c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:48:54,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:54,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:54,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:54,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:54,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:54,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:54,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:54,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:54,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:54,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:54,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:54,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:54,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:54,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:54,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:54,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:54,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:54,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:54,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:54,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:54,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:54,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:54,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:54,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:54,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:54,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:54,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:54,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:54,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:54,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:54,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:54,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:54,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:54,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:54,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:54,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:54,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:54,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:54,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:54,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:54,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 08:48:54,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:54,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:54,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:54,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:54,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:54,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:54,728 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:54,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:54,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:48:54,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:48:54,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:54,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:48:54,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:54,730 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:48:54,730 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:48:54,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:48:54,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:48:54,731 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:48:54,731 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:48:54,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:54,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:54,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:54,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:48:54,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:54,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:54,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:48:54,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:48:54,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:48:54,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:54,734 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_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207ea7efa81a205528159a2c1c5225b996f0eb4901bda418907cbc964f19b86c [2021-10-28 08:48:55,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:55,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:55,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:55,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:55,091 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:55,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-10-28 08:48:55,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/5836ed3a2/0cb75b40735943cc836b73289c3a1688/FLAG282cc47da [2021-10-28 08:48:55,820 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:48:55,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-10-28 08:48:55,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/5836ed3a2/0cb75b40735943cc836b73289c3a1688/FLAG282cc47da [2021-10-28 08:48:56,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/5836ed3a2/0cb75b40735943cc836b73289c3a1688 [2021-10-28 08:48:56,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:48:56,030 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:48:56,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:56,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:48:56,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:48:56,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:56" (1/1) ... [2021-10-28 08:48:56,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f742d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:56, skipping insertion in model container [2021-10-28 08:48:56,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:56" (1/1) ... [2021-10-28 08:48:56,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:48:56,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:48:56,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:48:56,612 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) [2021-10-28 08:48:56,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@603a84cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:56, skipping insertion in model container [2021-10-28 08:48:56,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:56,614 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:48:56,616 INFO L168 Benchmark]: Toolchain (without parser) took 584.63 ms. Allocated memory is still 92.3 MB. Free memory was 53.2 MB in the beginning and 63.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:56,617 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:56,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.59 ms. Allocated memory is still 92.3 MB. Free memory was 53.1 MB in the beginning and 63.8 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:56,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.59 ms. Allocated memory is still 92.3 MB. Free memory was 53.1 MB in the beginning and 63.8 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.2 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-b2eff8b [2021-10-28 08:48:59,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:59,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:59,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:59,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:59,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:59,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:59,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:59,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:59,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:59,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:59,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:59,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:59,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:59,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:59,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:59,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:59,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:59,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:59,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:59,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:59,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:59,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:59,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:59,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:59,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:59,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:59,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:59,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:59,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:59,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:59,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:59,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:59,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:59,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:59,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:59,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:59,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:59,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:59,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:59,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:59,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 08:48:59,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:59,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:59,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:59,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:59,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:59,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:59,148 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:59,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:59,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:48:59,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:48:59,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:59,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:48:59,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:59,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:48:59,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:48:59,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:48:59,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:48:59,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:48:59,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:48:59,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:48:59,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:48:59,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:59,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:59,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:59,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:48:59,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:59,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:59,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:48:59,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:48:59,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:48:59,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:59,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:48:59,158 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_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207ea7efa81a205528159a2c1c5225b996f0eb4901bda418907cbc964f19b86c [2021-10-28 08:48:59,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:59,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:59,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:59,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:59,643 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:59,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-10-28 08:48:59,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/0d04b94e0/5904b85843c14f88b729276d293fd889/FLAGf84814956 [2021-10-28 08:49:00,493 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:49:00,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/sv-benchmarks/c/ldv-memsafety/memleaks_test10-1.i [2021-10-28 08:49:00,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/0d04b94e0/5904b85843c14f88b729276d293fd889/FLAGf84814956 [2021-10-28 08:49:00,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/data/0d04b94e0/5904b85843c14f88b729276d293fd889 [2021-10-28 08:49:00,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:49:00,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:49:00,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:49:00,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:49:00,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:49:00,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:49:00" (1/1) ... [2021-10-28 08:49:00,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eadd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:00, skipping insertion in model container [2021-10-28 08:49:00,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:49:00" (1/1) ... [2021-10-28 08:49:00,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:49:00,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:49:01,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:49:01,326 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 08:49:01,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:49:01,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:49:01,413 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:49:01,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:49:01,578 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:49:01,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01 WrapperNode [2021-10-28 08:49:01,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:49:01,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:49:01,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:49:01,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:49:01,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:49:01,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:49:01,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:49:01,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:49:01,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (1/1) ... [2021-10-28 08:49:01,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:49:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:49:01,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:49:01,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:49:01,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 08:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:49:01,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:49:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 08:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 08:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 08:49:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 08:49:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 08:49:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 08:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 08:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 08:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 08:49:01,804 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:49:01,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 08:49:01,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 08:49:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 08:49:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 08:49:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 08:49:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 08:49:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 08:49:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 08:49:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 08:49:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 08:49:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2021-10-28 08:49:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2021-10-28 08:49:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 08:49:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 08:49:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 08:49:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 08:49:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 08:49:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 08:49:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 08:49:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 08:49:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 08:49:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 08:49:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 08:49:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 08:49:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 08:49:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 08:49:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 08:49:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 08:49:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 08:49:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 08:49:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 08:49:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 08:49:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 08:49:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 08:49:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 08:49:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 08:49:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 08:49:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 08:49:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 08:49:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 08:49:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 08:49:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 08:49:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 08:49:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 08:49:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 08:49:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 08:49:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 08:49:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 08:49:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 08:49:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 08:49:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 08:49:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 08:49:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 08:49:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 08:49:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 08:49:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 08:49:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 08:49:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 08:49:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 08:49:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 08:49:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 08:49:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 08:49:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 08:49:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 08:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 08:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 08:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 08:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 08:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 08:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 08:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 08:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 08:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 08:49:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 08:49:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 08:49:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 08:49:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 08:49:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 08:49:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 08:49:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 08:49:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 08:49:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 08:49:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 08:49:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 08:49:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 08:49:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 08:49:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 08:49:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 08:49:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 08:49:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 08:49:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 08:49:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 08:49:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 08:49:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 08:49:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 08:49:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 08:49:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 08:49:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 08:49:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 08:49:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 08:49:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 08:49:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 08:49:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 08:49:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 08:49:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 08:49:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 08:49:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 08:49:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 08:49:02,565 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:49:03,003 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:49:03,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:49:03,516 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 08:49:03,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:49:03 BoogieIcfgContainer [2021-10-28 08:49:03,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:49:03,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:49:03,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:49:03,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:49:03,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:49:00" (1/3) ... [2021-10-28 08:49:03,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dd69f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:49:03, skipping insertion in model container [2021-10-28 08:49:03,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:49:01" (2/3) ... [2021-10-28 08:49:03,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dd69f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:49:03, skipping insertion in model container [2021-10-28 08:49:03,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:49:03" (3/3) ... [2021-10-28 08:49:03,527 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test10-1.i [2021-10-28 08:49:03,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:49:03,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 113 error locations. [2021-10-28 08:49:03,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:49:03,584 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 [2021-10-28 08:49:03,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2021-10-28 08:49:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 129 states have internal predecessors, (138), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-10-28 08:49:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:49:03,610 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:49:03,611 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:49:03,611 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:49:03,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:49:03,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2162883, now seen corresponding path program 1 times [2021-10-28 08:49:03,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:49:03,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278491232] [2021-10-28 08:49:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:49:03,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:49:03,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:49:03,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:49:03,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:49:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:49:03,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:49:03,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:49:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:03,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:49:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:04,101 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:49:04,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278491232] [2021-10-28 08:49:04,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278491232] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:49:04,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:49:04,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 08:49:04,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031478628] [2021-10-28 08:49:04,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:49:04,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:49:04,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:49:04,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:49:04,135 INFO L87 Difference]: Start difference. First operand has 156 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 129 states have internal predecessors, (138), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:49:04,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:49:04,421 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2021-10-28 08:49:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:49:04,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-10-28 08:49:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:49:04,439 INFO L225 Difference]: With dead ends: 143 [2021-10-28 08:49:04,440 INFO L226 Difference]: Without dead ends: 140 [2021-10-28 08:49:04,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:49:04,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-28 08:49:04,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 87. [2021-10-28 08:49:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 40 states have (on average 1.925) internal successors, (77), 73 states have internal predecessors, (77), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (11), 8 states have call predecessors, (11), 7 states have call successors, (11) [2021-10-28 08:49:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2021-10-28 08:49:04,507 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 16 [2021-10-28 08:49:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:49:04,508 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2021-10-28 08:49:04,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:49:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2021-10-28 08:49:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:49:04,511 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:49:04,511 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:49:04,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:49:04,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:49:04,722 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:49:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:49:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1744973218, now seen corresponding path program 1 times [2021-10-28 08:49:04,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:49:04,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081604160] [2021-10-28 08:49:04,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:49:04,724 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:49:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:49:04,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:49:04,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 08:49:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:49:04,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:49:04,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:49:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:04,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:49:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:05,100 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:49:05,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081604160] [2021-10-28 08:49:05,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081604160] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:49:05,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:49:05,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 08:49:05,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594372396] [2021-10-28 08:49:05,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:49:05,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:49:05,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:49:05,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:49:05,112 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:49:05,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:49:05,363 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2021-10-28 08:49:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:49:05,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-28 08:49:05,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:49:05,366 INFO L225 Difference]: With dead ends: 148 [2021-10-28 08:49:05,366 INFO L226 Difference]: Without dead ends: 145 [2021-10-28 08:49:05,367 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:49:05,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-28 08:49:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 83. [2021-10-28 08:49:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 37 states have (on average 1.972972972972973) internal successors, (73), 70 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-10-28 08:49:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2021-10-28 08:49:05,383 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 16 [2021-10-28 08:49:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:49:05,383 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2021-10-28 08:49:05,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:49:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2021-10-28 08:49:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:49:05,385 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:49:05,385 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:49:05,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:49:05,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:49:05,597 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:49:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:49:05,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1671219437, now seen corresponding path program 1 times [2021-10-28 08:49:05,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:49:05,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742454145] [2021-10-28 08:49:05,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:49:05,599 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:49:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:49:05,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:49:05,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 08:49:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:49:05,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:49:05,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:49:05,862 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 [2021-10-28 08:49:06,009 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 08:49:06,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-10-28 08:49:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:06,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:49:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:06,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:49:06,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742454145] [2021-10-28 08:49:06,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742454145] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:49:06,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:49:06,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 08:49:06,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886046729] [2021-10-28 08:49:06,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:49:06,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:49:06,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:49:06,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:49:06,294 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:49:11,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:49:11,727 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2021-10-28 08:49:11,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:49:11,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 19 [2021-10-28 08:49:11,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:49:11,731 INFO L225 Difference]: With dead ends: 182 [2021-10-28 08:49:11,731 INFO L226 Difference]: Without dead ends: 182 [2021-10-28 08:49:11,732 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-28 08:49:11,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-28 08:49:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 93. [2021-10-28 08:49:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 48 states have (on average 1.7708333333333333) internal successors, (85), 77 states have internal predecessors, (85), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (13), 9 states have call predecessors, (13), 8 states have call successors, (13) [2021-10-28 08:49:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2021-10-28 08:49:11,757 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 19 [2021-10-28 08:49:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:49:11,758 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2021-10-28 08:49:11,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 08:49:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2021-10-28 08:49:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:49:11,760 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:49:11,760 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:49:11,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:49:11,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:49:11,975 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:49:11,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:49:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1671219436, now seen corresponding path program 1 times [2021-10-28 08:49:11,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:49:11,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201191133] [2021-10-28 08:49:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:49:11,977 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:49:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:49:11,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:49:11,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 08:49:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:49:12,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:49:12,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:49:12,240 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 [2021-10-28 08:49:12,248 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 [2021-10-28 08:49:14,625 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 08:49:14,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-10-28 08:49:14,646 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 08:49:14,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-10-28 08:49:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:14,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:49:25,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-10-28 08:49:25,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:49:25,666 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:49:25,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201191133] [2021-10-28 08:49:25,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201191133] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:49:25,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:49:25,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 08:49:25,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686118025] [2021-10-28 08:49:25,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 08:49:25,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:49:25,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 08:49:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=198, Unknown=4, NotChecked=0, Total=240 [2021-10-28 08:49:25,669 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 08:50:30,965 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~a10~0.offset))) (and (forall ((|v_ldv_malloc_#res.base_28| (_ BitVec 32))) (or (and (forall ((v_ldv_malloc_~size_25 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~a10~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_28| v_ldv_malloc_~size_25) c_entry_point_~a10~0.base))) (bvule c_entry_point_~a10~0.offset (bvadd (_ bv4 32) c_entry_point_~a10~0.offset))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_28|))))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule c_entry_point_~a10~0.offset .cse0) (bvule .cse0 (select |c_#length| c_entry_point_~a10~0.base)))) is different from false [2021-10-28 08:51:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:51:11,385 INFO L93 Difference]: Finished difference Result 242 states and 269 transitions. [2021-10-28 08:51:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 08:51:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 19 [2021-10-28 08:51:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:51:11,389 INFO L225 Difference]: With dead ends: 242 [2021-10-28 08:51:11,390 INFO L226 Difference]: Without dead ends: 242 [2021-10-28 08:51:11,390 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=109, Invalid=537, Unknown=8, NotChecked=48, Total=702 [2021-10-28 08:51:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-28 08:51:11,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 131. [2021-10-28 08:51:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 109 states have internal predecessors, (141), 13 states have call successors, (13), 6 states have call predecessors, (13), 7 states have return successors, (22), 15 states have call predecessors, (22), 12 states have call successors, (22) [2021-10-28 08:51:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2021-10-28 08:51:11,423 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 19 [2021-10-28 08:51:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:51:11,423 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2021-10-28 08:51:11,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 12 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 08:51:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2021-10-28 08:51:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:51:11,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:51:11,425 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:51:11,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:51:11,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:51:11,625 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:51:11,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:51:11,626 INFO L85 PathProgramCache]: Analyzing trace with hash 826796500, now seen corresponding path program 1 times [2021-10-28 08:51:11,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:51:11,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799435877] [2021-10-28 08:51:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:51:11,627 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:51:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:51:11,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:51:11,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 08:51:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:51:11,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:51:11,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:51:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:51:11,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:51:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:12,096 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:51:12,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799435877] [2021-10-28 08:51:12,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799435877] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 08:51:12,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:51:12,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 08:51:12,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535359045] [2021-10-28 08:51:12,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:51:12,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:51:12,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:51:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:51:12,098 INFO L87 Difference]: Start difference. First operand 131 states and 176 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:51:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:51:12,174 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2021-10-28 08:51:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:51:12,175 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2021-10-28 08:51:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:51:12,176 INFO L225 Difference]: With dead ends: 87 [2021-10-28 08:51:12,176 INFO L226 Difference]: Without dead ends: 83 [2021-10-28 08:51:12,177 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:51:12,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-28 08:51:12,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2021-10-28 08:51:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 44 states have (on average 1.5681818181818181) internal successors, (69), 65 states have internal predecessors, (69), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2021-10-28 08:51:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2021-10-28 08:51:12,195 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 19 [2021-10-28 08:51:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:51:12,196 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2021-10-28 08:51:12,196 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-28 08:51:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-10-28 08:51:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:51:12,199 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:51:12,199 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:51:12,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:51:12,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:51:12,413 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:51:12,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:51:12,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1188547394, now seen corresponding path program 1 times [2021-10-28 08:51:12,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:51:12,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917658507] [2021-10-28 08:51:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:51:12,414 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:51:12,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:51:12,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:51:12,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 08:51:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:51:12,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:51:12,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:51:12,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2021-10-28 08:51:12,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-10-28 08:51:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:12,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:51:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:12,839 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:51:12,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917658507] [2021-10-28 08:51:12,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917658507] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:51:12,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:51:12,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 08:51:12,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126525128] [2021-10-28 08:51:12,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:51:12,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:51:12,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:51:12,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:51:12,842 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:51:13,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:51:13,014 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2021-10-28 08:51:13,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:51:13,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-10-28 08:51:13,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:51:13,016 INFO L225 Difference]: With dead ends: 88 [2021-10-28 08:51:13,016 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 08:51:13,017 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:51:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 08:51:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2021-10-28 08:51:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 68 states have internal predecessors, (73), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2021-10-28 08:51:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2021-10-28 08:51:13,024 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 24 [2021-10-28 08:51:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:51:13,024 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2021-10-28 08:51:13,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 08:51:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-10-28 08:51:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:51:13,026 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:51:13,026 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:51:13,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:51:13,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:51:13,232 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:51:13,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:51:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1298965439, now seen corresponding path program 1 times [2021-10-28 08:51:13,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:51:13,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128010381] [2021-10-28 08:51:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:51:13,236 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:51:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:51:13,237 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:51:13,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 08:51:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:51:13,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:51:13,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:51:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:51:13,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:51:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:14,030 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:51:14,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128010381] [2021-10-28 08:51:14,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128010381] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:51:14,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:51:14,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 08:51:14,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705575469] [2021-10-28 08:51:14,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 08:51:14,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:51:14,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 08:51:14,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 08:51:14,032 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 08:51:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:51:14,442 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-10-28 08:51:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:51:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-10-28 08:51:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:51:14,445 INFO L225 Difference]: With dead ends: 82 [2021-10-28 08:51:14,445 INFO L226 Difference]: Without dead ends: 82 [2021-10-28 08:51:14,446 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:51:14,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-28 08:51:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-10-28 08:51:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 67 states have internal predecessors, (71), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2021-10-28 08:51:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2021-10-28 08:51:14,453 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 24 [2021-10-28 08:51:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:51:14,453 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2021-10-28 08:51:14,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 08:51:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2021-10-28 08:51:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 08:51:14,455 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:51:14,455 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:51:14,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:51:14,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:51:14,670 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting entry_pointErr6REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:51:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:51:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash 88403612, now seen corresponding path program 1 times [2021-10-28 08:51:14,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:51:14,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507359179] [2021-10-28 08:51:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:51:14,671 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:51:14,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:51:14,673 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:51:14,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 08:51:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:51:14,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:51:14,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:51:15,015 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 [2021-10-28 08:51:15,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15 [2021-10-28 08:51:15,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-10-28 08:51:15,266 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 08:51:15,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2021-10-28 08:51:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:15,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:51:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:51:15,637 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:51:15,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507359179] [2021-10-28 08:51:15,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507359179] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:51:15,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:51:15,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-10-28 08:51:15,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759777325] [2021-10-28 08:51:15,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:51:15,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:51:15,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:51:15,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:51:15,640 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-28 08:51:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:51:17,231 INFO L93 Difference]: Finished difference Result 129 states and 141 transitions. [2021-10-28 08:51:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 08:51:17,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 29 [2021-10-28 08:51:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:51:17,234 INFO L225 Difference]: With dead ends: 129 [2021-10-28 08:51:17,234 INFO L226 Difference]: Without dead ends: 129 [2021-10-28 08:51:17,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-10-28 08:51:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-28 08:51:17,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 85. [2021-10-28 08:51:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 50 states have (on average 1.48) internal successors, (74), 69 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-28 08:51:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2021-10-28 08:51:17,243 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 29 [2021-10-28 08:51:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:51:17,243 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2021-10-28 08:51:17,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-10-28 08:51:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2021-10-28 08:51:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 08:51:17,245 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:51:17,245 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:51:17,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:51:17,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:51:17,452 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting entry_pointErr7REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:51:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:51:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash 88403613, now seen corresponding path program 1 times [2021-10-28 08:51:17,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:51:17,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153095001] [2021-10-28 08:51:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:51:17,453 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:51:17,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:51:17,456 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:51:17,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-28 08:51:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:51:17,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 08:51:17,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:51:17,812 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 [2021-10-28 08:51:17,818 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 [2021-10-28 08:51:17,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-10-28 08:51:17,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 22 [2021-10-28 08:51:18,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-10-28 08:51:18,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2021-10-28 08:51:20,297 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 08:51:20,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-10-28 08:51:20,314 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 08:51:20,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-10-28 08:51:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:51:20,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:51:28,985 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_entry_point_#t~mem47.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (_ BitVec 32))) (or (exists ((|v_ldv_malloc_#res.base_68| (_ BitVec 32))) (and (or (not (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|))) (exists ((v_ldv_malloc_~size_61 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_68| v_ldv_malloc_~size_61) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_68|))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|) (select (store |c_#length| |v_ldv_malloc_#res.base_69| ldv_malloc_~size) |v_entry_point_#t~mem47.base_BEFORE_CALL_4|))) (bvule |v_entry_point_#t~mem47.offset_BEFORE_CALL_2| (bvadd (_ bv4 32) |v_entry_point_#t~mem47.offset_BEFORE_CALL_2|))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_69|)))))))) is different from true [2021-10-28 08:51:30,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-10-28 08:51:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2021-10-28 08:51:31,124 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:51:31,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153095001] [2021-10-28 08:51:31,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153095001] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:51:31,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:51:31,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-10-28 08:51:31,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761498347] [2021-10-28 08:51:31,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-28 08:51:31,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:51:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 08:51:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=4, NotChecked=30, Total=306 [2021-10-28 08:51:31,127 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-10-28 08:52:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:52,616 INFO L93 Difference]: Finished difference Result 130 states and 141 transitions. [2021-10-28 08:52:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 08:52:52,617 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 29 [2021-10-28 08:52:52,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:52:52,619 INFO L225 Difference]: With dead ends: 130 [2021-10-28 08:52:52,619 INFO L226 Difference]: Without dead ends: 130 [2021-10-28 08:52:52,619 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=86, Invalid=463, Unknown=7, NotChecked=44, Total=600 [2021-10-28 08:52:52,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-28 08:52:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 85. [2021-10-28 08:52:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 50 states have (on average 1.46) internal successors, (73), 69 states have internal predecessors, (73), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-28 08:52:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2021-10-28 08:52:52,625 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 29 [2021-10-28 08:52:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:52:52,625 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2021-10-28 08:52:52,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 2.066666666666667) internal successors, (31), 14 states have internal predecessors, (31), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-10-28 08:52:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-10-28 08:52:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 08:52:52,627 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:52,627 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:52,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:52,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:52:52,846 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 109 more)] === [2021-10-28 08:52:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:52,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1144478410, now seen corresponding path program 1 times [2021-10-28 08:52:52,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:52:52,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069022525] [2021-10-28 08:52:52,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:52,847 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:52:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:52:52,848 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:52:52,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-28 08:52:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:53,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 08:52:53,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:53,156 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 08:52:53,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-28 08:52:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:52:57,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:53:01,999 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| |c_#valid|) (exists ((v_entry_point_~a10~0.base_42 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~a10~0.base_42 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_42)))))))))) is different from false [2021-10-28 08:53:02,086 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~a10~0.base_42 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~a10~0.base_42 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_42)))))))) (= |v_old(#valid)_BEFORE_CALL_8| (store |c_#valid| c_entry_point_~a10~0.base (_ bv0 1))))) is different from false [2021-10-28 08:53:02,459 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:53:02,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069022525] [2021-10-28 08:53:02,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~a10~0.base_42 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~a10~0.base_42 (_ bv0 1)) v_antiDerIndex_entry0_1))} [2021-10-28 08:53:02,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1819588274] [2021-10-28 08:53:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:02,460 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 08:53:02,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 08:53:02,469 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 08:53:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-28 08:53:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:02,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:53:02,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:02,951 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 08:53:02,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2021-10-28 08:53:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:53:05,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:53:09,643 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~a10~0.base_42 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_entry_point_~a10~0.base_42 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_42)))))))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from false [2021-10-28 08:53:09,732 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~a10~0.base_42 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |c_old(#valid)| v_entry_point_~a10~0.base_42 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_42)))))))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| c_entry_point_~a10~0.base (_ bv0 1))))) is different from false [2021-10-28 08:53:10,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~a10~0.base_42 (_ bv0 1)) v_prenex_5)=(= (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~a10~0.base_42 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_5 v_antiDerIndex_entry0_2))} [2021-10-28 08:53:10,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113325861] [2021-10-28 08:53:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:10,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:10,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:10,114 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:53:10,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-28 08:53:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:10,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 08:53:10,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:53:10,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:53:21,168 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~a10~0.base_42 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_18| (store |c_old(#valid)| v_entry_point_~a10~0.base_42 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~a10~0.base_42)))))))) (= |v_old(#valid)_BEFORE_CALL_18| (store |c_#valid| c_entry_point_~a10~0.base (_ bv0 1))))) is different from false [2021-10-28 08:53:21,710 INFO L354 Elim1Store]: treesize reduction 15, result has 79.5 percent of original size [2021-10-28 08:53:21,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 114 [2021-10-28 08:53:22,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(not (= (store |old(#valid)| v_entry_point_~a10~0.base_BEFORE_CALL_12 (_ bv0 1)) v_prenex_7))=(not (= (select (store |old(#valid)| v_entry_point_~a10~0.base_BEFORE_CALL_12 (_ bv0 1)) v_antiDerIndex_entry0_4) (select v_prenex_7 v_antiDerIndex_entry0_4)))} [2021-10-28 08:53:22,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:22,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 08:53:22,569 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 08:53:22,570 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 08:53:22,576 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 08:53:22,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,579 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,580 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,581 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,582 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 08:53:22,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 08:53:22,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 08:53:22,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 08:53:22,583 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err0REQUIRES_VIOLATION [2021-10-28 08:53:22,586 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err1REQUIRES_VIOLATION [2021-10-28 08:53:22,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err2REQUIRES_VIOLATION [2021-10-28 08:53:22,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err3REQUIRES_VIOLATION [2021-10-28 08:53:22,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err4REQUIRES_VIOLATION [2021-10-28 08:53:22,587 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_10Err5REQUIRES_VIOLATION [2021-10-28 08:53:22,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,588 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 08:53:22,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 08:53:22,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,589 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,590 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,591 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 08:53:22,592 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 08:53:22,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,595 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err0REQUIRES_VIOLATION [2021-10-28 08:53:22,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err1REQUIRES_VIOLATION [2021-10-28 08:53:22,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err2REQUIRES_VIOLATION [2021-10-28 08:53:22,596 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err3REQUIRES_VIOLATION [2021-10-28 08:53:22,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err4REQUIRES_VIOLATION [2021-10-28 08:53:22,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err5REQUIRES_VIOLATION [2021-10-28 08:53:22,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,597 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_10Err8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 08:53:22,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 08:53:22,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 08:53:22,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 08:53:22,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4REQUIRES_VIOLATION [2021-10-28 08:53:22,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5REQUIRES_VIOLATION [2021-10-28 08:53:22,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6REQUIRES_VIOLATION [2021-10-28 08:53:22,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7REQUIRES_VIOLATION [2021-10-28 08:53:22,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8REQUIRES_VIOLATION [2021-10-28 08:53:22,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9REQUIRES_VIOLATION [2021-10-28 08:53:22,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10REQUIRES_VIOLATION [2021-10-28 08:53:22,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11REQUIRES_VIOLATION [2021-10-28 08:53:22,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12REQUIRES_VIOLATION [2021-10-28 08:53:22,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr13REQUIRES_VIOLATION [2021-10-28 08:53:22,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr14REQUIRES_VIOLATION [2021-10-28 08:53:22,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr15REQUIRES_VIOLATION [2021-10-28 08:53:22,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr19REQUIRES_VIOLATION [2021-10-28 08:53:22,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr20REQUIRES_VIOLATION [2021-10-28 08:53:22,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 08:53:22,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:22,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:23,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-10-28 08:53:23,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:53:23,229 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:23,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:53:23,235 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 08:53:23,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:53:23 BoogieIcfgContainer [2021-10-28 08:53:23,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:53:23,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:53:23,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:53:23,247 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:53:23,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:49:03" (3/4) ... [2021-10-28 08:53:23,256 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:53:23,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:53:23,257 INFO L168 Benchmark]: Toolchain (without parser) took 262553.70 ms. Allocated memory was 58.7 MB in the beginning and 109.1 MB in the end (delta: 50.3 MB). Free memory was 37.9 MB in the beginning and 29.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:23,258 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:53:23,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.04 ms. Allocated memory is still 58.7 MB. Free memory was 37.7 MB in the beginning and 23.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:23,259 INFO L168 Benchmark]: Boogie Preprocessor took 123.25 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 23.8 MB in the beginning and 61.4 MB in the end (delta: -37.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:23,260 INFO L168 Benchmark]: RCFGBuilder took 1813.87 ms. Allocated memory is still 81.8 MB. Free memory was 61.4 MB in the beginning and 58.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:23,260 INFO L168 Benchmark]: TraceAbstraction took 259724.70 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 57.8 MB in the beginning and 30.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 65.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:23,261 INFO L168 Benchmark]: Witness Printer took 9.47 ms. Allocated memory is still 109.1 MB. Free memory was 30.0 MB in the beginning and 29.4 MB in the end (delta: 520.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:53:23,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 876.04 ms. Allocated memory is still 58.7 MB. Free memory was 37.7 MB in the beginning and 23.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.25 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 23.8 MB in the beginning and 61.4 MB in the end (delta: -37.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1813.87 ms. Allocated memory is still 81.8 MB. Free memory was 61.4 MB in the beginning and 58.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 259724.70 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 57.8 MB in the beginning and 30.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 65.4 MB. Max. memory is 16.1 GB. * Witness Printer took 9.47 ms. Allocated memory is still 109.1 MB. Free memory was 30.0 MB in the beginning and 29.4 MB in the end (delta: 520.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 786]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 786. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L787] CALL entry_point() [L773] CALL, EXPR ldv_malloc(sizeof(struct A10)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L773] RET, EXPR ldv_malloc(sizeof(struct A10)) [L773] struct A10 *a10 = (struct A10 *)ldv_malloc(sizeof(struct A10)); [L774] COND FALSE !(!a10) [L775] CALL, EXPR ldv_malloc(sizeof(struct B10)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L775] RET, EXPR ldv_malloc(sizeof(struct B10)) [L775] a10->b = (struct B10 *)ldv_malloc(sizeof(struct B10)) [L776] EXPR a10->b [L776] COND TRUE !a10->b [L784] free(a10) [L784] free(a10) [L784] free(a10) [L787] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 414 locations, 113 error locations. Started 1 CEGAR loops. OverallTime: 259.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 195.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 713 SDtfs, 1094 SDslu, 2347 SDs, 0 SdLazy, 2971 SolverSat, 296 SolverUnsat, 74 SolverUnknown, 0 SolverNotchecked, 164.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 314 SyntacticMatches, 10 SemanticMatches, 97 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 413 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.9s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 399 ConstructedInterpolants, 48 QuantifiedInterpolants, 2730 SizeOfPredicates, 30 NumberOfNonLiveVariables, 998 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 64/92 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 08:53:23,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1583a118-9211-4b91-8af4-9b20c5b3bf54/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...