./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.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_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/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_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/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_5bd86945-a81c-486d-9192-33043cd13d31/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 d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc ................................................................................................................................... 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_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/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_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/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_5bd86945-a81c-486d-9192-33043cd13d31/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 d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:58:50,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:58:50,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:58:50,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:58:50,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:58:50,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:58:50,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:58:50,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:58:50,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:58:50,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:58:50,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:58:50,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:58:50,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:58:50,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:58:50,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:58:50,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:58:50,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:58:50,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:58:50,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:58:50,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:58:50,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:58:50,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:58:50,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:58:50,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:58:50,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:58:50,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:58:50,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:58:50,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:58:50,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:58:50,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:58:50,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:58:50,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:58:50,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:58:50,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:58:50,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:58:50,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:58:50,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:58:50,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:58:50,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:58:50,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:58:50,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:58:50,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 08:58:50,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:58:50,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:58:50,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:58:50,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:58:50,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:58:50,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:58:50,790 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:58:50,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:58:50,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:58:50,791 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:58:50,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:58:50,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:58:50,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:58:50,792 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:58:50,792 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:58:50,792 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:58:50,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:58:50,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:58:50,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:58:50,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:58:50,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:58:50,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:58:50,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:58:50,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:58:50,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:58:50,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:58:50,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:58:50,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:58:50,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:58:50,804 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_5bd86945-a81c-486d-9192-33043cd13d31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc [2021-10-28 08:58:51,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:58:51,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:58:51,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:58:51,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:58:51,121 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:58:51,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-28 08:58:51,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/07eb54c5e/1981776462f44ef4937d8620d8662f5c/FLAGabf59d695 [2021-10-28 08:58:51,781 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:58:51,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-28 08:58:51,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/07eb54c5e/1981776462f44ef4937d8620d8662f5c/FLAGabf59d695 [2021-10-28 08:58:52,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/07eb54c5e/1981776462f44ef4937d8620d8662f5c [2021-10-28 08:58:52,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:58:52,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:58:52,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:58:52,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:58:52,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:58:52,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:52" (1/1) ... [2021-10-28 08:58:52,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1901c723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:52, skipping insertion in model container [2021-10-28 08:58:52,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:52" (1/1) ... [2021-10-28 08:58:52,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:58:52,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:58:52,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:58:52,792 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 08:58:52,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d615012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:52, skipping insertion in model container [2021-10-28 08:58:52,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:58:52,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:58:52,797 INFO L168 Benchmark]: Toolchain (without parser) took 615.28 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 81.5 MB in the end (delta: -27.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:58:52,799 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:58:52,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.54 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.0 MB in the beginning and 81.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:58:52,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 612.54 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.0 MB in the beginning and 81.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 6.3 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 08:58:55,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:58:55,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:58:55,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:58:55,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:58:55,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:58:55,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:58:55,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:58:55,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:58:55,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:58:55,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:58:55,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:58:55,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:58:55,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:58:55,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:58:55,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:58:55,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:58:55,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:58:55,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:58:55,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:58:55,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:58:55,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:58:55,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:58:55,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:58:55,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:58:55,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:58:55,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:58:55,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:58:55,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:58:55,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:58:55,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:58:55,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:58:55,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:58:55,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:58:55,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:58:55,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:58:55,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:58:55,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:58:55,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:58:55,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:58:55,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:58:55,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 08:58:55,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:58:55,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:58:55,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:58:55,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:58:55,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:58:55,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:58:55,261 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:58:55,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:58:55,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:58:55,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:58:55,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:58:55,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:58:55,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:58:55,264 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:58:55,264 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:58:55,264 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:58:55,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:58:55,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:58:55,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:58:55,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:58:55,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:58:55,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:58:55,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:58:55,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:58:55,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:58:55,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:58:55,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:58:55,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:58:55,267 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:58:55,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:58:55,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:58:55,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:58:55,269 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_5bd86945-a81c-486d-9192-33043cd13d31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d286f1bc6bef2af97aa9bf8e95cd227fcca3bcb186ca467ee6b24a6fc8e433bc [2021-10-28 08:58:55,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:58:55,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:58:55,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:58:55,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:58:55,693 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:58:55,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-28 08:58:55,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/99aaed331/87d68ecca79c44eaa20fc19d239d352a/FLAGd862e0caf [2021-10-28 08:58:56,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:58:56,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/sv-benchmarks/c/ldv-memsafety/memleaks_test11.i [2021-10-28 08:58:56,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/99aaed331/87d68ecca79c44eaa20fc19d239d352a/FLAGd862e0caf [2021-10-28 08:58:56,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/data/99aaed331/87d68ecca79c44eaa20fc19d239d352a [2021-10-28 08:58:56,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:58:56,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:58:56,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:58:56,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:58:56,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:58:56,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:56" (1/1) ... [2021-10-28 08:58:56,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4c53ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:56, skipping insertion in model container [2021-10-28 08:58:56,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:56" (1/1) ... [2021-10-28 08:58:56,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:58:56,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:58:57,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:58:57,186 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 08:58:57,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:58:57,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:58:57,247 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:58:57,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:58:57,385 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:58:57,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57 WrapperNode [2021-10-28 08:58:57,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:58:57,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:58:57,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:58:57,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:58:57,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:58:57,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:58:57,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:58:57,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:58:57,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (1/1) ... [2021-10-28 08:58:57,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:58:57,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:58:57,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:58:57,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:58:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 08:58:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:58:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:58:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:58:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 08:58:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 08:58:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 08:58:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 08:58:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 08:58:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 08:58:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 08:58:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 08:58:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 08:58:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:58:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 08:58:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 08:58:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 08:58:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 08:58:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 08:58:57,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 08:58:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 08:58:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 08:58:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 08:58:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 08:58:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 08:58:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 08:58:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 08:58:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-28 08:58:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-28 08:58:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_11 [2021-10-28 08:58:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-28 08:58:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 08:58:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 08:58:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 08:58:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 08:58:57,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 08:58:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 08:58:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 08:58:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 08:58:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 08:58:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 08:58:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 08:58:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 08:58:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 08:58:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 08:58:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 08:58:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 08:58:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 08:58:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 08:58:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 08:58:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 08:58:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 08:58:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 08:58:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 08:58:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 08:58:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 08:58:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 08:58:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 08:58:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 08:58:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 08:58:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 08:58:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 08:58:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 08:58:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 08:58:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 08:58:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 08:58:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 08:58:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 08:58:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 08:58:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 08:58:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 08:58:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 08:58:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 08:58:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 08:58:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 08:58:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 08:58:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 08:58:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 08:58:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 08:58:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 08:58:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 08:58:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 08:58:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 08:58:57,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 08:58:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 08:58:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 08:58:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 08:58:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 08:58:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 08:58:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 08:58:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 08:58:57,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 08:58:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 08:58:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 08:58:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 08:58:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 08:58:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-28 08:58:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_11 [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:58:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 08:58:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 08:58:58,246 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:58:58,668 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 08:58:58,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:58:58,986 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 08:58:58,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:58 BoogieIcfgContainer [2021-10-28 08:58:58,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:58:58,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:58:58,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:58:58,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:58:58,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:58:56" (1/3) ... [2021-10-28 08:58:58,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7689a4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:58:58, skipping insertion in model container [2021-10-28 08:58:58,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:57" (2/3) ... [2021-10-28 08:58:58,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7689a4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:58:58, skipping insertion in model container [2021-10-28 08:58:58,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:58" (3/3) ... [2021-10-28 08:58:58,997 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11.i [2021-10-28 08:58:59,002 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:58:59,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-28 08:58:59,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:58:59,051 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 08:58:59,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-28 08:58:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-28 08:58:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:58:59,097 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:58:59,097 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:58:59,098 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 89 more)] === [2021-10-28 08:58:59,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:58:59,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1516499371, now seen corresponding path program 1 times [2021-10-28 08:58:59,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:58:59,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686686425] [2021-10-28 08:58:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:58:59,117 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:58:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:58:59,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:58:59,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:58:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:58:59,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:58:59,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:58:59,511 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 08:58:59,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:58:59,627 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 08:58:59,628 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:58:59,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686686425] [2021-10-28 08:58:59,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686686425] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:58:59,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:58:59,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 08:58:59,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119199073] [2021-10-28 08:58:59,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:58:59,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:58:59,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:58:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:58:59,651 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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 08:58:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:58:59,788 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-28 08:58:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:58:59,789 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 08:58:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:58:59,803 INFO L225 Difference]: With dead ends: 146 [2021-10-28 08:58:59,803 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 08:58:59,806 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 08:58:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 08:58:59,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-28 08:58:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 08:58:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-28 08:58:59,877 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-28 08:58:59,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:58:59,877 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-28 08:58:59,878 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 08:58:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-28 08:58:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:58:59,880 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:58:59,880 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:58:59,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 08:59:00,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:59:00,094 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 89 more)] === [2021-10-28 08:59:00,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash 226310964, now seen corresponding path program 1 times [2021-10-28 08:59:00,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:59:00,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390472903] [2021-10-28 08:59:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:00,104 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:59:00,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:59:00,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:59:00,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 08:59:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:00,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:59:00,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:59:00,335 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 08:59:00,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:59:00,432 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 08:59:00,432 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:59:00,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390472903] [2021-10-28 08:59:00,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390472903] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:00,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:00,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 08:59:00,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501223298] [2021-10-28 08:59:00,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:59:00,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:59:00,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:59:00,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:59:00,435 INFO L87 Difference]: Start difference. First operand 109 states and 121 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 08:59:00,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:00,673 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-28 08:59:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:59:00,674 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 08:59:00,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:00,676 INFO L225 Difference]: With dead ends: 158 [2021-10-28 08:59:00,677 INFO L226 Difference]: Without dead ends: 155 [2021-10-28 08:59:00,677 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 08:59:00,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-28 08:59:00,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-28 08:59:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 08:59:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-28 08:59:00,701 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-28 08:59:00,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:00,701 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-28 08:59:00,702 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 08:59:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-28 08:59:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:59:00,702 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:00,703 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:00,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:59:00,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:59:00,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:59:00,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:00,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1524206166, now seen corresponding path program 1 times [2021-10-28 08:59:00,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:59:00,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642414844] [2021-10-28 08:59:00,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:00,905 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:59:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:59:00,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:59:00,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 08:59:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:01,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:59:01,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:59:01,167 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 08:59:01,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:59:01,248 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 08:59:01,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:59:01,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642414844] [2021-10-28 08:59:01,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642414844] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:01,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:01,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 08:59:01,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084751217] [2021-10-28 08:59:01,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:59:01,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:59:01,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:59:01,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:59:01,253 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 08:59:01,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:01,348 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-28 08:59:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:59:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 21 [2021-10-28 08:59:01,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:01,351 INFO L225 Difference]: With dead ends: 140 [2021-10-28 08:59:01,354 INFO L226 Difference]: Without dead ends: 140 [2021-10-28 08:59:01,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 08:59:01,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-28 08:59:01,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-28 08:59:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-28 08:59:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-28 08:59:01,382 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-28 08:59:01,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:01,382 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-28 08:59:01,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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 08:59:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-28 08:59:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:59:01,385 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:01,385 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:01,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:59:01,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:59:01,610 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:59:01,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:01,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1524206133, now seen corresponding path program 1 times [2021-10-28 08:59:01,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:59:01,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887769328] [2021-10-28 08:59:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:01,611 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:59:01,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:59:01,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:59:01,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 08:59:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:01,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:59:01,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:59:01,855 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 08:59:01,993 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-28 08:59:01,994 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 16 treesize of output 21 [2021-10-28 08:59:02,048 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 08:59:02,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:59:02,336 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 08:59:02,336 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:59:02,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887769328] [2021-10-28 08:59:02,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887769328] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:59:02,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:59:02,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-28 08:59:02,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949776373] [2021-10-28 08:59:02,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:59:02,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:59:02,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:59:02,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:59:02,339 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 08:59:03,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:03,425 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-28 08:59:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:59:03,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 21 [2021-10-28 08:59:03,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:03,429 INFO L225 Difference]: With dead ends: 205 [2021-10-28 08:59:03,429 INFO L226 Difference]: Without dead ends: 205 [2021-10-28 08:59:03,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 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 08:59:03,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-28 08:59:03,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-28 08:59:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-28 08:59:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-28 08:59:03,444 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-28 08:59:03,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:03,444 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-28 08:59:03,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 08:59:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-28 08:59:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 08:59:03,446 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:03,446 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:03,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:59:03,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:59:03,654 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 08:59:03,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1524206132, now seen corresponding path program 1 times [2021-10-28 08:59:03,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:59:03,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730040937] [2021-10-28 08:59:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:03,656 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:59:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:59:03,657 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:59:03,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 08:59:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:03,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 08:59:03,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:59:03,913 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 08:59:03,919 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 08:59:06,227 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 08:59:06,228 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 34 treesize of output 36 [2021-10-28 08:59:06,241 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 08:59:06,242 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 28 treesize of output 28 [2021-10-28 08:59:06,301 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 08:59:06,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:59:14,958 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) is different from true [2021-10-28 08:59:16,471 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 28 treesize of output 26 [2021-10-28 08:59:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-28 08:59:16,558 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:59:16,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730040937] [2021-10-28 08:59:16,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730040937] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 08:59:16,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:59:16,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-28 08:59:16,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676288908] [2021-10-28 08:59:16,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-28 08:59:16,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:59:16,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 08:59:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=4, NotChecked=26, Total=240 [2021-10-28 08:59:16,560 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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 08:59:29,191 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (not (= (_ bv20 32) |c_ldv_malloc_#in~size|)))) (and (or .cse0 (forall ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_35|)))))) (and (forall ((v_ldv_malloc_~size_31 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) |c_ldv_malloc_#res.offset|) (select (store |c_#length| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) |c_ldv_malloc_#res.base|))) (bvule |c_ldv_malloc_#res.offset| (bvadd (_ bv4 32) |c_ldv_malloc_#res.offset|)))))) (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (or (bvule (_ bv4 32) c_ldv_malloc_~size) .cse0))) is different from false [2021-10-28 09:00:24,301 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~c11~0.offset))) (and (bvule c_entry_point_~c11~0.offset .cse0) (forall ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (or (and (bvule c_entry_point_~c11~0.offset (bvadd (_ bv4 32) c_entry_point_~c11~0.offset)) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~c11~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_35|)))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule .cse0 (select |c_#length| c_entry_point_~c11~0.base)))) is different from false [2021-10-28 09:01:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:35,685 INFO L93 Difference]: Finished difference Result 317 states and 365 transitions. [2021-10-28 09:01:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-28 09:01:35,685 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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 21 [2021-10-28 09:01:35,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:35,688 INFO L225 Difference]: With dead ends: 317 [2021-10-28 09:01:35,689 INFO L226 Difference]: Without dead ends: 317 [2021-10-28 09:01:35,690 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 33.7s TimeCoverageRelationStatistics Valid=120, Invalid=586, Unknown=8, NotChecked=156, Total=870 [2021-10-28 09:01:35,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-10-28 09:01:35,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 157. [2021-10-28 09:01:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 95 states have (on average 1.5473684210526315) internal successors, (147), 120 states have internal predecessors, (147), 22 states have call successors, (22), 12 states have call predecessors, (22), 13 states have return successors, (30), 24 states have call predecessors, (30), 21 states have call successors, (30) [2021-10-28 09:01:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 199 transitions. [2021-10-28 09:01:35,710 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 199 transitions. Word has length 21 [2021-10-28 09:01:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:35,710 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 199 transitions. [2021-10-28 09:01:35,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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 09:01:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2021-10-28 09:01:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:01:35,712 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:35,712 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:01:35,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:35,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:35,934 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 09:01:35,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:35,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1817609140, now seen corresponding path program 1 times [2021-10-28 09:01:35,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:35,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104846607] [2021-10-28 09:01:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:35,935 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:35,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:01:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:36,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:01:36,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:36,303 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 09:01:36,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:36,447 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 09:01:36,448 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:36,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104846607] [2021-10-28 09:01:36,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104846607] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-28 09:01:36,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:01:36,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-28 09:01:36,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991135420] [2021-10-28 09:01:36,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:01:36,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:36,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:01:36,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:01:36,450 INFO L87 Difference]: Start difference. First operand 157 states and 199 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 09:01:36,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:36,497 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2021-10-28 09:01:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:01:36,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2021-10-28 09:01:36,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:36,500 INFO L225 Difference]: With dead ends: 138 [2021-10-28 09:01:36,500 INFO L226 Difference]: Without dead ends: 134 [2021-10-28 09:01:36,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 09:01:36,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-28 09:01:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-10-28 09:01:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 80 states have (on average 1.525) internal successors, (122), 102 states have internal predecessors, (122), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-28 09:01:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-10-28 09:01:36,524 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 21 [2021-10-28 09:01:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:36,525 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-10-28 09:01:36,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 09:01:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-10-28 09:01:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:01:36,527 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:36,528 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] [2021-10-28 09:01:36,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:01:36,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:36,741 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 09:01:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:36,742 INFO L85 PathProgramCache]: Analyzing trace with hash 881753269, now seen corresponding path program 1 times [2021-10-28 09:01:36,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:36,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909053514] [2021-10-28 09:01:36,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:36,742 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:36,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:36,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:36,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 09:01:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:36,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:01:36,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:37,277 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 09:01:37,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:37,496 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 09:01:37,497 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:37,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909053514] [2021-10-28 09:01:37,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909053514] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 09:01:37,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:01:37,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-28 09:01:37,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369971150] [2021-10-28 09:01:37,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:01:37,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:01:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:01:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:01:37,504 INFO L87 Difference]: Start difference. First operand 134 states and 162 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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 09:01:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:01:38,066 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2021-10-28 09:01:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:01:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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 22 [2021-10-28 09:01:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:01:38,069 INFO L225 Difference]: With dead ends: 133 [2021-10-28 09:01:38,069 INFO L226 Difference]: Without dead ends: 133 [2021-10-28 09:01:38,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 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 09:01:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-28 09:01:38,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-28 09:01:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.5) internal successors, (120), 101 states have internal predecessors, (120), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-28 09:01:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 160 transitions. [2021-10-28 09:01:38,078 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 160 transitions. Word has length 22 [2021-10-28 09:01:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:01:38,078 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 160 transitions. [2021-10-28 09:01:38,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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 09:01:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 160 transitions. [2021-10-28 09:01:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:01:38,080 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:01:38,080 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] [2021-10-28 09:01:38,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-28 09:01:38,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:01:38,293 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-28 09:01:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:01:38,293 INFO L85 PathProgramCache]: Analyzing trace with hash 466132951, now seen corresponding path program 1 times [2021-10-28 09:01:38,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:01:38,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868765441] [2021-10-28 09:01:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:38,294 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:01:38,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:01:38,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:01:38,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-28 09:01:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:38,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:01:38,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:38,529 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:01:38,530 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 09:01:43,081 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 09:01:43,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:01:54,923 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:01:54,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868765441] [2021-10-28 09:01:54,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-28 09:01:54,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1236054521] [2021-10-28 09:01:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:01:54,924 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 09:01:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 09:01:54,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 09:01:54,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-28 09:01:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:01:55,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:01:55,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:01:55,318 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:01:55,319 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 09:01:55,702 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 09:01:55,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:02:07,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_5)=(= (select v_prenex_5 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-28 09:02:07,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859654251] [2021-10-28 09:02:07,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:02:07,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:02:07,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:07,586 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:02:07,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 09:02:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:02:07,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 09:02:07,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:02:10,199 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 09:02:10,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:02:23,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_9)=(= (select v_prenex_9 v_antiDerIndex_entry0_3) (select (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_3))} [2021-10-28 09:02:23,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:02:23,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 09:02:23,492 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 09:02:23,492 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 09:02:23,498 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:02:23,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,500 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:02:23,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:02:23,503 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:02:23,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:02:23,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,504 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,505 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,506 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:02:23,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:02:23,507 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err0REQUIRES_VIOLATION [2021-10-28 09:02:23,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err1REQUIRES_VIOLATION [2021-10-28 09:02:23,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err2REQUIRES_VIOLATION [2021-10-28 09:02:23,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err3REQUIRES_VIOLATION [2021-10-28 09:02:23,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err4REQUIRES_VIOLATION [2021-10-28 09:02:23,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_11Err5REQUIRES_VIOLATION [2021-10-28 09:02:23,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,509 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:02:23,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:02:23,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,512 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,513 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,513 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,513 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,513 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-28 09:02:23,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-28 09:02:23,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-28 09:02:23,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-28 09:02:23,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:02:23,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:23,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:23,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:24,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:02:24,134 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:02:24,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:02:24,140 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:02:24,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:02:24 BoogieIcfgContainer [2021-10-28 09:02:24,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:02:24,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:02:24,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:02:24,149 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:02:24,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:58" (3/4) ... [2021-10-28 09:02:24,155 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:02:24,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:02:24,156 INFO L168 Benchmark]: Toolchain (without parser) took 207534.25 ms. Allocated memory was 65.0 MB in the beginning and 119.5 MB in the end (delta: 54.5 MB). Free memory was 42.9 MB in the beginning and 63.5 MB in the end (delta: -20.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:24,157 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:24,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.39 ms. Allocated memory is still 65.0 MB. Free memory was 42.7 MB in the beginning and 28.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:24,160 INFO L168 Benchmark]: Boogie Preprocessor took 125.21 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 28.8 MB in the beginning and 70.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:24,161 INFO L168 Benchmark]: RCFGBuilder took 1475.63 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 44.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:24,161 INFO L168 Benchmark]: TraceAbstraction took 205156.94 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 44.0 MB in the beginning and 63.5 MB in the end (delta: -19.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:24,162 INFO L168 Benchmark]: Witness Printer took 6.73 ms. Allocated memory is still 119.5 MB. Free memory is still 63.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:24,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.39 ms. Allocated memory is still 65.0 MB. Free memory was 42.7 MB in the beginning and 28.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.21 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 28.8 MB in the beginning and 70.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1475.63 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 44.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 205156.94 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 44.0 MB in the beginning and 63.5 MB in the end (delta: -19.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.73 ms. Allocated memory is still 119.5 MB. Free memory is still 63.5 MB. 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: 822]: 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 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: 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: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: 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: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 205.0s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 141.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 842 SDtfs, 870 SDslu, 2305 SDs, 0 SdLazy, 1990 SolverSat, 257 SolverUnsat, 53 SolverUnknown, 0 SolverNotchecked, 114.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 292 GetRequests, 226 SyntacticMatches, 7 SemanticMatches, 59 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 58, 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, 7 MinimizatonAttempts, 356 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 287 ConstructedInterpolants, 28 QuantifiedInterpolants, 1645 SizeOfPredicates, 9 NumberOfNonLiveVariables, 714 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 26/44 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 09:02:24,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd86945-a81c-486d-9192-33043cd13d31/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...