./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 ................................................................................................................................... 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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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 d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:55:46,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:46,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:46,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:46,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:46,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:46,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:46,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:46,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:46,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:46,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:46,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:46,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:46,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:46,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:46,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:46,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:46,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:46,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:46,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:46,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:46,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:46,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:46,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:46,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:46,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:46,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:46,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:46,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:46,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:46,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:46,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:46,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:46,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:46,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:46,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:46,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:46,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:46,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:46,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:46,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:46,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:55:46,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:46,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:46,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:46,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:46,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:46,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:46,825 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:46,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:46,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:46,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:55:46,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:46,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:46,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:46,827 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:55:46,827 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:55:46,827 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:55:46,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:55:46,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:55:46,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:46,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:46,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:46,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:46,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:55:46,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:46,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:46,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:55:46,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:55:46,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:55:46,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:46,830 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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-10-28 09:55:47,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:47,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:47,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:47,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:47,133 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:47,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-28 09:55:47,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/7dfc75fd8/3b703bbc82fc418bb8337c32fba15771/FLAGe46936c04 [2021-10-28 09:55:47,782 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:47,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-28 09:55:47,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/7dfc75fd8/3b703bbc82fc418bb8337c32fba15771/FLAGe46936c04 [2021-10-28 09:55:48,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/7dfc75fd8/3b703bbc82fc418bb8337c32fba15771 [2021-10-28 09:55:48,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:48,097 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:55:48,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:48,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:48,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:48,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:48" (1/1) ... [2021-10-28 09:55:48,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f29f3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:48, skipping insertion in model container [2021-10-28 09:55:48,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:48" (1/1) ... [2021-10-28 09:55:48,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:48,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:48,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:48,710 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 09:55:48,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@793953f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:48, skipping insertion in model container [2021-10-28 09:55:48,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:48,712 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:55:48,716 INFO L168 Benchmark]: Toolchain (without parser) took 616.74 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 66.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:48,718 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.7 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:48,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.17 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 66.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:48,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.7 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.17 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 66.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:55:51,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:51,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:51,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:51,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:51,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:51,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:51,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:51,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:51,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:51,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:51,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:51,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:51,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:51,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:51,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:51,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:51,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:51,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:51,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:51,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:51,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:51,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:51,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:51,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:51,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:51,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:51,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:51,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:51,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:51,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:51,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:51,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:51,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:51,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:51,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:51,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:51,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:51,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:51,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:51,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:51,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 09:55:51,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:51,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:51,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:51,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:51,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:51,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:51,270 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:51,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:51,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:51,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:55:51,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:51,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:51,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:51,271 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:55:51,272 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:55:51,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:51,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:51,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:51,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:51,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:55:51,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:51,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:51,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:55:51,274 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:55:51,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:55:51,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:51,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:55:51,275 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_1ea80d9d-091d-491b-b044-f2975dc9d0a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d93866bdcd748cdf15837797eb67e5b49645998c33f9f4788420360893eea3e2 [2021-10-28 09:55:51,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:51,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:51,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:51,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:51,648 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:51,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-28 09:55:51,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/f11a3ffd2/2277c8b7f05042e7acec6429d1d48549/FLAG7ae88eedc [2021-10-28 09:55:52,497 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:52,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2021-10-28 09:55:52,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/f11a3ffd2/2277c8b7f05042e7acec6429d1d48549/FLAG7ae88eedc [2021-10-28 09:55:52,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/data/f11a3ffd2/2277c8b7f05042e7acec6429d1d48549 [2021-10-28 09:55:52,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:52,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:55:52,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:52,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:52,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:52,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:52" (1/1) ... [2021-10-28 09:55:52,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f03b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:52, skipping insertion in model container [2021-10-28 09:55:52,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:52" (1/1) ... [2021-10-28 09:55:52,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:52,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:53,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:53,298 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 09:55:53,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:53,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:53,420 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:55:53,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:53,553 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:55:53,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53 WrapperNode [2021-10-28 09:55:53,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:53,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:55:53,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:55:53,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:55:53,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:55:53,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:55:53,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:55:53,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:55:53,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (1/1) ... [2021-10-28 09:55:53,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:53,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:53,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:53,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:55:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:55:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:55:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:55:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:55:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 09:55:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 09:55:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 09:55:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 09:55:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 09:55:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 09:55:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 09:55:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 09:55:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 09:55:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:55:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 09:55:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 09:55:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 09:55:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 09:55:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 09:55:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 09:55:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 09:55:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 09:55:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 09:55:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 09:55:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 09:55:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 09:55:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 09:55:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 09:55:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 09:55:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 09:55:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 09:55:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 09:55:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 09:55:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 09:55:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 09:55:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 09:55:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 09:55:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 09:55:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 09:55:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 09:55:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 09:55:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 09:55:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2021-10-28 09:55:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-10-28 09:55:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 09:55:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:55:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 09:55:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 09:55:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 09:55:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 09:55:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 09:55:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 09:55:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 09:55:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 09:55:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 09:55:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 09:55:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 09:55:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 09:55:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 09:55:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 09:55:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 09:55:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 09:55:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 09:55:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 09:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 09:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 09:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 09:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 09:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 09:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 09:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 09:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 09:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 09:55:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 09:55:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 09:55:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 09:55:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 09:55:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 09:55:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 09:55:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 09:55:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 09:55:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 09:55:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 09:55:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 09:55:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 09:55:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 09:55:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 09:55:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 09:55:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 09:55:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 09:55:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 09:55:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 09:55:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 09:55:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 09:55:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 09:55:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 09:55:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 09:55:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 09:55:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 09:55:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 09:55:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 09:55:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 09:55:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 09:55:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 09:55:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 09:55:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 09:55:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 09:55:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 09:55:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 09:55:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 09:55:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 09:55:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 09:55:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 09:55:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 09:55:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 09:55:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 09:55:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 09:55:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 09:55:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 09:55:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 09:55:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 09:55:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 09:55:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 09:55:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 09:55:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 09:55:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 09:55:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 09:55:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 09:55:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 09:55:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 09:55:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 09:55:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 09:55:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 09:55:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 09:55:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 09:55:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 09:55:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 09:55:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 09:55:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 09:55:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 09:55:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 09:55:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 09:55:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 09:55:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 09:55:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 09:55:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 09:55:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 09:55:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 09:55:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:55:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 09:55:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 09:55:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 09:55:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:55:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 09:55:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 09:55:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 09:55:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 09:55:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 09:55:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:55:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 09:55:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 09:55:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 09:55:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 09:55:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 09:55:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:55:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:55:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 09:55:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 09:55:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 09:55:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 09:55:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 09:55:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 09:55:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 09:55:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 09:55:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 09:55:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 09:55:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 09:55:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 09:55:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 09:55:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 09:55:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 09:55:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 09:55:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 09:55:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2021-10-28 09:55:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-10-28 09:55:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 09:55:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:55:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:55:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:55:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:55:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:55:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 09:55:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 09:55:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 09:55:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 09:55:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 09:55:54,563 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:55:54,905 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:55:55,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:55:55,248 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 09:55:55,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55 BoogieIcfgContainer [2021-10-28 09:55:55,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:55:55,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:55:55,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:55:55,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:55:55,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:55:52" (1/3) ... [2021-10-28 09:55:55,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26496138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:55, skipping insertion in model container [2021-10-28 09:55:55,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:53" (2/3) ... [2021-10-28 09:55:55,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26496138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:55, skipping insertion in model container [2021-10-28 09:55:55,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55" (3/3) ... [2021-10-28 09:55:55,268 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2021-10-28 09:55:55,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:55:55,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 09:55:55,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:55:55,369 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 09:55:55,369 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 09:55:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 58 states have (on average 1.5) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-28 09:55:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:55:55,409 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:55,410 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:55,411 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2021-10-28 09:55:55,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:55,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088649363] [2021-10-28 09:55:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:55,432 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:55,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:55,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:55:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:55,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:55:55,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:55,848 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 09:55:55,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:55,996 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 09:55:55,997 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:55,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088649363] [2021-10-28 09:55:55,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088649363] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:55,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:55,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:55:56,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129762015] [2021-10-28 09:55:56,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:56,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:56,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:56,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:56,035 INFO L87 Difference]: Start difference. First operand has 105 states, 58 states have (on average 1.5) internal successors, (87), 80 states have internal predecessors, (87), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:56,118 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-10-28 09:55:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:55:56,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 09:55:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:56,129 INFO L225 Difference]: With dead ends: 34 [2021-10-28 09:55:56,129 INFO L226 Difference]: Without dead ends: 31 [2021-10-28 09:55:56,131 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:55:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-28 09:55:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-28 09:55:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-28 09:55:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-10-28 09:55:56,173 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2021-10-28 09:55:56,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:56,173 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-10-28 09:55:56,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-10-28 09:55:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-28 09:55:56,176 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:56,177 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:55:56,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:56,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:56,389 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2021-10-28 09:55:56,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:56,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465618994] [2021-10-28 09:55:56,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:56,391 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:56,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:56,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:56,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:55:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:56,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:55:56,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:56,904 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 09:55:56,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:57,177 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:57,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465618994] [2021-10-28 09:55:57,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465618994] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-28 09:55:57,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495351599] [2021-10-28 09:55:57,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 09:55:57,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:55:57,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:55:57,189 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:55:57,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:57,511 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-10-28 09:55:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:55:57,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 21 [2021-10-28 09:55:57,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:57,514 INFO L225 Difference]: With dead ends: 45 [2021-10-28 09:55:57,514 INFO L226 Difference]: Without dead ends: 45 [2021-10-28 09:55:57,515 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:55:57,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-28 09:55:57,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-10-28 09:55:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 09:55:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-10-28 09:55:57,525 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2021-10-28 09:55:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:57,525 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-10-28 09:55:57,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 09:55:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-28 09:55:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:57,527 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:57,527 INFO L513 BasicCegarLoop]: trace histogram [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 09:55:57,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:57,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:57,745 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:57,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:57,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2021-10-28 09:55:57,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:57,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571459357] [2021-10-28 09:55:57,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:57,747 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:57,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:57,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:55:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:58,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:55:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:58,061 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 09:55:58,171 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 09:55:58,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:58,346 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 09:55:58,347 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:58,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571459357] [2021-10-28 09:55:58,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571459357] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:58,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:58,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-28 09:55:58,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362053573] [2021-10-28 09:55:58,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:58,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:58,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:58,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:58,350 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:58,421 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-10-28 09:55:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:55:58,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-28 09:55:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:58,428 INFO L225 Difference]: With dead ends: 43 [2021-10-28 09:55:58,428 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 09:55:58,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:58,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 09:55:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-28 09:55:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 7 states have call successors, (7), 7 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-28 09:55:58,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-10-28 09:55:58,450 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2021-10-28 09:55:58,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:58,451 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-10-28 09:55:58,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-10-28 09:55:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:58,453 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:58,453 INFO L513 BasicCegarLoop]: trace histogram [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 09:55:58,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:58,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:58,665 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:58,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2021-10-28 09:55:58,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:58,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242588614] [2021-10-28 09:55:58,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:58,666 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:58,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:58,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:58,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:55:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:58,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:55:58,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:59,013 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 09:55:59,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:59,219 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 09:55:59,219 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:59,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242588614] [2021-10-28 09:55:59,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242588614] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:59,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:59,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:55:59,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487645399] [2021-10-28 09:55:59,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:59,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:59,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:59,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:59,222 INFO L87 Difference]: Start difference. First operand 42 states and 46 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:59,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:59,316 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2021-10-28 09:55:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:55:59,316 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-10-28 09:55:59,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:59,317 INFO L225 Difference]: With dead ends: 44 [2021-10-28 09:55:59,317 INFO L226 Difference]: Without dead ends: 44 [2021-10-28 09:55:59,318 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:55:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-28 09:55:59,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2021-10-28 09:55:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 09:55:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-10-28 09:55:59,323 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2021-10-28 09:55:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:59,324 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-10-28 09:55:59,324 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, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 09:55:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-10-28 09:55:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:55:59,325 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:59,325 INFO L513 BasicCegarLoop]: trace histogram [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 09:55:59,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:59,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:55:59,526 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:55:59,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2021-10-28 09:55:59,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:55:59,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603620603] [2021-10-28 09:55:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:59,527 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:55:59,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:55:59,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:55:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 09:55:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:59,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:55:59,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:59,848 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 09:55:59,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:55:59,971 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 09:55:59,971 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:55:59,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603620603] [2021-10-28 09:55:59,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603620603] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:59,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:59,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-28 09:55:59,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035796387] [2021-10-28 09:55:59,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:59,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:55:59,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:59,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:59,974 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 09:55:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:59,989 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2021-10-28 09:55:59,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:55:59,989 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2021-10-28 09:55:59,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:59,991 INFO L225 Difference]: With dead ends: 40 [2021-10-28 09:55:59,991 INFO L226 Difference]: Without dead ends: 40 [2021-10-28 09:55:59,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 09:55:59,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-28 09:55:59,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2021-10-28 09:55:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:55:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2021-10-28 09:55:59,998 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2021-10-28 09:55:59,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:59,998 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2021-10-28 09:55:59,998 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-10-28 09:55:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-10-28 09:55:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:56:00,000 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:56:00,000 INFO L513 BasicCegarLoop]: trace histogram [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 09:56:00,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:56:00,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:56:00,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:56:00,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2021-10-28 09:56:00,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:56:00,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36866265] [2021-10-28 09:56:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:00,214 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:56:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:56:00,215 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:56:00,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 09:56:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:00,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:56:00,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:56:00,530 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 09:56:00,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:00,713 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 09:56:00,713 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:56:00,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36866265] [2021-10-28 09:56:00,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36866265] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:56:00,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:56:00,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:56:00,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713462293] [2021-10-28 09:56:00,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:56:00,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:56:00,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:56:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:56:00,722 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:56:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:56:00,763 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2021-10-28 09:56:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:56:00,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2021-10-28 09:56:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:56:00,766 INFO L225 Difference]: With dead ends: 42 [2021-10-28 09:56:00,767 INFO L226 Difference]: Without dead ends: 38 [2021-10-28 09:56:00,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 09:56:00,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-28 09:56:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2021-10-28 09:56:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-28 09:56:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2021-10-28 09:56:00,782 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2021-10-28 09:56:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:56:00,782 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2021-10-28 09:56:00,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 09:56:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2021-10-28 09:56:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:56:00,785 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:56:00,785 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:56:00,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:56:00,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:56:00,999 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 09:56:01,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2021-10-28 09:56:01,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:56:01,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893205921] [2021-10-28 09:56:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:01,001 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:56:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:56:01,002 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:56:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-28 09:56:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:01,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:56:01,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:56:01,417 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 9 treesize of output 7 [2021-10-28 09:56:01,562 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 09:56:01,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:05,859 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))))) is different from false [2021-10-28 09:56:06,007 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_~a9~0.base (_ bv0 1))))) is different from false [2021-10-28 09:56:06,088 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:56:06,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893205921] [2021-10-28 09:56:06,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-28 09:56:06,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1931337369] [2021-10-28 09:56:06,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:06,090 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 09:56:06,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/cvc4 [2021-10-28 09:56:06,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 09:56:06,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-28 09:56:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:06,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 09:56:06,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:56:06,543 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 09:56:06,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-28 09:56:08,899 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 10 treesize of output 8 [2021-10-28 09:56:11,053 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 09:56:11,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:21,515 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_~a9~0.base (_ bv0 1))) (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))))) is different from false [2021-10-28 09:56:21,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_18| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)=(= (select (store |v_old(#valid)_BEFORE_CALL_18| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_2) (select v_prenex_3 v_antiDerIndex_entry0_2))} [2021-10-28 09:56:21,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202738484] [2021-10-28 09:56:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:21,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:56:21,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:56:21,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:56:21,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 09:56:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:56:21,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:56:21,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:56:22,030 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 9 treesize of output 7 [2021-10-28 09:56:22,119 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 09:56:22,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:56:26,386 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_23|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_23| |c_#valid|))) is different from false [2021-10-28 09:56:26,518 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_23| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_93 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_23|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a9~0.base_93)))))))))) (= |v_old(#valid)_BEFORE_CALL_23| (store |c_#valid| c_~a9~0.base (_ bv0 1))))) is different from false [2021-10-28 09:56:26,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_24| v_~a9~0.base_93 (_ bv0 1)) v_prenex_5)=(= (select (store |v_old(#valid)_BEFORE_CALL_24| v_~a9~0.base_93 (_ bv0 1)) v_antiDerIndex_entry0_3) (select v_prenex_5 v_antiDerIndex_entry0_3))} [2021-10-28 09:56:26,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:56:26,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 09:56:26,592 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 09:56:26,593 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 09:56:26,602 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:56:26,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 09:56:26,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 09:56:26,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 09:56:26,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 09:56:26,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,609 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 09:56:26,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 09:56:26,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 09:56:26,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 09:56:26,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 09:56:26,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 09:56:26,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 09:56:26,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 09:56:26,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 09:56:26,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:56:26,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-28 09:56:27,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-10-28 09:56:27,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/cvc4 --incremental --print-success --lang smt [2021-10-28 09:56:27,242 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:56:27,245 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:56:27,249 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-28 09:56:27,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:56:27 BoogieIcfgContainer [2021-10-28 09:56:27,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:56:27,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:56:27,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:56:27,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:56:27,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55" (3/4) ... [2021-10-28 09:56:27,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:56:27,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:56:27,263 INFO L168 Benchmark]: Toolchain (without parser) took 34556.86 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 45.1 MB in the beginning and 36.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:27,264 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:27,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.46 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 32.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:27,265 INFO L168 Benchmark]: Boogie Preprocessor took 152.52 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 32.7 MB in the beginning and 64.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:27,265 INFO L168 Benchmark]: RCFGBuilder took 1544.46 ms. Allocated memory is still 83.9 MB. Free memory was 63.6 MB in the beginning and 40.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:27,266 INFO L168 Benchmark]: TraceAbstraction took 31997.92 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 40.0 MB in the beginning and 36.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:27,266 INFO L168 Benchmark]: Witness Printer took 4.34 ms. Allocated memory is still 102.8 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:27,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 847.46 ms. Allocated memory is still 67.1 MB. Free memory was 45.0 MB in the beginning and 32.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.52 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 32.7 MB in the beginning and 64.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1544.46 ms. Allocated memory is still 83.9 MB. Free memory was 63.6 MB in the beginning and 40.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31997.92 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 40.0 MB in the beginning and 36.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.34 ms. Allocated memory is still 102.8 MB. Free memory is still 36.1 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: 775]: 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 775. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; [L776] CALL entry_point() [L769] CALL, EXPR probe_9() [L759] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] COND TRUE \read(*a9) [L761] return 0; [L769] RET, EXPR probe_9() [L769] int ret = probe_9(); [L770] COND TRUE ret==0 [L771] CALL disconnect_9() [L766] free(a9) [L766] free(a9) [L766] free(a9) [L771] RET disconnect_9() [L773] a9 = 0 [L776] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 100 SDslu, 367 SDs, 0 SdLazy, 175 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 273 ConstructedInterpolants, 4 QuantifiedInterpolants, 965 SizeOfPredicates, 2 NumberOfNonLiveVariables, 670 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 09:56:27,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea80d9d-091d-491b-b044-f2975dc9d0a8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...